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-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/boot/dts/p1020rdb.dts12
-rw-r--r--arch/powerpc/boot/dts/p2020rdb.dts12
-rw-r--r--arch/powerpc/boot/dts/p2020rdb_camp_core0.dts4
-rw-r--r--arch/powerpc/boot/dts/p2020rdb_camp_core1.dts10
-rw-r--r--arch/powerpc/configs/44x/warp_defconfig1
-rw-r--r--arch/powerpc/configs/52xx/motionpro_defconfig1
-rw-r--r--arch/powerpc/configs/86xx/gef_ppc9a_defconfig1
-rw-r--r--arch/powerpc/configs/86xx/gef_sbc310_defconfig1
-rw-r--r--arch/powerpc/configs/86xx/gef_sbc610_defconfig1
-rw-r--r--arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig1
-rw-r--r--arch/powerpc/configs/e55xx_smp_defconfig1
-rw-r--r--arch/powerpc/configs/linkstation_defconfig1
-rw-r--r--arch/powerpc/configs/mpc512x_defconfig1
-rw-r--r--arch/powerpc/configs/mpc5200_defconfig1
-rw-r--r--arch/powerpc/configs/mpc85xx_defconfig1
-rw-r--r--arch/powerpc/configs/mpc85xx_smp_defconfig1
-rw-r--r--arch/powerpc/configs/mpc86xx_defconfig1
-rw-r--r--arch/powerpc/configs/pasemi_defconfig1
-rw-r--r--arch/powerpc/configs/ppc6xx_defconfig1
-rw-r--r--arch/powerpc/configs/pseries_defconfig3
-rw-r--r--arch/powerpc/include/asm/dma-mapping.h6
-rw-r--r--arch/powerpc/include/asm/machdep.h3
-rw-r--r--arch/powerpc/include/asm/mmu-hash64.h2
-rw-r--r--arch/powerpc/include/asm/page.h2
-rw-r--r--arch/powerpc/include/asm/qe_ic.h16
-rw-r--r--arch/powerpc/include/asm/reg_booke.h2
-rw-r--r--arch/powerpc/include/asm/smp.h5
-rw-r--r--arch/powerpc/include/asm/systbl.h4
-rw-r--r--arch/powerpc/include/asm/unistd.h6
-rw-r--r--arch/powerpc/kernel/crash.c6
-rw-r--r--arch/powerpc/kernel/dma.c18
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S28
-rw-r--r--arch/powerpc/kernel/head_32.S9
-rw-r--r--arch/powerpc/kernel/head_64.S7
-rw-r--r--arch/powerpc/kernel/idle_power4.S21
-rw-r--r--arch/powerpc/kernel/irq.c3
-rw-r--r--arch/powerpc/kernel/paca.c2
-rw-r--r--arch/powerpc/kernel/setup-common.c3
-rw-r--r--arch/powerpc/kernel/smp.c153
-rw-r--r--arch/powerpc/kernel/time.c17
-rw-r--r--arch/powerpc/mm/dma-noncoherent.c20
-rw-r--r--arch/powerpc/mm/tlb_low_64e.S2
-rw-r--r--arch/powerpc/platforms/Kconfig2
-rw-r--r--arch/powerpc/platforms/cell/interrupt.c2
-rw-r--r--arch/powerpc/platforms/powermac/pmac.h1
-rw-r--r--arch/powerpc/platforms/powermac/setup.c56
-rw-r--r--arch/powerpc/platforms/powermac/smp.c154
-rw-r--r--arch/powerpc/platforms/pseries/nvram.c24
-rw-r--r--arch/powerpc/platforms/pseries/offline_states.h2
-rw-r--r--arch/powerpc/platforms/pseries/setup.c2
-rw-r--r--arch/powerpc/platforms/pseries/smp.c21
-rw-r--r--arch/powerpc/platforms/pseries/xics.c71
-rw-r--r--arch/powerpc/sysdev/mpc8xx_pic.c2
54 files changed, 439 insertions, 290 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index d0e8a1dbf822..b6ff882f695b 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -138,7 +138,6 @@ config PPC
138 select HAVE_GENERIC_HARDIRQS 138 select HAVE_GENERIC_HARDIRQS
139 select HAVE_SPARSE_IRQ 139 select HAVE_SPARSE_IRQ
140 select IRQ_PER_CPU 140 select IRQ_PER_CPU
141 select GENERIC_HARDIRQS_NO_DEPRECATED
142 select GENERIC_IRQ_SHOW 141 select GENERIC_IRQ_SHOW
143 select GENERIC_IRQ_SHOW_LEVEL 142 select GENERIC_IRQ_SHOW_LEVEL
144 143
diff --git a/arch/powerpc/boot/dts/p1020rdb.dts b/arch/powerpc/boot/dts/p1020rdb.dts
index 22f64b62d7f6..e0668f877794 100644
--- a/arch/powerpc/boot/dts/p1020rdb.dts
+++ b/arch/powerpc/boot/dts/p1020rdb.dts
@@ -1,7 +1,7 @@
1/* 1/*
2 * P1020 RDB Device Tree Source 2 * P1020 RDB Device Tree Source
3 * 3 *
4 * Copyright 2009 Freescale Semiconductor Inc. 4 * Copyright 2009-2011 Freescale Semiconductor Inc.
5 * 5 *
6 * This program is free software; you can redistribute it and/or modify it 6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the 7 * under the terms of the GNU General Public License as published by the
@@ -553,7 +553,7 @@
553 reg = <0 0xffe09000 0 0x1000>; 553 reg = <0 0xffe09000 0 0x1000>;
554 bus-range = <0 255>; 554 bus-range = <0 255>;
555 ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000 555 ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000
556 0x1000000 0x0 0x00000000 0 0xffc30000 0x0 0x10000>; 556 0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>;
557 clock-frequency = <33333333>; 557 clock-frequency = <33333333>;
558 interrupt-parent = <&mpic>; 558 interrupt-parent = <&mpic>;
559 interrupts = <16 2>; 559 interrupts = <16 2>;
@@ -580,8 +580,8 @@
580 #address-cells = <3>; 580 #address-cells = <3>;
581 reg = <0 0xffe0a000 0 0x1000>; 581 reg = <0 0xffe0a000 0 0x1000>;
582 bus-range = <0 255>; 582 bus-range = <0 255>;
583 ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000 583 ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000
584 0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>; 584 0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>;
585 clock-frequency = <33333333>; 585 clock-frequency = <33333333>;
586 interrupt-parent = <&mpic>; 586 interrupt-parent = <&mpic>;
587 interrupts = <16 2>; 587 interrupts = <16 2>;
@@ -590,8 +590,8 @@
590 #size-cells = <2>; 590 #size-cells = <2>;
591 #address-cells = <3>; 591 #address-cells = <3>;
592 device_type = "pci"; 592 device_type = "pci";
593 ranges = <0x2000000 0x0 0xc0000000 593 ranges = <0x2000000 0x0 0x80000000
594 0x2000000 0x0 0xc0000000 594 0x2000000 0x0 0x80000000
595 0x0 0x20000000 595 0x0 0x20000000
596 596
597 0x1000000 0x0 0x0 597 0x1000000 0x0 0x0
diff --git a/arch/powerpc/boot/dts/p2020rdb.dts b/arch/powerpc/boot/dts/p2020rdb.dts
index da4cb0d8d215..e2d48fd4416e 100644
--- a/arch/powerpc/boot/dts/p2020rdb.dts
+++ b/arch/powerpc/boot/dts/p2020rdb.dts
@@ -1,7 +1,7 @@
1/* 1/*
2 * P2020 RDB Device Tree Source 2 * P2020 RDB Device Tree Source
3 * 3 *
4 * Copyright 2009 Freescale Semiconductor Inc. 4 * Copyright 2009-2011 Freescale Semiconductor Inc.
5 * 5 *
6 * This program is free software; you can redistribute it and/or modify it 6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the 7 * under the terms of the GNU General Public License as published by the
@@ -537,7 +537,7 @@
537 reg = <0 0xffe09000 0 0x1000>; 537 reg = <0 0xffe09000 0 0x1000>;
538 bus-range = <0 255>; 538 bus-range = <0 255>;
539 ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000 539 ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000
540 0x1000000 0x0 0x00000000 0 0xffc30000 0x0 0x10000>; 540 0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>;
541 clock-frequency = <33333333>; 541 clock-frequency = <33333333>;
542 interrupt-parent = <&mpic>; 542 interrupt-parent = <&mpic>;
543 interrupts = <25 2>; 543 interrupts = <25 2>;
@@ -564,8 +564,8 @@
564 #address-cells = <3>; 564 #address-cells = <3>;
565 reg = <0 0xffe0a000 0 0x1000>; 565 reg = <0 0xffe0a000 0 0x1000>;
566 bus-range = <0 255>; 566 bus-range = <0 255>;
567 ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000 567 ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000
568 0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>; 568 0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>;
569 clock-frequency = <33333333>; 569 clock-frequency = <33333333>;
570 interrupt-parent = <&mpic>; 570 interrupt-parent = <&mpic>;
571 interrupts = <26 2>; 571 interrupts = <26 2>;
@@ -574,8 +574,8 @@
574 #size-cells = <2>; 574 #size-cells = <2>;
575 #address-cells = <3>; 575 #address-cells = <3>;
576 device_type = "pci"; 576 device_type = "pci";
577 ranges = <0x2000000 0x0 0xc0000000 577 ranges = <0x2000000 0x0 0x80000000
578 0x2000000 0x0 0xc0000000 578 0x2000000 0x0 0x80000000
579 0x0 0x20000000 579 0x0 0x20000000
580 580
581 0x1000000 0x0 0x0 581 0x1000000 0x0 0x0
diff --git a/arch/powerpc/boot/dts/p2020rdb_camp_core0.dts b/arch/powerpc/boot/dts/p2020rdb_camp_core0.dts
index 0fe93d0c8b2e..b69c3a5dc858 100644
--- a/arch/powerpc/boot/dts/p2020rdb_camp_core0.dts
+++ b/arch/powerpc/boot/dts/p2020rdb_camp_core0.dts
@@ -6,7 +6,7 @@
6 * This dts file allows core0 to have memory, l2, i2c, spi, gpio, dma1, usb, 6 * This dts file allows core0 to have memory, l2, i2c, spi, gpio, dma1, usb,
7 * eth1, eth2, sdhc, crypto, global-util, pci0. 7 * eth1, eth2, sdhc, crypto, global-util, pci0.
8 * 8 *
9 * Copyright 2009 Freescale Semiconductor Inc. 9 * Copyright 2009-2011 Freescale Semiconductor Inc.
10 * 10 *
11 * This program is free software; you can redistribute it and/or modify it 11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the 12 * under the terms of the GNU General Public License as published by the
@@ -342,7 +342,7 @@
342 reg = <0 0xffe09000 0 0x1000>; 342 reg = <0 0xffe09000 0 0x1000>;
343 bus-range = <0 255>; 343 bus-range = <0 255>;
344 ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000 344 ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000
345 0x1000000 0x0 0x00000000 0 0xffc30000 0x0 0x10000>; 345 0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>;
346 clock-frequency = <33333333>; 346 clock-frequency = <33333333>;
347 interrupt-parent = <&mpic>; 347 interrupt-parent = <&mpic>;
348 interrupts = <25 2>; 348 interrupts = <25 2>;
diff --git a/arch/powerpc/boot/dts/p2020rdb_camp_core1.dts b/arch/powerpc/boot/dts/p2020rdb_camp_core1.dts
index e95a51285328..7a31d46c01b0 100644
--- a/arch/powerpc/boot/dts/p2020rdb_camp_core1.dts
+++ b/arch/powerpc/boot/dts/p2020rdb_camp_core1.dts
@@ -7,7 +7,7 @@
7 * 7 *
8 * Please note to add "-b 1" for core1's dts compiling. 8 * Please note to add "-b 1" for core1's dts compiling.
9 * 9 *
10 * Copyright 2009 Freescale Semiconductor Inc. 10 * Copyright 2009-2011 Freescale Semiconductor Inc.
11 * 11 *
12 * This program is free software; you can redistribute it and/or modify it 12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the 13 * under the terms of the GNU General Public License as published by the
@@ -162,8 +162,8 @@
162 #address-cells = <3>; 162 #address-cells = <3>;
163 reg = <0 0xffe0a000 0 0x1000>; 163 reg = <0 0xffe0a000 0 0x1000>;
164 bus-range = <0 255>; 164 bus-range = <0 255>;
165 ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000 165 ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000
166 0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x10000>; 166 0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>;
167 clock-frequency = <33333333>; 167 clock-frequency = <33333333>;
168 interrupt-parent = <&mpic>; 168 interrupt-parent = <&mpic>;
169 interrupts = <26 2>; 169 interrupts = <26 2>;
@@ -172,8 +172,8 @@
172 #size-cells = <2>; 172 #size-cells = <2>;
173 #address-cells = <3>; 173 #address-cells = <3>;
174 device_type = "pci"; 174 device_type = "pci";
175 ranges = <0x2000000 0x0 0xc0000000 175 ranges = <0x2000000 0x0 0x80000000
176 0x2000000 0x0 0xc0000000 176 0x2000000 0x0 0x80000000
177 0x0 0x20000000 177 0x0 0x20000000
178 178
179 0x1000000 0x0 0x0 179 0x1000000 0x0 0x0
diff --git a/arch/powerpc/configs/44x/warp_defconfig b/arch/powerpc/configs/44x/warp_defconfig
index 6cf9d6614805..abf74dc1f79c 100644
--- a/arch/powerpc/configs/44x/warp_defconfig
+++ b/arch/powerpc/configs/44x/warp_defconfig
@@ -47,6 +47,7 @@ CONFIG_MTD_NAND_NDFC=y
47CONFIG_MTD_UBI=y 47CONFIG_MTD_UBI=y
48CONFIG_PROC_DEVICETREE=y 48CONFIG_PROC_DEVICETREE=y
49CONFIG_BLK_DEV_RAM=y 49CONFIG_BLK_DEV_RAM=y
50CONFIG_MISC_DEVICES=y
50CONFIG_EEPROM_AT24=y 51CONFIG_EEPROM_AT24=y
51CONFIG_SCSI=y 52CONFIG_SCSI=y
52CONFIG_BLK_DEV_SD=y 53CONFIG_BLK_DEV_SD=y
diff --git a/arch/powerpc/configs/52xx/motionpro_defconfig b/arch/powerpc/configs/52xx/motionpro_defconfig
index 6828eda02bdc..0c7de9620ea6 100644
--- a/arch/powerpc/configs/52xx/motionpro_defconfig
+++ b/arch/powerpc/configs/52xx/motionpro_defconfig
@@ -43,6 +43,7 @@ CONFIG_PROC_DEVICETREE=y
43CONFIG_BLK_DEV_LOOP=y 43CONFIG_BLK_DEV_LOOP=y
44CONFIG_BLK_DEV_RAM=y 44CONFIG_BLK_DEV_RAM=y
45CONFIG_BLK_DEV_RAM_SIZE=32768 45CONFIG_BLK_DEV_RAM_SIZE=32768
46CONFIG_MISC_DEVICES=y
46CONFIG_EEPROM_LEGACY=y 47CONFIG_EEPROM_LEGACY=y
47CONFIG_SCSI_TGT=y 48CONFIG_SCSI_TGT=y
48CONFIG_BLK_DEV_SD=y 49CONFIG_BLK_DEV_SD=y
diff --git a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig
index 4b2441244eab..d41857a5152d 100644
--- a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig
+++ b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig
@@ -85,6 +85,7 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m
85CONFIG_BLK_DEV_NBD=m 85CONFIG_BLK_DEV_NBD=m
86CONFIG_BLK_DEV_RAM=y 86CONFIG_BLK_DEV_RAM=y
87CONFIG_BLK_DEV_RAM_SIZE=131072 87CONFIG_BLK_DEV_RAM_SIZE=131072
88CONFIG_MISC_DEVICES=y
88CONFIG_DS1682=y 89CONFIG_DS1682=y
89CONFIG_IDE=y 90CONFIG_IDE=y
90CONFIG_BLK_DEV_IDECS=y 91CONFIG_BLK_DEV_IDECS=y
diff --git a/arch/powerpc/configs/86xx/gef_sbc310_defconfig b/arch/powerpc/configs/86xx/gef_sbc310_defconfig
index a360ba44b928..38303ec11bcd 100644
--- a/arch/powerpc/configs/86xx/gef_sbc310_defconfig
+++ b/arch/powerpc/configs/86xx/gef_sbc310_defconfig
@@ -85,6 +85,7 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m
85CONFIG_BLK_DEV_NBD=m 85CONFIG_BLK_DEV_NBD=m
86CONFIG_BLK_DEV_RAM=y 86CONFIG_BLK_DEV_RAM=y
87CONFIG_BLK_DEV_RAM_SIZE=131072 87CONFIG_BLK_DEV_RAM_SIZE=131072
88CONFIG_MISC_DEVICES=y
88CONFIG_DS1682=y 89CONFIG_DS1682=y
89CONFIG_IDE=y 90CONFIG_IDE=y
90CONFIG_BLK_DEV_IDECS=y 91CONFIG_BLK_DEV_IDECS=y
diff --git a/arch/powerpc/configs/86xx/gef_sbc610_defconfig b/arch/powerpc/configs/86xx/gef_sbc610_defconfig
index be2829dd129f..98533973d20f 100644
--- a/arch/powerpc/configs/86xx/gef_sbc610_defconfig
+++ b/arch/powerpc/configs/86xx/gef_sbc610_defconfig
@@ -138,6 +138,7 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m
138CONFIG_BLK_DEV_NBD=m 138CONFIG_BLK_DEV_NBD=m
139CONFIG_BLK_DEV_RAM=y 139CONFIG_BLK_DEV_RAM=y
140CONFIG_BLK_DEV_RAM_SIZE=131072 140CONFIG_BLK_DEV_RAM_SIZE=131072
141CONFIG_MISC_DEVICES=y
141CONFIG_DS1682=y 142CONFIG_DS1682=y
142CONFIG_BLK_DEV_SD=y 143CONFIG_BLK_DEV_SD=y
143CONFIG_CHR_DEV_ST=y 144CONFIG_CHR_DEV_ST=y
diff --git a/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig b/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig
index 0c9c7ed7ec75..b614508d6fd2 100644
--- a/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig
+++ b/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig
@@ -63,6 +63,7 @@ CONFIG_BLK_DEV_LOOP=y
63CONFIG_BLK_DEV_NBD=y 63CONFIG_BLK_DEV_NBD=y
64CONFIG_BLK_DEV_RAM=y 64CONFIG_BLK_DEV_RAM=y
65CONFIG_BLK_DEV_RAM_SIZE=131072 65CONFIG_BLK_DEV_RAM_SIZE=131072
66CONFIG_MISC_DEVICES=y
66CONFIG_EEPROM_LEGACY=y 67CONFIG_EEPROM_LEGACY=y
67CONFIG_BLK_DEV_SD=y 68CONFIG_BLK_DEV_SD=y
68CONFIG_CHR_DEV_ST=y 69CONFIG_CHR_DEV_ST=y
diff --git a/arch/powerpc/configs/e55xx_smp_defconfig b/arch/powerpc/configs/e55xx_smp_defconfig
index 06f95492afc7..9fa1613e5e2b 100644
--- a/arch/powerpc/configs/e55xx_smp_defconfig
+++ b/arch/powerpc/configs/e55xx_smp_defconfig
@@ -32,6 +32,7 @@ CONFIG_PROC_DEVICETREE=y
32CONFIG_BLK_DEV_LOOP=y 32CONFIG_BLK_DEV_LOOP=y
33CONFIG_BLK_DEV_RAM=y 33CONFIG_BLK_DEV_RAM=y
34CONFIG_BLK_DEV_RAM_SIZE=131072 34CONFIG_BLK_DEV_RAM_SIZE=131072
35CONFIG_MISC_DEVICES=y
35CONFIG_EEPROM_LEGACY=y 36CONFIG_EEPROM_LEGACY=y
36CONFIG_INPUT_FF_MEMLESS=m 37CONFIG_INPUT_FF_MEMLESS=m
37# CONFIG_INPUT_MOUSEDEV is not set 38# CONFIG_INPUT_MOUSEDEV is not set
diff --git a/arch/powerpc/configs/linkstation_defconfig b/arch/powerpc/configs/linkstation_defconfig
index f39d0cf876dd..8a874b999867 100644
--- a/arch/powerpc/configs/linkstation_defconfig
+++ b/arch/powerpc/configs/linkstation_defconfig
@@ -78,6 +78,7 @@ CONFIG_BLK_DEV_LOOP=y
78CONFIG_BLK_DEV_RAM=y 78CONFIG_BLK_DEV_RAM=y
79CONFIG_BLK_DEV_RAM_COUNT=2 79CONFIG_BLK_DEV_RAM_COUNT=2
80CONFIG_BLK_DEV_RAM_SIZE=8192 80CONFIG_BLK_DEV_RAM_SIZE=8192
81CONFIG_MISC_DEVICES=y
81CONFIG_EEPROM_LEGACY=m 82CONFIG_EEPROM_LEGACY=m
82CONFIG_BLK_DEV_SD=y 83CONFIG_BLK_DEV_SD=y
83CONFIG_CHR_DEV_SG=y 84CONFIG_CHR_DEV_SG=y
diff --git a/arch/powerpc/configs/mpc512x_defconfig b/arch/powerpc/configs/mpc512x_defconfig
index 62db8a3df162..c02bbb2fddf8 100644
--- a/arch/powerpc/configs/mpc512x_defconfig
+++ b/arch/powerpc/configs/mpc512x_defconfig
@@ -61,6 +61,7 @@ CONFIG_BLK_DEV_RAM=y
61CONFIG_BLK_DEV_RAM_COUNT=1 61CONFIG_BLK_DEV_RAM_COUNT=1
62CONFIG_BLK_DEV_RAM_SIZE=8192 62CONFIG_BLK_DEV_RAM_SIZE=8192
63CONFIG_BLK_DEV_XIP=y 63CONFIG_BLK_DEV_XIP=y
64CONFIG_MISC_DEVICES=y
64CONFIG_EEPROM_AT24=y 65CONFIG_EEPROM_AT24=y
65CONFIG_SCSI=y 66CONFIG_SCSI=y
66# CONFIG_SCSI_PROC_FS is not set 67# CONFIG_SCSI_PROC_FS is not set
diff --git a/arch/powerpc/configs/mpc5200_defconfig b/arch/powerpc/configs/mpc5200_defconfig
index 7376e27b8ed4..e63f537b854a 100644
--- a/arch/powerpc/configs/mpc5200_defconfig
+++ b/arch/powerpc/configs/mpc5200_defconfig
@@ -52,6 +52,7 @@ CONFIG_PROC_DEVICETREE=y
52CONFIG_BLK_DEV_LOOP=y 52CONFIG_BLK_DEV_LOOP=y
53CONFIG_BLK_DEV_RAM=y 53CONFIG_BLK_DEV_RAM=y
54CONFIG_BLK_DEV_RAM_SIZE=32768 54CONFIG_BLK_DEV_RAM_SIZE=32768
55CONFIG_MISC_DEVICES=y
55CONFIG_EEPROM_AT24=y 56CONFIG_EEPROM_AT24=y
56CONFIG_SCSI_TGT=y 57CONFIG_SCSI_TGT=y
57CONFIG_BLK_DEV_SD=y 58CONFIG_BLK_DEV_SD=y
diff --git a/arch/powerpc/configs/mpc85xx_defconfig b/arch/powerpc/configs/mpc85xx_defconfig
index 99a19d1e9bf8..c06a86c33098 100644
--- a/arch/powerpc/configs/mpc85xx_defconfig
+++ b/arch/powerpc/configs/mpc85xx_defconfig
@@ -82,6 +82,7 @@ CONFIG_BLK_DEV_LOOP=y
82CONFIG_BLK_DEV_NBD=y 82CONFIG_BLK_DEV_NBD=y
83CONFIG_BLK_DEV_RAM=y 83CONFIG_BLK_DEV_RAM=y
84CONFIG_BLK_DEV_RAM_SIZE=131072 84CONFIG_BLK_DEV_RAM_SIZE=131072
85CONFIG_MISC_DEVICES=y
85CONFIG_EEPROM_LEGACY=y 86CONFIG_EEPROM_LEGACY=y
86CONFIG_BLK_DEV_SD=y 87CONFIG_BLK_DEV_SD=y
87CONFIG_CHR_DEV_ST=y 88CONFIG_CHR_DEV_ST=y
diff --git a/arch/powerpc/configs/mpc85xx_smp_defconfig b/arch/powerpc/configs/mpc85xx_smp_defconfig
index c636f23f8c92..942ced90557c 100644
--- a/arch/powerpc/configs/mpc85xx_smp_defconfig
+++ b/arch/powerpc/configs/mpc85xx_smp_defconfig
@@ -84,6 +84,7 @@ CONFIG_BLK_DEV_LOOP=y
84CONFIG_BLK_DEV_NBD=y 84CONFIG_BLK_DEV_NBD=y
85CONFIG_BLK_DEV_RAM=y 85CONFIG_BLK_DEV_RAM=y
86CONFIG_BLK_DEV_RAM_SIZE=131072 86CONFIG_BLK_DEV_RAM_SIZE=131072
87CONFIG_MISC_DEVICES=y
87CONFIG_EEPROM_LEGACY=y 88CONFIG_EEPROM_LEGACY=y
88CONFIG_BLK_DEV_SD=y 89CONFIG_BLK_DEV_SD=y
89CONFIG_CHR_DEV_ST=y 90CONFIG_CHR_DEV_ST=y
diff --git a/arch/powerpc/configs/mpc86xx_defconfig b/arch/powerpc/configs/mpc86xx_defconfig
index 55b54318fef6..038a308cbfc4 100644
--- a/arch/powerpc/configs/mpc86xx_defconfig
+++ b/arch/powerpc/configs/mpc86xx_defconfig
@@ -66,6 +66,7 @@ CONFIG_BLK_DEV_LOOP=y
66CONFIG_BLK_DEV_NBD=y 66CONFIG_BLK_DEV_NBD=y
67CONFIG_BLK_DEV_RAM=y 67CONFIG_BLK_DEV_RAM=y
68CONFIG_BLK_DEV_RAM_SIZE=131072 68CONFIG_BLK_DEV_RAM_SIZE=131072
69CONFIG_MISC_DEVICES=y
69CONFIG_EEPROM_LEGACY=y 70CONFIG_EEPROM_LEGACY=y
70CONFIG_BLK_DEV_SD=y 71CONFIG_BLK_DEV_SD=y
71CONFIG_CHR_DEV_ST=y 72CONFIG_CHR_DEV_ST=y
diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig
index edd2d54c8196..f4deb0b78cf0 100644
--- a/arch/powerpc/configs/pasemi_defconfig
+++ b/arch/powerpc/configs/pasemi_defconfig
@@ -59,6 +59,7 @@ CONFIG_PROC_DEVICETREE=y
59CONFIG_BLK_DEV_LOOP=y 59CONFIG_BLK_DEV_LOOP=y
60CONFIG_BLK_DEV_RAM=y 60CONFIG_BLK_DEV_RAM=y
61CONFIG_BLK_DEV_RAM_SIZE=16384 61CONFIG_BLK_DEV_RAM_SIZE=16384
62CONFIG_MISC_DEVICES=y
62CONFIG_EEPROM_LEGACY=y 63CONFIG_EEPROM_LEGACY=y
63CONFIG_IDE=y 64CONFIG_IDE=y
64CONFIG_BLK_DEV_IDECD=y 65CONFIG_BLK_DEV_IDECD=y
diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig
index 9d64a6822d86..0a10fb009ef7 100644
--- a/arch/powerpc/configs/ppc6xx_defconfig
+++ b/arch/powerpc/configs/ppc6xx_defconfig
@@ -398,6 +398,7 @@ CONFIG_BLK_DEV_RAM_SIZE=16384
398CONFIG_CDROM_PKTCDVD=m 398CONFIG_CDROM_PKTCDVD=m
399CONFIG_VIRTIO_BLK=m 399CONFIG_VIRTIO_BLK=m
400CONFIG_BLK_DEV_HD=y 400CONFIG_BLK_DEV_HD=y
401CONFIG_MISC_DEVICES=y
401CONFIG_ENCLOSURE_SERVICES=m 402CONFIG_ENCLOSURE_SERVICES=m
402CONFIG_SENSORS_TSL2550=m 403CONFIG_SENSORS_TSL2550=m
403CONFIG_EEPROM_AT24=m 404CONFIG_EEPROM_AT24=m
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 9c3f22c6cde1..249ddd0a27cd 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -189,6 +189,7 @@ CONFIG_TIGON3=y
189CONFIG_BNX2=m 189CONFIG_BNX2=m
190CONFIG_CHELSIO_T1=m 190CONFIG_CHELSIO_T1=m
191CONFIG_CHELSIO_T3=m 191CONFIG_CHELSIO_T3=m
192CONFIG_CHELSIO_T4=m
192CONFIG_EHEA=y 193CONFIG_EHEA=y
193CONFIG_IXGBE=m 194CONFIG_IXGBE=m
194CONFIG_IXGB=m 195CONFIG_IXGB=m
@@ -255,6 +256,8 @@ CONFIG_INFINIBAND_USER_MAD=m
255CONFIG_INFINIBAND_USER_ACCESS=m 256CONFIG_INFINIBAND_USER_ACCESS=m
256CONFIG_INFINIBAND_MTHCA=m 257CONFIG_INFINIBAND_MTHCA=m
257CONFIG_INFINIBAND_EHCA=m 258CONFIG_INFINIBAND_EHCA=m
259CONFIG_INFINIBAND_CXGB3=m
260CONFIG_INFINIBAND_CXGB4=m
258CONFIG_MLX4_INFINIBAND=m 261CONFIG_MLX4_INFINIBAND=m
259CONFIG_INFINIBAND_IPOIB=m 262CONFIG_INFINIBAND_IPOIB=m
260CONFIG_INFINIBAND_IPOIB_CM=y 263CONFIG_INFINIBAND_IPOIB_CM=y
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 6d2416a85709..dd70fac57ec8 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -42,6 +42,7 @@ extern void __dma_free_coherent(size_t size, void *vaddr);
42extern void __dma_sync(void *vaddr, size_t size, int direction); 42extern void __dma_sync(void *vaddr, size_t size, int direction);
43extern void __dma_sync_page(struct page *page, unsigned long offset, 43extern void __dma_sync_page(struct page *page, unsigned long offset,
44 size_t size, int direction); 44 size_t size, int direction);
45extern unsigned long __dma_get_coherent_pfn(unsigned long cpu_addr);
45 46
46#else /* ! CONFIG_NOT_COHERENT_CACHE */ 47#else /* ! CONFIG_NOT_COHERENT_CACHE */
47/* 48/*
@@ -198,6 +199,11 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
198#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) 199#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
199#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) 200#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
200 201
202extern int dma_mmap_coherent(struct device *, struct vm_area_struct *,
203 void *, dma_addr_t, size_t);
204#define ARCH_HAS_DMA_MMAP_COHERENT
205
206
201static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, 207static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
202 enum dma_data_direction direction) 208 enum dma_data_direction direction)
203{ 209{
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index fe56a23e1ff0..e4f01915fbb0 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -35,9 +35,9 @@ struct smp_ops_t {
35 int (*probe)(void); 35 int (*probe)(void);
36 void (*kick_cpu)(int nr); 36 void (*kick_cpu)(int nr);
37 void (*setup_cpu)(int nr); 37 void (*setup_cpu)(int nr);
38 void (*bringup_done)(void);
38 void (*take_timebase)(void); 39 void (*take_timebase)(void);
39 void (*give_timebase)(void); 40 void (*give_timebase)(void);
40 int (*cpu_enable)(unsigned int nr);
41 int (*cpu_disable)(void); 41 int (*cpu_disable)(void);
42 void (*cpu_die)(unsigned int nr); 42 void (*cpu_die)(unsigned int nr);
43 int (*cpu_bootable)(unsigned int nr); 43 int (*cpu_bootable)(unsigned int nr);
@@ -267,7 +267,6 @@ struct machdep_calls {
267 267
268extern void e500_idle(void); 268extern void e500_idle(void);
269extern void power4_idle(void); 269extern void power4_idle(void);
270extern void power4_cpu_offline_powersave(void);
271extern void ppc6xx_idle(void); 270extern void ppc6xx_idle(void);
272extern void book3e_idle(void); 271extern void book3e_idle(void);
273 272
diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h
index acac35d5b382..ae7b3efec8e5 100644
--- a/arch/powerpc/include/asm/mmu-hash64.h
+++ b/arch/powerpc/include/asm/mmu-hash64.h
@@ -27,7 +27,7 @@
27#define STE_VSID_SHIFT 12 27#define STE_VSID_SHIFT 12
28 28
29/* Location of cpu0's segment table */ 29/* Location of cpu0's segment table */
30#define STAB0_PAGE 0x6 30#define STAB0_PAGE 0x8
31#define STAB0_OFFSET (STAB0_PAGE << 12) 31#define STAB0_OFFSET (STAB0_PAGE << 12)
32#define STAB0_PHYS_ADDR (STAB0_OFFSET + PHYSICAL_START) 32#define STAB0_PHYS_ADDR (STAB0_OFFSET + PHYSICAL_START)
33 33
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index da4b20008541..2cd664ef0a5e 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -100,7 +100,7 @@ extern phys_addr_t kernstart_addr;
100#endif 100#endif
101 101
102#ifdef CONFIG_FLATMEM 102#ifdef CONFIG_FLATMEM
103#define ARCH_PFN_OFFSET (MEMORY_START >> PAGE_SHIFT) 103#define ARCH_PFN_OFFSET ((unsigned long)(MEMORY_START >> PAGE_SHIFT))
104#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr) 104#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr)
105#endif 105#endif
106 106
diff --git a/arch/powerpc/include/asm/qe_ic.h b/arch/powerpc/include/asm/qe_ic.h
index 9e2cb2019161..f706164b0bd0 100644
--- a/arch/powerpc/include/asm/qe_ic.h
+++ b/arch/powerpc/include/asm/qe_ic.h
@@ -81,7 +81,7 @@ int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high);
81static inline void qe_ic_cascade_low_ipic(unsigned int irq, 81static inline void qe_ic_cascade_low_ipic(unsigned int irq,
82 struct irq_desc *desc) 82 struct irq_desc *desc)
83{ 83{
84 struct qe_ic *qe_ic = get_irq_desc_data(desc); 84 struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
85 unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic); 85 unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
86 86
87 if (cascade_irq != NO_IRQ) 87 if (cascade_irq != NO_IRQ)
@@ -91,7 +91,7 @@ static inline void qe_ic_cascade_low_ipic(unsigned int irq,
91static inline void qe_ic_cascade_high_ipic(unsigned int irq, 91static inline void qe_ic_cascade_high_ipic(unsigned int irq,
92 struct irq_desc *desc) 92 struct irq_desc *desc)
93{ 93{
94 struct qe_ic *qe_ic = get_irq_desc_data(desc); 94 struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
95 unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic); 95 unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
96 96
97 if (cascade_irq != NO_IRQ) 97 if (cascade_irq != NO_IRQ)
@@ -101,9 +101,9 @@ static inline void qe_ic_cascade_high_ipic(unsigned int irq,
101static inline void qe_ic_cascade_low_mpic(unsigned int irq, 101static inline void qe_ic_cascade_low_mpic(unsigned int irq,
102 struct irq_desc *desc) 102 struct irq_desc *desc)
103{ 103{
104 struct qe_ic *qe_ic = get_irq_desc_data(desc); 104 struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
105 unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic); 105 unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
106 struct irq_chip *chip = get_irq_desc_chip(desc); 106 struct irq_chip *chip = irq_desc_get_chip(desc);
107 107
108 if (cascade_irq != NO_IRQ) 108 if (cascade_irq != NO_IRQ)
109 generic_handle_irq(cascade_irq); 109 generic_handle_irq(cascade_irq);
@@ -114,9 +114,9 @@ static inline void qe_ic_cascade_low_mpic(unsigned int irq,
114static inline void qe_ic_cascade_high_mpic(unsigned int irq, 114static inline void qe_ic_cascade_high_mpic(unsigned int irq,
115 struct irq_desc *desc) 115 struct irq_desc *desc)
116{ 116{
117 struct qe_ic *qe_ic = get_irq_desc_data(desc); 117 struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
118 unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic); 118 unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
119 struct irq_chip *chip = get_irq_desc_chip(desc); 119 struct irq_chip *chip = irq_desc_get_chip(desc);
120 120
121 if (cascade_irq != NO_IRQ) 121 if (cascade_irq != NO_IRQ)
122 generic_handle_irq(cascade_irq); 122 generic_handle_irq(cascade_irq);
@@ -127,9 +127,9 @@ static inline void qe_ic_cascade_high_mpic(unsigned int irq,
127static inline void qe_ic_cascade_muxed_mpic(unsigned int irq, 127static inline void qe_ic_cascade_muxed_mpic(unsigned int irq,
128 struct irq_desc *desc) 128 struct irq_desc *desc)
129{ 129{
130 struct qe_ic *qe_ic = get_irq_desc_data(desc); 130 struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
131 unsigned int cascade_irq; 131 unsigned int cascade_irq;
132 struct irq_chip *chip = get_irq_desc_chip(desc); 132 struct irq_chip *chip = irq_desc_get_chip(desc);
133 133
134 cascade_irq = qe_ic_get_high_irq(qe_ic); 134 cascade_irq = qe_ic_get_high_irq(qe_ic);
135 if (cascade_irq == NO_IRQ) 135 if (cascade_irq == NO_IRQ)
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 86ad8128963a..3b1a9b707362 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -110,7 +110,7 @@
110#define SPRN_MAS2 0x272 /* MMU Assist Register 2 */ 110#define SPRN_MAS2 0x272 /* MMU Assist Register 2 */
111#define SPRN_MAS3 0x273 /* MMU Assist Register 3 */ 111#define SPRN_MAS3 0x273 /* MMU Assist Register 3 */
112#define SPRN_MAS4 0x274 /* MMU Assist Register 4 */ 112#define SPRN_MAS4 0x274 /* MMU Assist Register 4 */
113#define SPRN_MAS5 0x275 /* MMU Assist Register 5 */ 113#define SPRN_MAS5 0x153 /* MMU Assist Register 5 */
114#define SPRN_MAS6 0x276 /* MMU Assist Register 6 */ 114#define SPRN_MAS6 0x276 /* MMU Assist Register 6 */
115#define SPRN_PID1 0x279 /* Process ID Register 1 */ 115#define SPRN_PID1 0x279 /* Process ID Register 1 */
116#define SPRN_PID2 0x27A /* Process ID Register 2 */ 116#define SPRN_PID2 0x27A /* Process ID Register 2 */
diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index 66e237bbe15f..a902a0d3ae0d 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -36,15 +36,16 @@ extern void cpu_die(void);
36 36
37extern void smp_send_debugger_break(int cpu); 37extern void smp_send_debugger_break(int cpu);
38extern void smp_message_recv(int); 38extern void smp_message_recv(int);
39extern void start_secondary_resume(void);
39 40
40DECLARE_PER_CPU(unsigned int, cpu_pvr); 41DECLARE_PER_CPU(unsigned int, cpu_pvr);
41 42
42#ifdef CONFIG_HOTPLUG_CPU 43#ifdef CONFIG_HOTPLUG_CPU
43extern void fixup_irqs(const struct cpumask *map); 44extern void migrate_irqs(void);
44int generic_cpu_disable(void); 45int generic_cpu_disable(void);
45int generic_cpu_enable(unsigned int cpu);
46void generic_cpu_die(unsigned int cpu); 46void generic_cpu_die(unsigned int cpu);
47void generic_mach_cpu_die(void); 47void generic_mach_cpu_die(void);
48void generic_set_cpu_dead(unsigned int cpu);
48#endif 49#endif
49 50
50#ifdef CONFIG_PPC64 51#ifdef CONFIG_PPC64
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index aa0f1ebb4aaf..60f64b132bd4 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -348,3 +348,7 @@ COMPAT_SYS_SPU(sendmsg)
348COMPAT_SYS_SPU(recvmsg) 348COMPAT_SYS_SPU(recvmsg)
349COMPAT_SYS_SPU(recvmmsg) 349COMPAT_SYS_SPU(recvmmsg)
350SYSCALL_SPU(accept4) 350SYSCALL_SPU(accept4)
351SYSCALL_SPU(name_to_handle_at)
352COMPAT_SYS_SPU(open_by_handle_at)
353COMPAT_SYS_SPU(clock_adjtime)
354SYSCALL_SPU(syncfs)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 6151937657f6..3c215648ce6d 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -367,10 +367,14 @@
367#define __NR_recvmsg 342 367#define __NR_recvmsg 342
368#define __NR_recvmmsg 343 368#define __NR_recvmmsg 343
369#define __NR_accept4 344 369#define __NR_accept4 344
370#define __NR_name_to_handle_at 345
371#define __NR_open_by_handle_at 346
372#define __NR_clock_adjtime 347
373#define __NR_syncfs 348
370 374
371#ifdef __KERNEL__ 375#ifdef __KERNEL__
372 376
373#define __NR_syscalls 345 377#define __NR_syscalls 349
374 378
375#define __NR__exit __NR_exit 379#define __NR__exit __NR_exit
376#define NR_syscalls __NR_syscalls 380#define NR_syscalls __NR_syscalls
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 3d569e2aff18..3d3d416339dd 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -163,7 +163,7 @@ static void crash_kexec_prepare_cpus(int cpu)
163} 163}
164 164
165/* wait for all the CPUs to hit real mode but timeout if they don't come in */ 165/* wait for all the CPUs to hit real mode but timeout if they don't come in */
166#ifdef CONFIG_PPC_STD_MMU_64 166#if defined(CONFIG_PPC_STD_MMU_64) && defined(CONFIG_SMP)
167static void crash_kexec_wait_realmode(int cpu) 167static void crash_kexec_wait_realmode(int cpu)
168{ 168{
169 unsigned int msecs; 169 unsigned int msecs;
@@ -188,6 +188,8 @@ static void crash_kexec_wait_realmode(int cpu)
188 } 188 }
189 mb(); 189 mb();
190} 190}
191#else
192static inline void crash_kexec_wait_realmode(int cpu) {}
191#endif 193#endif
192 194
193/* 195/*
@@ -344,9 +346,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
344 crash_save_cpu(regs, crashing_cpu); 346 crash_save_cpu(regs, crashing_cpu);
345 crash_kexec_prepare_cpus(crashing_cpu); 347 crash_kexec_prepare_cpus(crashing_cpu);
346 cpu_set(crashing_cpu, cpus_in_crash); 348 cpu_set(crashing_cpu, cpus_in_crash);
347#if defined(CONFIG_PPC_STD_MMU_64) && defined(CONFIG_SMP)
348 crash_kexec_wait_realmode(crashing_cpu); 349 crash_kexec_wait_realmode(crashing_cpu);
349#endif
350 350
351 machine_kexec_mask_interrupts(); 351 machine_kexec_mask_interrupts();
352 352
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index cf02cad62d9a..d238c082c3c5 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -179,3 +179,21 @@ static int __init dma_init(void)
179 return 0; 179 return 0;
180} 180}
181fs_initcall(dma_init); 181fs_initcall(dma_init);
182
183int dma_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
184 void *cpu_addr, dma_addr_t handle, size_t size)
185{
186 unsigned long pfn;
187
188#ifdef CONFIG_NOT_COHERENT_CACHE
189 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
190 pfn = __dma_get_coherent_pfn((unsigned long)cpu_addr);
191#else
192 pfn = page_to_pfn(virt_to_page(cpu_addr));
193#endif
194 return remap_pfn_range(vma, vma->vm_start,
195 pfn + vma->vm_pgoff,
196 vma->vm_end - vma->vm_start,
197 vma->vm_page_prot);
198}
199EXPORT_SYMBOL_GPL(dma_mmap_coherent);
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 8a817995b4cd..c532cb2c927a 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -977,20 +977,6 @@ _GLOBAL(do_stab_bolted)
977 rfid 977 rfid
978 b . /* prevent speculative execution */ 978 b . /* prevent speculative execution */
979 979
980/*
981 * Space for CPU0's segment table.
982 *
983 * On iSeries, the hypervisor must fill in at least one entry before
984 * we get control (with relocate on). The address is given to the hv
985 * as a page number (see xLparMap below), so this must be at a
986 * fixed address (the linker can't compute (u64)&initial_stab >>
987 * PAGE_SHIFT).
988 */
989 . = STAB0_OFFSET /* 0x6000 */
990 .globl initial_stab
991initial_stab:
992 .space 4096
993
994#ifdef CONFIG_PPC_PSERIES 980#ifdef CONFIG_PPC_PSERIES
995/* 981/*
996 * Data area reserved for FWNMI option. 982 * Data area reserved for FWNMI option.
@@ -1027,3 +1013,17 @@ xLparMap:
1027#ifdef CONFIG_PPC_PSERIES 1013#ifdef CONFIG_PPC_PSERIES
1028 . = 0x8000 1014 . = 0x8000
1029#endif /* CONFIG_PPC_PSERIES */ 1015#endif /* CONFIG_PPC_PSERIES */
1016
1017/*
1018 * Space for CPU0's segment table.
1019 *
1020 * On iSeries, the hypervisor must fill in at least one entry before
1021 * we get control (with relocate on). The address is given to the hv
1022 * as a page number (see xLparMap above), so this must be at a
1023 * fixed address (the linker can't compute (u64)&initial_stab >>
1024 * PAGE_SHIFT).
1025 */
1026 . = STAB0_OFFSET /* 0x8000 */
1027 .globl initial_stab
1028initial_stab:
1029 .space 4096
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 98c4b29a56f4..c5c24beb8387 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -890,6 +890,15 @@ __secondary_start:
890 mtspr SPRN_SRR1,r4 890 mtspr SPRN_SRR1,r4
891 SYNC 891 SYNC
892 RFI 892 RFI
893
894_GLOBAL(start_secondary_resume)
895 /* Reset stack */
896 rlwinm r1,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
897 addi r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD
898 li r3,0
899 std r3,0(r1) /* Zero the stack frame pointer */
900 bl start_secondary
901 b .
893#endif /* CONFIG_SMP */ 902#endif /* CONFIG_SMP */
894 903
895#ifdef CONFIG_KVM_BOOK3S_HANDLER 904#ifdef CONFIG_KVM_BOOK3S_HANDLER
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 782f23df7c85..271140b38b6f 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -536,6 +536,13 @@ _GLOBAL(pmac_secondary_start)
536 add r13,r13,r4 /* for this processor. */ 536 add r13,r13,r4 /* for this processor. */
537 mtspr SPRN_SPRG_PACA,r13 /* Save vaddr of paca in an SPRG*/ 537 mtspr SPRN_SPRG_PACA,r13 /* Save vaddr of paca in an SPRG*/
538 538
539 /* Mark interrupts soft and hard disabled (they might be enabled
540 * in the PACA when doing hotplug)
541 */
542 li r0,0
543 stb r0,PACASOFTIRQEN(r13)
544 stb r0,PACAHARDIRQEN(r13)
545
539 /* Create a temp kernel stack for use before relocation is on. */ 546 /* Create a temp kernel stack for use before relocation is on. */
540 ld r1,PACAEMERGSP(r13) 547 ld r1,PACAEMERGSP(r13)
541 subi r1,r1,STACK_FRAME_OVERHEAD 548 subi r1,r1,STACK_FRAME_OVERHEAD
diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S
index 5328709eeedc..ba3195478600 100644
--- a/arch/powerpc/kernel/idle_power4.S
+++ b/arch/powerpc/kernel/idle_power4.S
@@ -53,24 +53,3 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
53 isync 53 isync
54 b 1b 54 b 1b
55 55
56_GLOBAL(power4_cpu_offline_powersave)
57 /* Go to NAP now */
58 mfmsr r7
59 rldicl r0,r7,48,1
60 rotldi r0,r0,16
61 mtmsrd r0,1 /* hard-disable interrupts */
62 li r0,1
63 li r6,0
64 stb r0,PACAHARDIRQEN(r13) /* we'll hard-enable shortly */
65 stb r6,PACASOFTIRQEN(r13) /* soft-disable irqs */
66BEGIN_FTR_SECTION
67 DSSALL
68 sync
69END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
70 ori r7,r7,MSR_EE
71 oris r7,r7,MSR_POW@h
72 sync
73 isync
74 mtmsrd r7
75 isync
76 blr
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 63625e0650b5..f621b7d2d869 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -246,12 +246,13 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
246} 246}
247 247
248#ifdef CONFIG_HOTPLUG_CPU 248#ifdef CONFIG_HOTPLUG_CPU
249void fixup_irqs(const struct cpumask *map) 249void migrate_irqs(void)
250{ 250{
251 struct irq_desc *desc; 251 struct irq_desc *desc;
252 unsigned int irq; 252 unsigned int irq;
253 static int warned; 253 static int warned;
254 cpumask_var_t mask; 254 cpumask_var_t mask;
255 const struct cpumask *map = cpu_online_mask;
255 256
256 alloc_cpumask_var(&mask, GFP_KERNEL); 257 alloc_cpumask_var(&mask, GFP_KERNEL);
257 258
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index f4adf89d7614..10f0aadee95b 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -203,7 +203,7 @@ void __init free_unused_pacas(void)
203{ 203{
204 int new_size; 204 int new_size;
205 205
206 new_size = PAGE_ALIGN(sizeof(struct paca_struct) * num_possible_cpus()); 206 new_size = PAGE_ALIGN(sizeof(struct paca_struct) * nr_cpu_ids);
207 207
208 if (new_size >= paca_size) 208 if (new_size >= paca_size)
209 return; 209 return;
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 9d4882a46647..21f30cb68077 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -509,6 +509,9 @@ void __init smp_setup_cpu_maps(void)
509 */ 509 */
510 cpu_init_thread_core_maps(nthreads); 510 cpu_init_thread_core_maps(nthreads);
511 511
512 /* Now that possible cpus are set, set nr_cpu_ids for later use */
513 nr_cpu_ids = find_last_bit(cpumask_bits(cpu_possible_mask),NR_CPUS) + 1;
514
512 free_unused_pacas(); 515 free_unused_pacas();
513} 516}
514#endif /* CONFIG_SMP */ 517#endif /* CONFIG_SMP */
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 981360509172..cbdbb14be4b0 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -57,6 +57,25 @@
57#define DBG(fmt...) 57#define DBG(fmt...)
58#endif 58#endif
59 59
60
61/* Store all idle threads, this can be reused instead of creating
62* a new thread. Also avoids complicated thread destroy functionality
63* for idle threads.
64*/
65#ifdef CONFIG_HOTPLUG_CPU
66/*
67 * Needed only for CONFIG_HOTPLUG_CPU because __cpuinitdata is
68 * removed after init for !CONFIG_HOTPLUG_CPU.
69 */
70static DEFINE_PER_CPU(struct task_struct *, idle_thread_array);
71#define get_idle_for_cpu(x) (per_cpu(idle_thread_array, x))
72#define set_idle_for_cpu(x, p) (per_cpu(idle_thread_array, x) = (p))
73#else
74static struct task_struct *idle_thread_array[NR_CPUS] __cpuinitdata ;
75#define get_idle_for_cpu(x) (idle_thread_array[(x)])
76#define set_idle_for_cpu(x, p) (idle_thread_array[(x)] = (p))
77#endif
78
60struct thread_info *secondary_ti; 79struct thread_info *secondary_ti;
61 80
62DEFINE_PER_CPU(cpumask_var_t, cpu_sibling_map); 81DEFINE_PER_CPU(cpumask_var_t, cpu_sibling_map);
@@ -238,23 +257,6 @@ static void __devinit smp_store_cpu_info(int id)
238 per_cpu(cpu_pvr, id) = mfspr(SPRN_PVR); 257 per_cpu(cpu_pvr, id) = mfspr(SPRN_PVR);
239} 258}
240 259
241static void __init smp_create_idle(unsigned int cpu)
242{
243 struct task_struct *p;
244
245 /* create a process for the processor */
246 p = fork_idle(cpu);
247 if (IS_ERR(p))
248 panic("failed fork for CPU %u: %li", cpu, PTR_ERR(p));
249#ifdef CONFIG_PPC64
250 paca[cpu].__current = p;
251 paca[cpu].kstack = (unsigned long) task_thread_info(p)
252 + THREAD_SIZE - STACK_FRAME_OVERHEAD;
253#endif
254 current_set[cpu] = task_thread_info(p);
255 task_thread_info(p)->cpu = cpu;
256}
257
258void __init smp_prepare_cpus(unsigned int max_cpus) 260void __init smp_prepare_cpus(unsigned int max_cpus)
259{ 261{
260 unsigned int cpu; 262 unsigned int cpu;
@@ -288,10 +290,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
288 max_cpus = NR_CPUS; 290 max_cpus = NR_CPUS;
289 else 291 else
290 max_cpus = 1; 292 max_cpus = 1;
291
292 for_each_possible_cpu(cpu)
293 if (cpu != boot_cpuid)
294 smp_create_idle(cpu);
295} 293}
296 294
297void __devinit smp_prepare_boot_cpu(void) 295void __devinit smp_prepare_boot_cpu(void)
@@ -305,7 +303,7 @@ void __devinit smp_prepare_boot_cpu(void)
305 303
306#ifdef CONFIG_HOTPLUG_CPU 304#ifdef CONFIG_HOTPLUG_CPU
307/* State of each CPU during hotplug phases */ 305/* State of each CPU during hotplug phases */
308DEFINE_PER_CPU(int, cpu_state) = { 0 }; 306static DEFINE_PER_CPU(int, cpu_state) = { 0 };
309 307
310int generic_cpu_disable(void) 308int generic_cpu_disable(void)
311{ 309{
@@ -317,30 +315,8 @@ int generic_cpu_disable(void)
317 set_cpu_online(cpu, false); 315 set_cpu_online(cpu, false);
318#ifdef CONFIG_PPC64 316#ifdef CONFIG_PPC64
319 vdso_data->processorCount--; 317 vdso_data->processorCount--;
320 fixup_irqs(cpu_online_mask);
321#endif
322 return 0;
323}
324
325int generic_cpu_enable(unsigned int cpu)
326{
327 /* Do the normal bootup if we haven't
328 * already bootstrapped. */
329 if (system_state != SYSTEM_RUNNING)
330 return -ENOSYS;
331
332 /* get the target out of it's holding state */
333 per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;
334 smp_wmb();
335
336 while (!cpu_online(cpu))
337 cpu_relax();
338
339#ifdef CONFIG_PPC64
340 fixup_irqs(cpu_online_mask);
341 /* counter the irq disable in fixup_irqs */
342 local_irq_enable();
343#endif 318#endif
319 migrate_irqs();
344 return 0; 320 return 0;
345} 321}
346 322
@@ -362,37 +338,89 @@ void generic_mach_cpu_die(void)
362 unsigned int cpu; 338 unsigned int cpu;
363 339
364 local_irq_disable(); 340 local_irq_disable();
341 idle_task_exit();
365 cpu = smp_processor_id(); 342 cpu = smp_processor_id();
366 printk(KERN_DEBUG "CPU%d offline\n", cpu); 343 printk(KERN_DEBUG "CPU%d offline\n", cpu);
367 __get_cpu_var(cpu_state) = CPU_DEAD; 344 __get_cpu_var(cpu_state) = CPU_DEAD;
368 smp_wmb(); 345 smp_wmb();
369 while (__get_cpu_var(cpu_state) != CPU_UP_PREPARE) 346 while (__get_cpu_var(cpu_state) != CPU_UP_PREPARE)
370 cpu_relax(); 347 cpu_relax();
371 set_cpu_online(cpu, true); 348}
372 local_irq_enable(); 349
350void generic_set_cpu_dead(unsigned int cpu)
351{
352 per_cpu(cpu_state, cpu) = CPU_DEAD;
373} 353}
374#endif 354#endif
375 355
376static int __devinit cpu_enable(unsigned int cpu) 356struct create_idle {
357 struct work_struct work;
358 struct task_struct *idle;
359 struct completion done;
360 int cpu;
361};
362
363static void __cpuinit do_fork_idle(struct work_struct *work)
377{ 364{
378 if (smp_ops && smp_ops->cpu_enable) 365 struct create_idle *c_idle =
379 return smp_ops->cpu_enable(cpu); 366 container_of(work, struct create_idle, work);
367
368 c_idle->idle = fork_idle(c_idle->cpu);
369 complete(&c_idle->done);
370}
371
372static int __cpuinit create_idle(unsigned int cpu)
373{
374 struct thread_info *ti;
375 struct create_idle c_idle = {
376 .cpu = cpu,
377 .done = COMPLETION_INITIALIZER_ONSTACK(c_idle.done),
378 };
379 INIT_WORK_ONSTACK(&c_idle.work, do_fork_idle);
380
381 c_idle.idle = get_idle_for_cpu(cpu);
382
383 /* We can't use kernel_thread since we must avoid to
384 * reschedule the child. We use a workqueue because
385 * we want to fork from a kernel thread, not whatever
386 * userspace process happens to be trying to online us.
387 */
388 if (!c_idle.idle) {
389 schedule_work(&c_idle.work);
390 wait_for_completion(&c_idle.done);
391 } else
392 init_idle(c_idle.idle, cpu);
393 if (IS_ERR(c_idle.idle)) {
394 pr_err("Failed fork for CPU %u: %li", cpu, PTR_ERR(c_idle.idle));
395 return PTR_ERR(c_idle.idle);
396 }
397 ti = task_thread_info(c_idle.idle);
398
399#ifdef CONFIG_PPC64
400 paca[cpu].__current = c_idle.idle;
401 paca[cpu].kstack = (unsigned long)ti + THREAD_SIZE - STACK_FRAME_OVERHEAD;
402#endif
403 ti->cpu = cpu;
404 current_set[cpu] = ti;
380 405
381 return -ENOSYS; 406 return 0;
382} 407}
383 408
384int __cpuinit __cpu_up(unsigned int cpu) 409int __cpuinit __cpu_up(unsigned int cpu)
385{ 410{
386 int c; 411 int rc, c;
387 412
388 secondary_ti = current_set[cpu]; 413 secondary_ti = current_set[cpu];
389 if (!cpu_enable(cpu))
390 return 0;
391 414
392 if (smp_ops == NULL || 415 if (smp_ops == NULL ||
393 (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu))) 416 (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu)))
394 return -EINVAL; 417 return -EINVAL;
395 418
419 /* Make sure we have an idle thread */
420 rc = create_idle(cpu);
421 if (rc)
422 return rc;
423
396 /* Make sure callin-map entry is 0 (can be leftover a CPU 424 /* Make sure callin-map entry is 0 (can be leftover a CPU
397 * hotplug 425 * hotplug
398 */ 426 */
@@ -502,7 +530,7 @@ static struct device_node *cpu_to_l2cache(int cpu)
502} 530}
503 531
504/* Activate a secondary processor. */ 532/* Activate a secondary processor. */
505int __devinit start_secondary(void *unused) 533void __devinit start_secondary(void *unused)
506{ 534{
507 unsigned int cpu = smp_processor_id(); 535 unsigned int cpu = smp_processor_id();
508 struct device_node *l2_cache; 536 struct device_node *l2_cache;
@@ -523,6 +551,10 @@ int __devinit start_secondary(void *unused)
523 551
524 secondary_cpu_time_init(); 552 secondary_cpu_time_init();
525 553
554#ifdef CONFIG_PPC64
555 if (system_state == SYSTEM_RUNNING)
556 vdso_data->processorCount++;
557#endif
526 ipi_call_lock(); 558 ipi_call_lock();
527 notify_cpu_starting(cpu); 559 notify_cpu_starting(cpu);
528 set_cpu_online(cpu, true); 560 set_cpu_online(cpu, true);
@@ -558,7 +590,8 @@ int __devinit start_secondary(void *unused)
558 local_irq_enable(); 590 local_irq_enable();
559 591
560 cpu_idle(); 592 cpu_idle();
561 return 0; 593
594 BUG();
562} 595}
563 596
564int setup_profiling_timer(unsigned int multiplier) 597int setup_profiling_timer(unsigned int multiplier)
@@ -585,7 +618,11 @@ void __init smp_cpus_done(unsigned int max_cpus)
585 618
586 free_cpumask_var(old_mask); 619 free_cpumask_var(old_mask);
587 620
621 if (smp_ops && smp_ops->bringup_done)
622 smp_ops->bringup_done();
623
588 dump_numa_cpu_topology(); 624 dump_numa_cpu_topology();
625
589} 626}
590 627
591int arch_sd_sibling_asym_packing(void) 628int arch_sd_sibling_asym_packing(void)
@@ -660,5 +697,9 @@ void cpu_die(void)
660{ 697{
661 if (ppc_md.cpu_die) 698 if (ppc_md.cpu_die)
662 ppc_md.cpu_die(); 699 ppc_md.cpu_die();
700
701 /* If we return, we re-enter start_secondary */
702 start_secondary_resume();
663} 703}
704
664#endif 705#endif
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 09d31dbf43f9..375480c56eb9 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -356,7 +356,7 @@ void account_system_vtime(struct task_struct *tsk)
356 } 356 }
357 get_paca()->user_time_scaled += user_scaled; 357 get_paca()->user_time_scaled += user_scaled;
358 358
359 if (in_irq() || idle_task(smp_processor_id()) != tsk) { 359 if (in_interrupt() || idle_task(smp_processor_id()) != tsk) {
360 account_system_time(tsk, 0, delta, sys_scaled); 360 account_system_time(tsk, 0, delta, sys_scaled);
361 if (stolen) 361 if (stolen)
362 account_steal_time(stolen); 362 account_steal_time(stolen);
@@ -577,14 +577,21 @@ void timer_interrupt(struct pt_regs * regs)
577 struct clock_event_device *evt = &decrementer->event; 577 struct clock_event_device *evt = &decrementer->event;
578 u64 now; 578 u64 now;
579 579
580 /* Ensure a positive value is written to the decrementer, or else
581 * some CPUs will continue to take decrementer exceptions.
582 */
583 set_dec(DECREMENTER_MAX);
584
585 /* Some implementations of hotplug will get timer interrupts while
586 * offline, just ignore these
587 */
588 if (!cpu_online(smp_processor_id()))
589 return;
590
580 trace_timer_interrupt_entry(regs); 591 trace_timer_interrupt_entry(regs);
581 592
582 __get_cpu_var(irq_stat).timer_irqs++; 593 __get_cpu_var(irq_stat).timer_irqs++;
583 594
584 /* Ensure a positive value is written to the decrementer, or else
585 * some CPUs will continuue to take decrementer exceptions */
586 set_dec(DECREMENTER_MAX);
587
588#if defined(CONFIG_PPC32) && defined(CONFIG_PMAC) 595#if defined(CONFIG_PPC32) && defined(CONFIG_PMAC)
589 if (atomic_read(&ppc_n_lost_interrupts) != 0) 596 if (atomic_read(&ppc_n_lost_interrupts) != 0)
590 do_IRQ(regs); 597 do_IRQ(regs);
diff --git a/arch/powerpc/mm/dma-noncoherent.c b/arch/powerpc/mm/dma-noncoherent.c
index 757c0bed9a91..b42f76c4948d 100644
--- a/arch/powerpc/mm/dma-noncoherent.c
+++ b/arch/powerpc/mm/dma-noncoherent.c
@@ -399,3 +399,23 @@ void __dma_sync_page(struct page *page, unsigned long offset,
399#endif 399#endif
400} 400}
401EXPORT_SYMBOL(__dma_sync_page); 401EXPORT_SYMBOL(__dma_sync_page);
402
403/*
404 * Return the PFN for a given cpu virtual address returned by
405 * __dma_alloc_coherent. This is used by dma_mmap_coherent()
406 */
407unsigned long __dma_get_coherent_pfn(unsigned long cpu_addr)
408{
409 /* This should always be populated, so we don't test every
410 * level. If that fails, we'll have a nice crash which
411 * will be as good as a BUG_ON()
412 */
413 pgd_t *pgd = pgd_offset_k(cpu_addr);
414 pud_t *pud = pud_offset(pgd, cpu_addr);
415 pmd_t *pmd = pmd_offset(pud, cpu_addr);
416 pte_t *ptep = pte_offset_kernel(pmd, cpu_addr);
417
418 if (pte_none(*ptep) || !pte_present(*ptep))
419 return 0;
420 return pte_pfn(*ptep);
421}
diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S
index 8526bd9d2aa3..222815112e45 100644
--- a/arch/powerpc/mm/tlb_low_64e.S
+++ b/arch/powerpc/mm/tlb_low_64e.S
@@ -431,7 +431,7 @@ virt_page_table_tlb_miss_fault:
431 * The thing is, we know that in normal circumstances, this is 431 * The thing is, we know that in normal circumstances, this is
432 * always called as a second level tlb miss for SW load or as a first 432 * always called as a second level tlb miss for SW load or as a first
433 * level TLB miss for HW load, so we should be able to peek at the 433 * level TLB miss for HW load, so we should be able to peek at the
434 * relevant informations in the first exception frame in the PACA. 434 * relevant information in the first exception frame in the PACA.
435 * 435 *
436 * However, we do need to double check that, because we may just hit 436 * However, we do need to double check that, because we may just hit
437 * a stray kernel pointer or a userland attack trying to hit those 437 * a stray kernel pointer or a userland attack trying to hit those
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 20576829eca5..f7b07720aa30 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -46,7 +46,7 @@ config PPC_OF_BOOT_TRAMPOLINE
46 help 46 help
47 Support from booting from Open Firmware or yaboot using an 47 Support from booting from Open Firmware or yaboot using an
48 Open Firmware client interface. This enables the kernel to 48 Open Firmware client interface. This enables the kernel to
49 communicate with open firmware to retrieve system informations 49 communicate with open firmware to retrieve system information
50 such as the device tree. 50 such as the device tree.
51 51
52 In case of doubt, say Y 52 In case of doubt, say Y
diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
index a19bec078703..44cfd1bef89b 100644
--- a/arch/powerpc/platforms/cell/interrupt.c
+++ b/arch/powerpc/platforms/cell/interrupt.c
@@ -244,7 +244,7 @@ static int iic_host_map(struct irq_host *h, unsigned int virq,
244 break; 244 break;
245 case IIC_IRQ_TYPE_IOEXC: 245 case IIC_IRQ_TYPE_IOEXC:
246 irq_set_chip_and_handler(virq, &iic_ioexc_chip, 246 irq_set_chip_and_handler(virq, &iic_ioexc_chip,
247 handle_iic_irq); 247 handle_edge_eoi_irq);
248 break; 248 break;
249 default: 249 default:
250 irq_set_chip_and_handler(virq, &iic_chip, handle_edge_eoi_irq); 250 irq_set_chip_and_handler(virq, &iic_chip, handle_edge_eoi_irq);
diff --git a/arch/powerpc/platforms/powermac/pmac.h b/arch/powerpc/platforms/powermac/pmac.h
index f0bc08f6c1f0..20468f49aec0 100644
--- a/arch/powerpc/platforms/powermac/pmac.h
+++ b/arch/powerpc/platforms/powermac/pmac.h
@@ -33,7 +33,6 @@ extern void pmac_setup_pci_dma(void);
33extern void pmac_check_ht_link(void); 33extern void pmac_check_ht_link(void);
34 34
35extern void pmac_setup_smp(void); 35extern void pmac_setup_smp(void);
36extern void pmac32_cpu_die(void);
37extern void low_cpu_die(void) __attribute__((noreturn)); 36extern void low_cpu_die(void) __attribute__((noreturn));
38 37
39extern int pmac_nvram_init(void); 38extern int pmac_nvram_init(void);
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index d5aceb7fb125..aa45281bd296 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -650,51 +650,6 @@ static int pmac_pci_probe_mode(struct pci_bus *bus)
650 return PCI_PROBE_NORMAL; 650 return PCI_PROBE_NORMAL;
651 return PCI_PROBE_DEVTREE; 651 return PCI_PROBE_DEVTREE;
652} 652}
653
654#ifdef CONFIG_HOTPLUG_CPU
655/* access per cpu vars from generic smp.c */
656DECLARE_PER_CPU(int, cpu_state);
657
658static void pmac64_cpu_die(void)
659{
660 /*
661 * turn off as much as possible, we'll be
662 * kicked out as this will only be invoked
663 * on core99 platforms for now ...
664 */
665
666 printk(KERN_INFO "CPU#%d offline\n", smp_processor_id());
667 __get_cpu_var(cpu_state) = CPU_DEAD;
668 smp_wmb();
669
670 /*
671 * during the path that leads here preemption is disabled,
672 * reenable it now so that when coming up preempt count is
673 * zero correctly
674 */
675 preempt_enable();
676
677 /*
678 * hard-disable interrupts for the non-NAP case, the NAP code
679 * needs to re-enable interrupts (but soft-disables them)
680 */
681 hard_irq_disable();
682
683 while (1) {
684 /* let's not take timer interrupts too often ... */
685 set_dec(0x7fffffff);
686
687 /* should always be true at this point */
688 if (cpu_has_feature(CPU_FTR_CAN_NAP))
689 power4_cpu_offline_powersave();
690 else {
691 HMT_low();
692 HMT_very_low();
693 }
694 }
695}
696#endif /* CONFIG_HOTPLUG_CPU */
697
698#endif /* CONFIG_PPC64 */ 653#endif /* CONFIG_PPC64 */
699 654
700define_machine(powermac) { 655define_machine(powermac) {
@@ -726,15 +681,4 @@ define_machine(powermac) {
726 .pcibios_after_init = pmac_pcibios_after_init, 681 .pcibios_after_init = pmac_pcibios_after_init,
727 .phys_mem_access_prot = pci_phys_mem_access_prot, 682 .phys_mem_access_prot = pci_phys_mem_access_prot,
728#endif 683#endif
729#ifdef CONFIG_HOTPLUG_CPU
730#ifdef CONFIG_PPC64
731 .cpu_die = pmac64_cpu_die,
732#endif
733#ifdef CONFIG_PPC32
734 .cpu_die = pmac32_cpu_die,
735#endif
736#endif
737#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32)
738 .cpu_die = generic_mach_cpu_die,
739#endif
740}; 684};
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index c95215f4f8b6..a830c5e80657 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -840,92 +840,149 @@ static void __devinit smp_core99_setup_cpu(int cpu_nr)
840 840
841 /* Setup openpic */ 841 /* Setup openpic */
842 mpic_setup_this_cpu(); 842 mpic_setup_this_cpu();
843}
843 844
844 if (cpu_nr == 0) { 845#ifdef CONFIG_HOTPLUG_CPU
845#ifdef CONFIG_PPC64 846static int smp_core99_cpu_notify(struct notifier_block *self,
846 extern void g5_phy_disable_cpu1(void); 847 unsigned long action, void *hcpu)
848{
849 int rc;
847 850
848 /* Close i2c bus if it was used for tb sync */ 851 switch(action) {
852 case CPU_UP_PREPARE:
853 case CPU_UP_PREPARE_FROZEN:
854 /* Open i2c bus if it was used for tb sync */
849 if (pmac_tb_clock_chip_host) { 855 if (pmac_tb_clock_chip_host) {
850 pmac_i2c_close(pmac_tb_clock_chip_host); 856 rc = pmac_i2c_open(pmac_tb_clock_chip_host, 1);
851 pmac_tb_clock_chip_host = NULL; 857 if (rc) {
858 pr_err("Failed to open i2c bus for time sync\n");
859 return notifier_from_errno(rc);
860 }
852 } 861 }
862 break;
863 case CPU_ONLINE:
864 case CPU_UP_CANCELED:
865 /* Close i2c bus if it was used for tb sync */
866 if (pmac_tb_clock_chip_host)
867 pmac_i2c_close(pmac_tb_clock_chip_host);
868 break;
869 default:
870 break;
871 }
872 return NOTIFY_OK;
873}
853 874
854 /* If we didn't start the second CPU, we must take 875static struct notifier_block __cpuinitdata smp_core99_cpu_nb = {
855 * it off the bus 876 .notifier_call = smp_core99_cpu_notify,
856 */ 877};
857 if (of_machine_is_compatible("MacRISC4") && 878#endif /* CONFIG_HOTPLUG_CPU */
858 num_online_cpus() < 2) 879
859 g5_phy_disable_cpu1(); 880static void __init smp_core99_bringup_done(void)
860#endif /* CONFIG_PPC64 */ 881{
882#ifdef CONFIG_PPC64
883 extern void g5_phy_disable_cpu1(void);
884
885 /* Close i2c bus if it was used for tb sync */
886 if (pmac_tb_clock_chip_host)
887 pmac_i2c_close(pmac_tb_clock_chip_host);
861 888
862 if (ppc_md.progress) 889 /* If we didn't start the second CPU, we must take
863 ppc_md.progress("core99_setup_cpu 0 done", 0x349); 890 * it off the bus.
891 */
892 if (of_machine_is_compatible("MacRISC4") &&
893 num_online_cpus() < 2) {
894 set_cpu_present(1, false);
895 g5_phy_disable_cpu1();
864 } 896 }
865} 897#endif /* CONFIG_PPC64 */
866 898
899#ifdef CONFIG_HOTPLUG_CPU
900 register_cpu_notifier(&smp_core99_cpu_nb);
901#endif
902 if (ppc_md.progress)
903 ppc_md.progress("smp_core99_bringup_done", 0x349);
904}
867 905
868#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32) 906#ifdef CONFIG_HOTPLUG_CPU
869 907
870int smp_core99_cpu_disable(void) 908static int smp_core99_cpu_disable(void)
871{ 909{
872 set_cpu_online(smp_processor_id(), false); 910 int rc = generic_cpu_disable();
911 if (rc)
912 return rc;
873 913
874 /* XXX reset cpu affinity here */
875 mpic_cpu_set_priority(0xf); 914 mpic_cpu_set_priority(0xf);
876 asm volatile("mtdec %0" : : "r" (0x7fffffff)); 915
877 mb();
878 udelay(20);
879 asm volatile("mtdec %0" : : "r" (0x7fffffff));
880 return 0; 916 return 0;
881} 917}
882 918
883static int cpu_dead[NR_CPUS]; 919#ifdef CONFIG_PPC32
884 920
885void pmac32_cpu_die(void) 921static void pmac_cpu_die(void)
886{ 922{
923 int cpu = smp_processor_id();
924
887 local_irq_disable(); 925 local_irq_disable();
888 cpu_dead[smp_processor_id()] = 1; 926 idle_task_exit();
927 pr_debug("CPU%d offline\n", cpu);
928 generic_set_cpu_dead(cpu);
929 smp_wmb();
889 mb(); 930 mb();
890 low_cpu_die(); 931 low_cpu_die();
891} 932}
892 933
893void smp_core99_cpu_die(unsigned int cpu) 934#else /* CONFIG_PPC32 */
935
936static void pmac_cpu_die(void)
894{ 937{
895 int timeout; 938 int cpu = smp_processor_id();
896 939
897 timeout = 1000; 940 local_irq_disable();
898 while (!cpu_dead[cpu]) { 941 idle_task_exit();
899 if (--timeout == 0) { 942
900 printk("CPU %u refused to die!\n", cpu); 943 /*
901 break; 944 * turn off as much as possible, we'll be
902 } 945 * kicked out as this will only be invoked
903 msleep(1); 946 * on core99 platforms for now ...
947 */
948
949 printk(KERN_INFO "CPU#%d offline\n", cpu);
950 generic_set_cpu_dead(cpu);
951 smp_wmb();
952
953 /*
954 * Re-enable interrupts. The NAP code needs to enable them
955 * anyways, do it now so we deal with the case where one already
956 * happened while soft-disabled.
957 * We shouldn't get any external interrupts, only decrementer, and the
958 * decrementer handler is safe for use on offline CPUs
959 */
960 local_irq_enable();
961
962 while (1) {
963 /* let's not take timer interrupts too often ... */
964 set_dec(0x7fffffff);
965
966 /* Enter NAP mode */
967 power4_idle();
904 } 968 }
905 cpu_dead[cpu] = 0;
906} 969}
907 970
908#endif /* CONFIG_HOTPLUG_CPU && CONFIG_PP32 */ 971#endif /* else CONFIG_PPC32 */
972#endif /* CONFIG_HOTPLUG_CPU */
909 973
910/* Core99 Macs (dual G4s and G5s) */ 974/* Core99 Macs (dual G4s and G5s) */
911struct smp_ops_t core99_smp_ops = { 975struct smp_ops_t core99_smp_ops = {
912 .message_pass = smp_mpic_message_pass, 976 .message_pass = smp_mpic_message_pass,
913 .probe = smp_core99_probe, 977 .probe = smp_core99_probe,
978 .bringup_done = smp_core99_bringup_done,
914 .kick_cpu = smp_core99_kick_cpu, 979 .kick_cpu = smp_core99_kick_cpu,
915 .setup_cpu = smp_core99_setup_cpu, 980 .setup_cpu = smp_core99_setup_cpu,
916 .give_timebase = smp_core99_give_timebase, 981 .give_timebase = smp_core99_give_timebase,
917 .take_timebase = smp_core99_take_timebase, 982 .take_timebase = smp_core99_take_timebase,
918#if defined(CONFIG_HOTPLUG_CPU) 983#if defined(CONFIG_HOTPLUG_CPU)
919# if defined(CONFIG_PPC32)
920 .cpu_disable = smp_core99_cpu_disable, 984 .cpu_disable = smp_core99_cpu_disable,
921 .cpu_die = smp_core99_cpu_die,
922# endif
923# if defined(CONFIG_PPC64)
924 .cpu_disable = generic_cpu_disable,
925 .cpu_die = generic_cpu_die, 985 .cpu_die = generic_cpu_die,
926 /* intentionally do *NOT* assign cpu_enable,
927 * the generic code will use kick_cpu then! */
928# endif
929#endif 986#endif
930}; 987};
931 988
@@ -957,5 +1014,10 @@ void __init pmac_setup_smp(void)
957 smp_ops = &psurge_smp_ops; 1014 smp_ops = &psurge_smp_ops;
958 } 1015 }
959#endif /* CONFIG_PPC32 */ 1016#endif /* CONFIG_PPC32 */
1017
1018#ifdef CONFIG_HOTPLUG_CPU
1019 ppc_md.cpu_die = pmac_cpu_die;
1020#endif
960} 1021}
961 1022
1023
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 419707b07248..00cc3a094885 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -480,8 +480,32 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
480 const char *new_msgs, unsigned long new_len) 480 const char *new_msgs, unsigned long new_len)
481{ 481{
482 static unsigned int oops_count = 0; 482 static unsigned int oops_count = 0;
483 static bool panicking = false;
483 size_t text_len; 484 size_t text_len;
484 485
486 switch (reason) {
487 case KMSG_DUMP_RESTART:
488 case KMSG_DUMP_HALT:
489 case KMSG_DUMP_POWEROFF:
490 /* These are almost always orderly shutdowns. */
491 return;
492 case KMSG_DUMP_OOPS:
493 case KMSG_DUMP_KEXEC:
494 break;
495 case KMSG_DUMP_PANIC:
496 panicking = true;
497 break;
498 case KMSG_DUMP_EMERG:
499 if (panicking)
500 /* Panic report already captured. */
501 return;
502 break;
503 default:
504 pr_err("%s: ignoring unrecognized KMSG_DUMP_* reason %d\n",
505 __FUNCTION__, (int) reason);
506 return;
507 }
508
485 if (clobbering_unread_rtas_event()) 509 if (clobbering_unread_rtas_event())
486 return; 510 return;
487 511
diff --git a/arch/powerpc/platforms/pseries/offline_states.h b/arch/powerpc/platforms/pseries/offline_states.h
index 75a6f480d931..08672d9136ab 100644
--- a/arch/powerpc/platforms/pseries/offline_states.h
+++ b/arch/powerpc/platforms/pseries/offline_states.h
@@ -34,6 +34,4 @@ static inline void set_default_offline_state(int cpu)
34#endif 34#endif
35 35
36extern enum cpu_state_vals get_preferred_offline_state(int cpu); 36extern enum cpu_state_vals get_preferred_offline_state(int cpu);
37extern int start_secondary(void);
38extern void start_secondary_resume(void);
39#endif 37#endif
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index c319d04aa799..000724149089 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -378,7 +378,7 @@ static int __init pSeries_init_panel(void)
378 378
379 return 0; 379 return 0;
380} 380}
381arch_initcall(pSeries_init_panel); 381machine_arch_initcall(pseries, pSeries_init_panel);
382 382
383static int pseries_set_dabr(unsigned long dabr) 383static int pseries_set_dabr(unsigned long dabr)
384{ 384{
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 0317cce877c6..a509c5292a67 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -64,8 +64,8 @@ int smp_query_cpu_stopped(unsigned int pcpu)
64 int qcss_tok = rtas_token("query-cpu-stopped-state"); 64 int qcss_tok = rtas_token("query-cpu-stopped-state");
65 65
66 if (qcss_tok == RTAS_UNKNOWN_SERVICE) { 66 if (qcss_tok == RTAS_UNKNOWN_SERVICE) {
67 printk(KERN_INFO "Firmware doesn't support " 67 printk_once(KERN_INFO
68 "query-cpu-stopped-state\n"); 68 "Firmware doesn't support query-cpu-stopped-state\n");
69 return QCSS_HARDWARE_ERROR; 69 return QCSS_HARDWARE_ERROR;
70 } 70 }
71 71
@@ -112,10 +112,10 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
112 112
113 /* Fixup atomic count: it exited inside IRQ handler. */ 113 /* Fixup atomic count: it exited inside IRQ handler. */
114 task_thread_info(paca[lcpu].__current)->preempt_count = 0; 114 task_thread_info(paca[lcpu].__current)->preempt_count = 0;
115 115#ifdef CONFIG_HOTPLUG_CPU
116 if (get_cpu_current_state(lcpu) == CPU_STATE_INACTIVE) 116 if (get_cpu_current_state(lcpu) == CPU_STATE_INACTIVE)
117 goto out; 117 goto out;
118 118#endif
119 /* 119 /*
120 * If the RTAS start-cpu token does not exist then presume the 120 * If the RTAS start-cpu token does not exist then presume the
121 * cpu is already spinning. 121 * cpu is already spinning.
@@ -130,7 +130,9 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
130 return 0; 130 return 0;
131 } 131 }
132 132
133#ifdef CONFIG_HOTPLUG_CPU
133out: 134out:
135#endif
134 return 1; 136 return 1;
135} 137}
136 138
@@ -144,16 +146,15 @@ static void __devinit smp_xics_setup_cpu(int cpu)
144 vpa_init(cpu); 146 vpa_init(cpu);
145 147
146 cpumask_clear_cpu(cpu, of_spin_mask); 148 cpumask_clear_cpu(cpu, of_spin_mask);
149#ifdef CONFIG_HOTPLUG_CPU
147 set_cpu_current_state(cpu, CPU_STATE_ONLINE); 150 set_cpu_current_state(cpu, CPU_STATE_ONLINE);
148 set_default_offline_state(cpu); 151 set_default_offline_state(cpu);
149 152#endif
150} 153}
151#endif /* CONFIG_XICS */ 154#endif /* CONFIG_XICS */
152 155
153static void __devinit smp_pSeries_kick_cpu(int nr) 156static void __devinit smp_pSeries_kick_cpu(int nr)
154{ 157{
155 long rc;
156 unsigned long hcpuid;
157 BUG_ON(nr < 0 || nr >= NR_CPUS); 158 BUG_ON(nr < 0 || nr >= NR_CPUS);
158 159
159 if (!smp_startup_cpu(nr)) 160 if (!smp_startup_cpu(nr))
@@ -165,16 +166,20 @@ static void __devinit smp_pSeries_kick_cpu(int nr)
165 * the processor will continue on to secondary_start 166 * the processor will continue on to secondary_start
166 */ 167 */
167 paca[nr].cpu_start = 1; 168 paca[nr].cpu_start = 1;
168 169#ifdef CONFIG_HOTPLUG_CPU
169 set_preferred_offline_state(nr, CPU_STATE_ONLINE); 170 set_preferred_offline_state(nr, CPU_STATE_ONLINE);
170 171
171 if (get_cpu_current_state(nr) == CPU_STATE_INACTIVE) { 172 if (get_cpu_current_state(nr) == CPU_STATE_INACTIVE) {
173 long rc;
174 unsigned long hcpuid;
175
172 hcpuid = get_hard_smp_processor_id(nr); 176 hcpuid = get_hard_smp_processor_id(nr);
173 rc = plpar_hcall_norets(H_PROD, hcpuid); 177 rc = plpar_hcall_norets(H_PROD, hcpuid);
174 if (rc != H_SUCCESS) 178 if (rc != H_SUCCESS)
175 printk(KERN_ERR "Error: Prod to wake up processor %d " 179 printk(KERN_ERR "Error: Prod to wake up processor %d "
176 "Ret= %ld\n", nr, rc); 180 "Ret= %ld\n", nr, rc);
177 } 181 }
182#endif
178} 183}
179 184
180static int smp_pSeries_cpu_bootable(unsigned int nr) 185static int smp_pSeries_cpu_bootable(unsigned int nr)
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 6c1e638f0ce9..ec8fe22047b7 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -204,33 +204,33 @@ static int get_irq_server(unsigned int virq, const struct cpumask *cpumask,
204 204
205static void xics_unmask_irq(struct irq_data *d) 205static void xics_unmask_irq(struct irq_data *d)
206{ 206{
207 unsigned int irq; 207 unsigned int hwirq;
208 int call_status; 208 int call_status;
209 int server; 209 int server;
210 210
211 pr_devel("xics: unmask virq %d\n", d->irq); 211 pr_devel("xics: unmask virq %d\n", d->irq);
212 212
213 irq = (unsigned int)irq_map[d->irq].hwirq; 213 hwirq = (unsigned int)irq_map[d->irq].hwirq;
214 pr_devel(" -> map to hwirq 0x%x\n", irq); 214 pr_devel(" -> map to hwirq 0x%x\n", hwirq);
215 if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) 215 if (hwirq == XICS_IPI || hwirq == XICS_IRQ_SPURIOUS)
216 return; 216 return;
217 217
218 server = get_irq_server(d->irq, d->affinity, 0); 218 server = get_irq_server(d->irq, d->affinity, 0);
219 219
220 call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server, 220 call_status = rtas_call(ibm_set_xive, 3, 1, NULL, hwirq, server,
221 DEFAULT_PRIORITY); 221 DEFAULT_PRIORITY);
222 if (call_status != 0) { 222 if (call_status != 0) {
223 printk(KERN_ERR 223 printk(KERN_ERR
224 "%s: ibm_set_xive irq %u server %x returned %d\n", 224 "%s: ibm_set_xive irq %u server %x returned %d\n",
225 __func__, irq, server, call_status); 225 __func__, hwirq, server, call_status);
226 return; 226 return;
227 } 227 }
228 228
229 /* Now unmask the interrupt (often a no-op) */ 229 /* Now unmask the interrupt (often a no-op) */
230 call_status = rtas_call(ibm_int_on, 1, 1, NULL, irq); 230 call_status = rtas_call(ibm_int_on, 1, 1, NULL, hwirq);
231 if (call_status != 0) { 231 if (call_status != 0) {
232 printk(KERN_ERR "%s: ibm_int_on irq=%u returned %d\n", 232 printk(KERN_ERR "%s: ibm_int_on irq=%u returned %d\n",
233 __func__, irq, call_status); 233 __func__, hwirq, call_status);
234 return; 234 return;
235 } 235 }
236} 236}
@@ -250,46 +250,46 @@ static unsigned int xics_startup(struct irq_data *d)
250 return 0; 250 return 0;
251} 251}
252 252
253static void xics_mask_real_irq(struct irq_data *d) 253static void xics_mask_real_irq(unsigned int hwirq)
254{ 254{
255 int call_status; 255 int call_status;
256 256
257 if (d->irq == XICS_IPI) 257 if (hwirq == XICS_IPI)
258 return; 258 return;
259 259
260 call_status = rtas_call(ibm_int_off, 1, 1, NULL, d->irq); 260 call_status = rtas_call(ibm_int_off, 1, 1, NULL, hwirq);
261 if (call_status != 0) { 261 if (call_status != 0) {
262 printk(KERN_ERR "%s: ibm_int_off irq=%u returned %d\n", 262 printk(KERN_ERR "%s: ibm_int_off irq=%u returned %d\n",
263 __func__, d->irq, call_status); 263 __func__, hwirq, call_status);
264 return; 264 return;
265 } 265 }
266 266
267 /* Have to set XIVE to 0xff to be able to remove a slot */ 267 /* Have to set XIVE to 0xff to be able to remove a slot */
268 call_status = rtas_call(ibm_set_xive, 3, 1, NULL, d->irq, 268 call_status = rtas_call(ibm_set_xive, 3, 1, NULL, hwirq,
269 default_server, 0xff); 269 default_server, 0xff);
270 if (call_status != 0) { 270 if (call_status != 0) {
271 printk(KERN_ERR "%s: ibm_set_xive(0xff) irq=%u returned %d\n", 271 printk(KERN_ERR "%s: ibm_set_xive(0xff) irq=%u returned %d\n",
272 __func__, d->irq, call_status); 272 __func__, hwirq, call_status);
273 return; 273 return;
274 } 274 }
275} 275}
276 276
277static void xics_mask_irq(struct irq_data *d) 277static void xics_mask_irq(struct irq_data *d)
278{ 278{
279 unsigned int irq; 279 unsigned int hwirq;
280 280
281 pr_devel("xics: mask virq %d\n", d->irq); 281 pr_devel("xics: mask virq %d\n", d->irq);
282 282
283 irq = (unsigned int)irq_map[d->irq].hwirq; 283 hwirq = (unsigned int)irq_map[d->irq].hwirq;
284 if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) 284 if (hwirq == XICS_IPI || hwirq == XICS_IRQ_SPURIOUS)
285 return; 285 return;
286 xics_mask_real_irq(d); 286 xics_mask_real_irq(hwirq);
287} 287}
288 288
289static void xics_mask_unknown_vec(unsigned int vec) 289static void xics_mask_unknown_vec(unsigned int vec)
290{ 290{
291 printk(KERN_ERR "Interrupt %u (real) is invalid, disabling it.\n", vec); 291 printk(KERN_ERR "Interrupt %u (real) is invalid, disabling it.\n", vec);
292 xics_mask_real_irq(irq_get_irq_data(vec)); 292 xics_mask_real_irq(vec);
293} 293}
294 294
295static inline unsigned int xics_xirr_vector(unsigned int xirr) 295static inline unsigned int xics_xirr_vector(unsigned int xirr)
@@ -373,37 +373,37 @@ static unsigned char pop_cppr(void)
373 373
374static void xics_eoi_direct(struct irq_data *d) 374static void xics_eoi_direct(struct irq_data *d)
375{ 375{
376 unsigned int irq = (unsigned int)irq_map[d->irq].hwirq; 376 unsigned int hwirq = (unsigned int)irq_map[d->irq].hwirq;
377 377
378 iosync(); 378 iosync();
379 direct_xirr_info_set((pop_cppr() << 24) | irq); 379 direct_xirr_info_set((pop_cppr() << 24) | hwirq);
380} 380}
381 381
382static void xics_eoi_lpar(struct irq_data *d) 382static void xics_eoi_lpar(struct irq_data *d)
383{ 383{
384 unsigned int irq = (unsigned int)irq_map[d->irq].hwirq; 384 unsigned int hwirq = (unsigned int)irq_map[d->irq].hwirq;
385 385
386 iosync(); 386 iosync();
387 lpar_xirr_info_set((pop_cppr() << 24) | irq); 387 lpar_xirr_info_set((pop_cppr() << 24) | hwirq);
388} 388}
389 389
390static int 390static int
391xics_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool force) 391xics_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool force)
392{ 392{
393 unsigned int irq; 393 unsigned int hwirq;
394 int status; 394 int status;
395 int xics_status[2]; 395 int xics_status[2];
396 int irq_server; 396 int irq_server;
397 397
398 irq = (unsigned int)irq_map[d->irq].hwirq; 398 hwirq = (unsigned int)irq_map[d->irq].hwirq;
399 if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) 399 if (hwirq == XICS_IPI || hwirq == XICS_IRQ_SPURIOUS)
400 return -1; 400 return -1;
401 401
402 status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq); 402 status = rtas_call(ibm_get_xive, 1, 3, xics_status, hwirq);
403 403
404 if (status) { 404 if (status) {
405 printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n", 405 printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n",
406 __func__, irq, status); 406 __func__, hwirq, status);
407 return -1; 407 return -1;
408 } 408 }
409 409
@@ -418,11 +418,11 @@ xics_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool force)
418 } 418 }
419 419
420 status = rtas_call(ibm_set_xive, 3, 1, NULL, 420 status = rtas_call(ibm_set_xive, 3, 1, NULL,
421 irq, irq_server, xics_status[1]); 421 hwirq, irq_server, xics_status[1]);
422 422
423 if (status) { 423 if (status) {
424 printk(KERN_ERR "%s: ibm,set-xive irq=%u returns %d\n", 424 printk(KERN_ERR "%s: ibm,set-xive irq=%u returns %d\n",
425 __func__, irq, status); 425 __func__, hwirq, status);
426 return -1; 426 return -1;
427 } 427 }
428 428
@@ -874,7 +874,7 @@ void xics_kexec_teardown_cpu(int secondary)
874void xics_migrate_irqs_away(void) 874void xics_migrate_irqs_away(void)
875{ 875{
876 int cpu = smp_processor_id(), hw_cpu = hard_smp_processor_id(); 876 int cpu = smp_processor_id(), hw_cpu = hard_smp_processor_id();
877 unsigned int irq, virq; 877 int virq;
878 878
879 /* If we used to be the default server, move to the new "boot_cpuid" */ 879 /* If we used to be the default server, move to the new "boot_cpuid" */
880 if (hw_cpu == default_server) 880 if (hw_cpu == default_server)
@@ -892,6 +892,7 @@ void xics_migrate_irqs_away(void)
892 for_each_irq(virq) { 892 for_each_irq(virq) {
893 struct irq_desc *desc; 893 struct irq_desc *desc;
894 struct irq_chip *chip; 894 struct irq_chip *chip;
895 unsigned int hwirq;
895 int xics_status[2]; 896 int xics_status[2];
896 int status; 897 int status;
897 unsigned long flags; 898 unsigned long flags;
@@ -901,9 +902,9 @@ void xics_migrate_irqs_away(void)
901 continue; 902 continue;
902 if (irq_map[virq].host != xics_host) 903 if (irq_map[virq].host != xics_host)
903 continue; 904 continue;
904 irq = (unsigned int)irq_map[virq].hwirq; 905 hwirq = (unsigned int)irq_map[virq].hwirq;
905 /* We need to get IPIs still. */ 906 /* We need to get IPIs still. */
906 if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) 907 if (hwirq == XICS_IPI || hwirq == XICS_IRQ_SPURIOUS)
907 continue; 908 continue;
908 909
909 desc = irq_to_desc(virq); 910 desc = irq_to_desc(virq);
@@ -918,10 +919,10 @@ void xics_migrate_irqs_away(void)
918 919
919 raw_spin_lock_irqsave(&desc->lock, flags); 920 raw_spin_lock_irqsave(&desc->lock, flags);
920 921
921 status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq); 922 status = rtas_call(ibm_get_xive, 1, 3, xics_status, hwirq);
922 if (status) { 923 if (status) {
923 printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n", 924 printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n",
924 __func__, irq, status); 925 __func__, hwirq, status);
925 goto unlock; 926 goto unlock;
926 } 927 }
927 928
diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c
index f550e23632f8..a88800ff4d01 100644
--- a/arch/powerpc/sysdev/mpc8xx_pic.c
+++ b/arch/powerpc/sysdev/mpc8xx_pic.c
@@ -80,7 +80,7 @@ static int mpc8xx_set_irq_type(struct irq_data *d, unsigned int flow_type)
80 if ((hw & 1) == 0) { 80 if ((hw & 1) == 0) {
81 siel |= (0x80000000 >> hw); 81 siel |= (0x80000000 >> hw);
82 out_be32(&siu_reg->sc_siel, siel); 82 out_be32(&siu_reg->sc_siel, siel);
83 __irq_set_handler_locked(irq, handle_edge_irq); 83 __irq_set_handler_locked(d->irq, handle_edge_irq);
84 } 84 }
85 } 85 }
86 return 0; 86 return 0;
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-08 14:59:07 -0500