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-rw-r--r--arch/powerpc/Kconfig1
-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/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/smp.c153
-rw-r--r--arch/powerpc/kernel/time.c17
-rw-r--r--arch/powerpc/mm/dma-noncoherent.c20
-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/smp.c4
-rw-r--r--arch/powerpc/platforms/pseries/xics.c71
-rw-r--r--arch/powerpc/sysdev/mpc8xx_pic.c2
44 files changed, 399 insertions, 258 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/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/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/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/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/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 0317cce877c6..d6479f9738f0 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
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 2024-11-16 09:14:21 -0500