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-rw-r--r--arch/alpha/kernel/vmlinux.lds.S14
-rw-r--r--arch/mips/Kconfig2
-rw-r--r--arch/mips/kernel/cevt-txx9.c3
-rw-r--r--arch/mips/mm/c-r3k.c6
-rw-r--r--arch/mips/mm/page.c61
-rw-r--r--arch/mips/mm/sc-rm7k.c4
-rw-r--r--arch/mips/sgi-ip32/ip32-irq.c5
-rw-r--r--arch/mn10300/kernel/mn10300_ksyms.c5
-rw-r--r--arch/mn10300/kernel/process.c1
-rw-r--r--arch/mn10300/lib/Makefile2
-rw-r--r--arch/mn10300/lib/__ucmpdi2.S43
-rw-r--r--arch/powerpc/kernel/legacy_serial.c5
-rw-r--r--arch/powerpc/kernel/of_platform.c2
-rw-r--r--arch/um/Makefile1
-rw-r--r--arch/um/Makefile-i3867
-rw-r--r--arch/um/Makefile-x86_643
-rw-r--r--arch/x86/kernel/.gitignore1
-rw-r--r--arch/x86/kernel/acpi/realmode/wakeup.S38
-rw-r--r--arch/x86/kernel/acpi/realmode/wakeup.h5
-rw-r--r--arch/x86/kernel/acpi/sleep.c16
-rw-r--r--arch/x86/kernel/efi_32.c8
-rw-r--r--arch/x86/kernel/head_64.S2
-rw-r--r--arch/x86/mm/init_64.c7
-rw-r--r--arch/x86/mm/ioremap.c25
-rw-r--r--arch/x86/pci/common.c8
-rw-r--r--arch/x86/xen/mmu.c4
26 files changed, 215 insertions, 63 deletions
diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S
index f13249be17c5..ef37fc1acaea 100644
--- a/arch/alpha/kernel/vmlinux.lds.S
+++ b/arch/alpha/kernel/vmlinux.lds.S
@@ -25,6 +25,13 @@ SECTIONS
25 } :kernel 25 } :kernel
26 _etext = .; /* End of text section */ 26 _etext = .; /* End of text section */
27 27
28 NOTES :kernel :note
29 .dummy : {
30 *(.dummy)
31 } :kernel
32
33 RODATA
34
28 /* Exception table */ 35 /* Exception table */
29 . = ALIGN(16); 36 . = ALIGN(16);
30 __ex_table : { 37 __ex_table : {
@@ -33,13 +40,6 @@ SECTIONS
33 __stop___ex_table = .; 40 __stop___ex_table = .;
34 } 41 }
35 42
36 NOTES :kernel :note
37 .dummy : {
38 *(.dummy)
39 } :kernel
40
41 RODATA
42
43 /* Will be freed after init */ 43 /* Will be freed after init */
44 . = ALIGN(PAGE_SIZE); 44 . = ALIGN(PAGE_SIZE);
45 /* Init code and data */ 45 /* Init code and data */
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index e5a7c5d96364..24c5dee91768 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1006,7 +1006,7 @@ config BOOT_ELF32
1006config MIPS_L1_CACHE_SHIFT 1006config MIPS_L1_CACHE_SHIFT
1007 int 1007 int
1008 default "4" if MACH_DECSTATION 1008 default "4" if MACH_DECSTATION
1009 default "7" if SGI_IP27 || SGI_IP28 || SNI_RM 1009 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM
1010 default "4" if PMC_MSP4200_EVAL 1010 default "4" if PMC_MSP4200_EVAL
1011 default "5" 1011 default "5"
1012 1012
diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c
index 795cb8fb0d74..b5fc4eb412d2 100644
--- a/arch/mips/kernel/cevt-txx9.c
+++ b/arch/mips/kernel/cevt-txx9.c
@@ -161,6 +161,9 @@ void __init txx9_tmr_init(unsigned long baseaddr)
161 struct txx9_tmr_reg __iomem *tmrptr; 161 struct txx9_tmr_reg __iomem *tmrptr;
162 162
163 tmrptr = ioremap(baseaddr, sizeof(struct txx9_tmr_reg)); 163 tmrptr = ioremap(baseaddr, sizeof(struct txx9_tmr_reg));
164 /* Start once to make CounterResetEnable effective */
165 __raw_writel(TXx9_TMTCR_CRE | TXx9_TMTCR_TCE, &tmrptr->tcr);
166 /* Stop and reset the counter */
164 __raw_writel(TXx9_TMTCR_CRE, &tmrptr->tcr); 167 __raw_writel(TXx9_TMTCR_CRE, &tmrptr->tcr);
165 __raw_writel(0, &tmrptr->tisr); 168 __raw_writel(0, &tmrptr->tisr);
166 __raw_writel(0xffffffff, &tmrptr->cpra); 169 __raw_writel(0xffffffff, &tmrptr->cpra);
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index 76935e320214..27a5b466c85c 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -26,7 +26,7 @@
26static unsigned long icache_size, dcache_size; /* Size in bytes */ 26static unsigned long icache_size, dcache_size; /* Size in bytes */
27static unsigned long icache_lsize, dcache_lsize; /* Size in bytes */ 27static unsigned long icache_lsize, dcache_lsize; /* Size in bytes */
28 28
29unsigned long __init r3k_cache_size(unsigned long ca_flags) 29unsigned long __cpuinit r3k_cache_size(unsigned long ca_flags)
30{ 30{
31 unsigned long flags, status, dummy, size; 31 unsigned long flags, status, dummy, size;
32 volatile unsigned long *p; 32 volatile unsigned long *p;
@@ -61,7 +61,7 @@ unsigned long __init r3k_cache_size(unsigned long ca_flags)
61 return size * sizeof(*p); 61 return size * sizeof(*p);
62} 62}
63 63
64unsigned long __init r3k_cache_lsize(unsigned long ca_flags) 64unsigned long __cpuinit r3k_cache_lsize(unsigned long ca_flags)
65{ 65{
66 unsigned long flags, status, lsize, i; 66 unsigned long flags, status, lsize, i;
67 volatile unsigned long *p; 67 volatile unsigned long *p;
@@ -90,7 +90,7 @@ unsigned long __init r3k_cache_lsize(unsigned long ca_flags)
90 return lsize * sizeof(*p); 90 return lsize * sizeof(*p);
91} 91}
92 92
93static void __init r3k_probe_cache(void) 93static void __cpuinit r3k_probe_cache(void)
94{ 94{
95 dcache_size = r3k_cache_size(ST0_ISC); 95 dcache_size = r3k_cache_size(ST0_ISC);
96 if (dcache_size) 96 if (dcache_size)
diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c
index 1edf0cbbeede..1417c6494858 100644
--- a/arch/mips/mm/page.c
+++ b/arch/mips/mm/page.c
@@ -235,13 +235,12 @@ static void __cpuinit set_prefetch_parameters(void)
235 } 235 }
236 /* 236 /*
237 * Too much unrolling will overflow the available space in 237 * Too much unrolling will overflow the available space in
238 * clear_space_array / copy_page_array. 8 words sounds generous, 238 * clear_space_array / copy_page_array.
239 * but a R4000 with 128 byte L2 line length can exceed even that.
240 */ 239 */
241 half_clear_loop_size = min(8 * clear_word_size, 240 half_clear_loop_size = min(16 * clear_word_size,
242 max(cache_line_size >> 1, 241 max(cache_line_size >> 1,
243 4 * clear_word_size)); 242 4 * clear_word_size));
244 half_copy_loop_size = min(8 * copy_word_size, 243 half_copy_loop_size = min(16 * copy_word_size,
245 max(cache_line_size >> 1, 244 max(cache_line_size >> 1,
246 4 * copy_word_size)); 245 4 * copy_word_size));
247} 246}
@@ -263,21 +262,23 @@ static inline void __cpuinit build_clear_pref(u32 **buf, int off)
263 if (pref_bias_clear_store) { 262 if (pref_bias_clear_store) {
264 uasm_i_pref(buf, pref_dst_mode, pref_bias_clear_store + off, 263 uasm_i_pref(buf, pref_dst_mode, pref_bias_clear_store + off,
265 A0); 264 A0);
266 } else if (cpu_has_cache_cdex_s) { 265 } else if (cache_line_size == (half_clear_loop_size << 1)) {
267 uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0); 266 if (cpu_has_cache_cdex_s) {
268 } else if (cpu_has_cache_cdex_p) { 267 uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0);
269 if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) { 268 } else if (cpu_has_cache_cdex_p) {
270 uasm_i_nop(buf); 269 if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) {
271 uasm_i_nop(buf); 270 uasm_i_nop(buf);
272 uasm_i_nop(buf); 271 uasm_i_nop(buf);
273 uasm_i_nop(buf); 272 uasm_i_nop(buf);
274 } 273 uasm_i_nop(buf);
274 }
275 275
276 if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) 276 if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
277 uasm_i_lw(buf, ZERO, ZERO, AT); 277 uasm_i_lw(buf, ZERO, ZERO, AT);
278 278
279 uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0); 279 uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0);
280 } 280 }
281 }
281} 282}
282 283
283void __cpuinit build_clear_page(void) 284void __cpuinit build_clear_page(void)
@@ -403,20 +404,22 @@ static inline void build_copy_store_pref(u32 **buf, int off)
403 if (pref_bias_copy_store) { 404 if (pref_bias_copy_store) {
404 uasm_i_pref(buf, pref_dst_mode, pref_bias_copy_store + off, 405 uasm_i_pref(buf, pref_dst_mode, pref_bias_copy_store + off,
405 A0); 406 A0);
406 } else if (cpu_has_cache_cdex_s) { 407 } else if (cache_line_size == (half_copy_loop_size << 1)) {
407 uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0); 408 if (cpu_has_cache_cdex_s) {
408 } else if (cpu_has_cache_cdex_p) { 409 uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0);
409 if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) { 410 } else if (cpu_has_cache_cdex_p) {
410 uasm_i_nop(buf); 411 if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) {
411 uasm_i_nop(buf); 412 uasm_i_nop(buf);
412 uasm_i_nop(buf); 413 uasm_i_nop(buf);
413 uasm_i_nop(buf); 414 uasm_i_nop(buf);
414 } 415 uasm_i_nop(buf);
416 }
415 417
416 if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) 418 if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x())
417 uasm_i_lw(buf, ZERO, ZERO, AT); 419 uasm_i_lw(buf, ZERO, ZERO, AT);
418 420
419 uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0); 421 uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0);
422 }
420 } 423 }
421} 424}
422 425
diff --git a/arch/mips/mm/sc-rm7k.c b/arch/mips/mm/sc-rm7k.c
index fc227f3b1199..e3abfb2d7e86 100644
--- a/arch/mips/mm/sc-rm7k.c
+++ b/arch/mips/mm/sc-rm7k.c
@@ -86,7 +86,7 @@ static void rm7k_sc_inv(unsigned long addr, unsigned long size)
86/* 86/*
87 * This function is executed in uncached address space. 87 * This function is executed in uncached address space.
88 */ 88 */
89static __init void __rm7k_sc_enable(void) 89static __cpuinit void __rm7k_sc_enable(void)
90{ 90{
91 int i; 91 int i;
92 92
@@ -107,7 +107,7 @@ static __init void __rm7k_sc_enable(void)
107 } 107 }
108} 108}
109 109
110static __init void rm7k_sc_enable(void) 110static __cpuinit void rm7k_sc_enable(void)
111{ 111{
112 if (read_c0_config() & RM7K_CONF_SE) 112 if (read_c0_config() & RM7K_CONF_SE)
113 return; 113 return;
diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index b0ea0e43ba48..0d6b6663d5f6 100644
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -425,6 +425,11 @@ static void ip32_irq0(void)
425 BUILD_BUG_ON(MACEISA_SERIAL2_RDMAOR_IRQ - MACEISA_AUDIO_SW_IRQ != 31); 425 BUILD_BUG_ON(MACEISA_SERIAL2_RDMAOR_IRQ - MACEISA_AUDIO_SW_IRQ != 31);
426 426
427 crime_int = crime->istat & crime_mask; 427 crime_int = crime->istat & crime_mask;
428
429 /* crime sometime delivers spurious interrupts, ignore them */
430 if (unlikely(crime_int == 0))
431 return;
432
428 irq = MACE_VID_IN1_IRQ + __ffs(crime_int); 433 irq = MACE_VID_IN1_IRQ + __ffs(crime_int);
429 434
430 if (crime_int & CRIME_MACEISA_INT_MASK) { 435 if (crime_int & CRIME_MACEISA_INT_MASK) {
diff --git a/arch/mn10300/kernel/mn10300_ksyms.c b/arch/mn10300/kernel/mn10300_ksyms.c
index 6d19628634e3..f9eb9753a404 100644
--- a/arch/mn10300/kernel/mn10300_ksyms.c
+++ b/arch/mn10300/kernel/mn10300_ksyms.c
@@ -10,8 +10,11 @@
10 */ 10 */
11#include <linux/module.h> 11#include <linux/module.h>
12#include <asm/uaccess.h> 12#include <asm/uaccess.h>
13#include <asm/pgtable.h>
13 14
14 15
16EXPORT_SYMBOL(empty_zero_page);
17
15EXPORT_SYMBOL(change_bit); 18EXPORT_SYMBOL(change_bit);
16EXPORT_SYMBOL(test_and_change_bit); 19EXPORT_SYMBOL(test_and_change_bit);
17 20
@@ -31,7 +34,9 @@ extern u64 __ashrdi3(u64, unsigned);
31extern u64 __ashldi3(u64, unsigned); 34extern u64 __ashldi3(u64, unsigned);
32extern u64 __lshrdi3(u64, unsigned); 35extern u64 __lshrdi3(u64, unsigned);
33extern s64 __negdi2(s64); 36extern s64 __negdi2(s64);
37extern int __ucmpdi2(u64, u64);
34EXPORT_SYMBOL(__ashrdi3); 38EXPORT_SYMBOL(__ashrdi3);
35EXPORT_SYMBOL(__ashldi3); 39EXPORT_SYMBOL(__ashldi3);
36EXPORT_SYMBOL(__lshrdi3); 40EXPORT_SYMBOL(__lshrdi3);
37EXPORT_SYMBOL(__negdi2); 41EXPORT_SYMBOL(__negdi2);
42EXPORT_SYMBOL(__ucmpdi2);
diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index 9c623c88387b..b28c9a60445b 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -153,6 +153,7 @@ int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
153 return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs, 0, 153 return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs, 0,
154 NULL, NULL); 154 NULL, NULL);
155} 155}
156EXPORT_SYMBOL(kernel_thread);
156 157
157/* 158/*
158 * free current thread data structures etc.. 159 * free current thread data structures etc..
diff --git a/arch/mn10300/lib/Makefile b/arch/mn10300/lib/Makefile
index fdfa9ec5b5bb..0cd2346f4c13 100644
--- a/arch/mn10300/lib/Makefile
+++ b/arch/mn10300/lib/Makefile
@@ -4,4 +4,4 @@
4 4
5lib-y = delay.o usercopy.o checksum.o bitops.o memcpy.o memmove.o memset.o 5lib-y = delay.o usercopy.o checksum.o bitops.o memcpy.o memmove.o memset.o
6lib-y += do_csum.o 6lib-y += do_csum.o
7lib-y += __ashldi3.o __ashrdi3.o __lshrdi3.o negdi2.o 7lib-y += __ashldi3.o __ashrdi3.o __lshrdi3.o negdi2.o __ucmpdi2.o
diff --git a/arch/mn10300/lib/__ucmpdi2.S b/arch/mn10300/lib/__ucmpdi2.S
new file mode 100644
index 000000000000..60dcbdfe386c
--- /dev/null
+++ b/arch/mn10300/lib/__ucmpdi2.S
@@ -0,0 +1,43 @@
1/* __ucmpdi2.S: 64-bit unsigned compare
2 *
3 * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12
13 .text
14 .p2align 4
15
16###############################################################################
17#
18# int __ucmpdi2(unsigned long long a [D0:D1],
19# unsigned long long b [(SP,12),(SP,16)])
20#
21# - returns 0, 1, or 2 as a <, =, > b respectively.
22#
23###############################################################################
24 .globl __ucmpdi2
25 .type __ucmpdi2,@function
26__ucmpdi2:
27 mov (12,sp),a0 # b.lsw
28 mov (16,sp),a1 # b.msw
29
30 sub a0,d0
31 subc a1,d1 # may clear Z, never sets it
32 bne __ucmpdi2_differ # a.msw != b.msw
33 mov +1,d0
34 rets
35
36__ucmpdi2_differ:
37 # C flag is set if LE, clear if GE
38 subc d0,d0 # -1 if LE, 0 if GE
39 add +1,d0 # 0 if LE, 1 if GE
40 add d0,d0 # 0 if LE, 2 if GE
41 rets
42
43 .size __ucmpdi2, .-__ucmpdi2
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index cf37f5ca4b71..4d96e1db55ee 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -33,13 +33,14 @@ static struct legacy_serial_info {
33 phys_addr_t taddr; 33 phys_addr_t taddr;
34} legacy_serial_infos[MAX_LEGACY_SERIAL_PORTS]; 34} legacy_serial_infos[MAX_LEGACY_SERIAL_PORTS];
35 35
36static struct __initdata of_device_id parents[] = { 36static struct __initdata of_device_id legacy_serial_parents[] = {
37 {.type = "soc",}, 37 {.type = "soc",},
38 {.type = "tsi-bridge",}, 38 {.type = "tsi-bridge",},
39 {.type = "opb", }, 39 {.type = "opb", },
40 {.compatible = "ibm,opb",}, 40 {.compatible = "ibm,opb",},
41 {.compatible = "simple-bus",}, 41 {.compatible = "simple-bus",},
42 {.compatible = "wrs,epld-localbus",}, 42 {.compatible = "wrs,epld-localbus",},
43 {},
43}; 44};
44 45
45static unsigned int legacy_serial_count; 46static unsigned int legacy_serial_count;
@@ -327,7 +328,7 @@ void __init find_legacy_serial_ports(void)
327 struct device_node *parent = of_get_parent(np); 328 struct device_node *parent = of_get_parent(np);
328 if (!parent) 329 if (!parent)
329 continue; 330 continue;
330 if (of_match_node(parents, parent) != NULL) { 331 if (of_match_node(legacy_serial_parents, parent) != NULL) {
331 index = add_legacy_soc_port(np, np); 332 index = add_legacy_soc_port(np, np);
332 if (index >= 0 && np == stdout) 333 if (index >= 0 && np == stdout)
333 legacy_serial_console = index; 334 legacy_serial_console = index;
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index e79ad8afda07..3f37a6e62771 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -76,6 +76,8 @@ struct of_device* of_platform_device_create(struct device_node *np,
76 return NULL; 76 return NULL;
77 77
78 dev->dma_mask = 0xffffffffUL; 78 dev->dma_mask = 0xffffffffUL;
79 dev->dev.coherent_dma_mask = DMA_32BIT_MASK;
80
79 dev->dev.bus = &of_platform_bus_type; 81 dev->dev.bus = &of_platform_bus_type;
80 82
81 /* We do not fill the DMA ops for platform devices by default. 83 /* We do not fill the DMA ops for platform devices by default.
diff --git a/arch/um/Makefile b/arch/um/Makefile
index dbeab15e7bb7..ca40397017b9 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -77,7 +77,6 @@ include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
77KERNEL_DEFINES = $(strip -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \ 77KERNEL_DEFINES = $(strip -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
78 -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES)) 78 -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES))
79KBUILD_CFLAGS += $(KERNEL_DEFINES) 79KBUILD_CFLAGS += $(KERNEL_DEFINES)
80KBUILD_CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
81 80
82PHONY += linux 81PHONY += linux
83 82
diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386
index 561e373bd850..302cbe504543 100644
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -32,4 +32,11 @@ cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
32# an unresolved reference. 32# an unresolved reference.
33cflags-y += -ffreestanding 33cflags-y += -ffreestanding
34 34
35# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
36# a lot more stack due to the lack of sharing of stacklots. Also, gcc
37# 4.3.0 needs -funit-at-a-time for extern inline functions.
38KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
39 echo $(call cc-option,-fno-unit-at-a-time); \
40 else echo $(call cc-option,-funit-at-a-time); fi ;)
41
35KBUILD_CFLAGS += $(cflags-y) 42KBUILD_CFLAGS += $(cflags-y)
diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64
index 8ed362f93582..a9cd7e77a7ab 100644
--- a/arch/um/Makefile-x86_64
+++ b/arch/um/Makefile-x86_64
@@ -21,3 +21,6 @@ HEADER_ARCH := x86
21 21
22LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64 22LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
23LINK-y += -m64 23LINK-y += -m64
24
25# Do unit-at-a-time unconditionally on x86_64, following the host
26KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
diff --git a/arch/x86/kernel/.gitignore b/arch/x86/kernel/.gitignore
index 4ea38a39aed4..08f4fd731469 100644
--- a/arch/x86/kernel/.gitignore
+++ b/arch/x86/kernel/.gitignore
@@ -1,2 +1,3 @@
1vsyscall.lds 1vsyscall.lds
2vsyscall_32.lds 2vsyscall_32.lds
3vmlinux.lds
diff --git a/arch/x86/kernel/acpi/realmode/wakeup.S b/arch/x86/kernel/acpi/realmode/wakeup.S
index f9b77fb37e5b..3355973b12ac 100644
--- a/arch/x86/kernel/acpi/realmode/wakeup.S
+++ b/arch/x86/kernel/acpi/realmode/wakeup.S
@@ -5,6 +5,7 @@
5#include <asm/msr-index.h> 5#include <asm/msr-index.h>
6#include <asm/page.h> 6#include <asm/page.h>
7#include <asm/pgtable.h> 7#include <asm/pgtable.h>
8#include <asm/processor-flags.h>
8 9
9 .code16 10 .code16
10 .section ".header", "a" 11 .section ".header", "a"
@@ -24,6 +25,11 @@ pmode_gdt: .quad 0
24realmode_flags: .long 0 25realmode_flags: .long 0
25real_magic: .long 0 26real_magic: .long 0
26trampoline_segment: .word 0 27trampoline_segment: .word 0
28_pad1: .byte 0
29wakeup_jmp: .byte 0xea /* ljmpw */
30wakeup_jmp_off: .word 3f
31wakeup_jmp_seg: .word 0
32wakeup_gdt: .quad 0, 0, 0
27signature: .long 0x51ee1111 33signature: .long 0x51ee1111
28 34
29 .text 35 .text
@@ -34,11 +40,34 @@ _start:
34 cli 40 cli
35 cld 41 cld
36 42
43 /* Apparently some dimwit BIOS programmers don't know how to
44 program a PM to RM transition, and we might end up here with
45 junk in the data segment descriptor registers. The only way
46 to repair that is to go into PM and fix it ourselves... */
47 movw $16, %cx
48 lgdtl %cs:wakeup_gdt
49 movl %cr0, %eax
50 orb $X86_CR0_PE, %al
51 movl %eax, %cr0
52 jmp 1f
531: ljmpw $8, $2f
542:
55 movw %cx, %ds
56 movw %cx, %es
57 movw %cx, %ss
58 movw %cx, %fs
59 movw %cx, %gs
60
61 andb $~X86_CR0_PE, %al
62 movl %eax, %cr0
63 jmp wakeup_jmp
643:
37 /* Set up segments */ 65 /* Set up segments */
38 movw %cs, %ax 66 movw %cs, %ax
39 movw %ax, %ds 67 movw %ax, %ds
40 movw %ax, %es 68 movw %ax, %es
41 movw %ax, %ss 69 movw %ax, %ss
70 lidtl wakeup_idt
42 71
43 movl $wakeup_stack_end, %esp 72 movl $wakeup_stack_end, %esp
44 73
@@ -98,7 +127,14 @@ bogus_real_magic:
98 jmp 1b 127 jmp 1b
99 128
100 .data 129 .data
101 .balign 4 130 .balign 8
131
132 /* This is the standard real-mode IDT */
133wakeup_idt:
134 .word 0xffff /* limit */
135 .long 0 /* address */
136 .word 0
137
102 .globl HEAP, heap_end 138 .globl HEAP, heap_end
103HEAP: 139HEAP:
104 .long wakeup_heap 140 .long wakeup_heap
diff --git a/arch/x86/kernel/acpi/realmode/wakeup.h b/arch/x86/kernel/acpi/realmode/wakeup.h
index ef8166fe8020..69d38d0b2b64 100644
--- a/arch/x86/kernel/acpi/realmode/wakeup.h
+++ b/arch/x86/kernel/acpi/realmode/wakeup.h
@@ -24,6 +24,11 @@ struct wakeup_header {
24 u32 realmode_flags; 24 u32 realmode_flags;
25 u32 real_magic; 25 u32 real_magic;
26 u16 trampoline_segment; /* segment with trampoline code, 64-bit only */ 26 u16 trampoline_segment; /* segment with trampoline code, 64-bit only */
27 u8 _pad1;
28 u8 wakeup_jmp;
29 u16 wakeup_jmp_off;
30 u16 wakeup_jmp_seg;
31 u64 wakeup_gdt[3];
27 u32 signature; /* To check we have correct structure */ 32 u32 signature; /* To check we have correct structure */
28} __attribute__((__packed__)); 33} __attribute__((__packed__));
29 34
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index afc25ee9964b..36af01f029ed 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -50,6 +50,20 @@ int acpi_save_state_mem(void)
50 50
51 header->video_mode = saved_video_mode; 51 header->video_mode = saved_video_mode;
52 52
53 header->wakeup_jmp_seg = acpi_wakeup_address >> 4;
54 /* GDT[0]: GDT self-pointer */
55 header->wakeup_gdt[0] =
56 (u64)(sizeof(header->wakeup_gdt) - 1) +
57 ((u64)(acpi_wakeup_address +
58 ((char *)&header->wakeup_gdt - (char *)acpi_realmode))
59 << 16);
60 /* GDT[1]: real-mode-like code segment */
61 header->wakeup_gdt[1] = (0x009bULL << 40) +
62 ((u64)acpi_wakeup_address << 16) + 0xffff;
63 /* GDT[2]: real-mode-like data segment */
64 header->wakeup_gdt[2] = (0x0093ULL << 40) +
65 ((u64)acpi_wakeup_address << 16) + 0xffff;
66
53#ifndef CONFIG_64BIT 67#ifndef CONFIG_64BIT
54 store_gdt((struct desc_ptr *)&header->pmode_gdt); 68 store_gdt((struct desc_ptr *)&header->pmode_gdt);
55 69
@@ -111,7 +125,7 @@ void __init acpi_reserve_bootmem(void)
111 return; 125 return;
112 } 126 }
113 127
114 acpi_wakeup_address = acpi_realmode; 128 acpi_wakeup_address = virt_to_phys((void *)acpi_realmode);
115} 129}
116 130
117 131
diff --git a/arch/x86/kernel/efi_32.c b/arch/x86/kernel/efi_32.c
index 5d23d85624d4..4b63c8e1f13b 100644
--- a/arch/x86/kernel/efi_32.c
+++ b/arch/x86/kernel/efi_32.c
@@ -49,13 +49,13 @@ void efi_call_phys_prelog(void)
49 local_irq_save(efi_rt_eflags); 49 local_irq_save(efi_rt_eflags);
50 50
51 /* 51 /*
52 * If I don't have PSE, I should just duplicate two entries in page 52 * If I don't have PAE, I should just duplicate two entries in page
53 * directory. If I have PSE, I just need to duplicate one entry in 53 * directory. If I have PAE, I just need to duplicate one entry in
54 * page directory. 54 * page directory.
55 */ 55 */
56 cr4 = read_cr4(); 56 cr4 = read_cr4();
57 57
58 if (cr4 & X86_CR4_PSE) { 58 if (cr4 & X86_CR4_PAE) {
59 efi_bak_pg_dir_pointer[0].pgd = 59 efi_bak_pg_dir_pointer[0].pgd =
60 swapper_pg_dir[pgd_index(0)].pgd; 60 swapper_pg_dir[pgd_index(0)].pgd;
61 swapper_pg_dir[0].pgd = 61 swapper_pg_dir[0].pgd =
@@ -93,7 +93,7 @@ void efi_call_phys_epilog(void)
93 93
94 cr4 = read_cr4(); 94 cr4 = read_cr4();
95 95
96 if (cr4 & X86_CR4_PSE) { 96 if (cr4 & X86_CR4_PAE) {
97 swapper_pg_dir[pgd_index(0)].pgd = 97 swapper_pg_dir[pgd_index(0)].pgd =
98 efi_bak_pg_dir_pointer[0].pgd; 98 efi_bak_pg_dir_pointer[0].pgd;
99 } else { 99 } else {
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 10a1955bb1d1..b817974ef942 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -128,7 +128,7 @@ ident_complete:
128 /* Fixup phys_base */ 128 /* Fixup phys_base */
129 addq %rbp, phys_base(%rip) 129 addq %rbp, phys_base(%rip)
130 130
131#ifdef CONFIG_SMP 131#ifdef CONFIG_X86_TRAMPOLINE
132 addq %rbp, trampoline_level4_pgt + 0(%rip) 132 addq %rbp, trampoline_level4_pgt + 0(%rip)
133 addq %rbp, trampoline_level4_pgt + (511*8)(%rip) 133 addq %rbp, trampoline_level4_pgt + (511*8)(%rip)
134#endif 134#endif
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index f6d20be7a8f4..819dad973b13 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -506,7 +506,7 @@ early_param("memtest", parse_memtest);
506 506
507static void __init early_memtest(unsigned long start, unsigned long end) 507static void __init early_memtest(unsigned long start, unsigned long end)
508{ 508{
509 unsigned long t_start, t_size; 509 u64 t_start, t_size;
510 unsigned pattern; 510 unsigned pattern;
511 511
512 if (!memtest_pattern) 512 if (!memtest_pattern)
@@ -525,8 +525,9 @@ static void __init early_memtest(unsigned long start, unsigned long end)
525 if (t_start + t_size > end) 525 if (t_start + t_size > end)
526 t_size = end - t_start; 526 t_size = end - t_start;
527 527
528 printk(KERN_CONT "\n %016lx - %016lx pattern %d", 528 printk(KERN_CONT "\n %016llx - %016llx pattern %d",
529 t_start, t_start + t_size, pattern); 529 (unsigned long long)t_start,
530 (unsigned long long)t_start + t_size, pattern);
530 531
531 memtest(t_start, t_size, pattern); 532 memtest(t_start, t_size, pattern);
532 533
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 2b2bb3f9b683..d1b867101e5f 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -300,6 +300,29 @@ void __iomem *ioremap_cache(resource_size_t phys_addr, unsigned long size)
300} 300}
301EXPORT_SYMBOL(ioremap_cache); 301EXPORT_SYMBOL(ioremap_cache);
302 302
303static void __iomem *ioremap_default(resource_size_t phys_addr,
304 unsigned long size)
305{
306 unsigned long flags;
307 void *ret;
308 int err;
309
310 /*
311 * - WB for WB-able memory and no other conflicting mappings
312 * - UC_MINUS for non-WB-able memory with no other conflicting mappings
313 * - Inherit from confliting mappings otherwise
314 */
315 err = reserve_memtype(phys_addr, phys_addr + size, -1, &flags);
316 if (err < 0)
317 return NULL;
318
319 ret = (void *) __ioremap_caller(phys_addr, size, flags,
320 __builtin_return_address(0));
321
322 free_memtype(phys_addr, phys_addr + size);
323 return (void __iomem *)ret;
324}
325
303/** 326/**
304 * iounmap - Free a IO remapping 327 * iounmap - Free a IO remapping
305 * @addr: virtual address from ioremap_* 328 * @addr: virtual address from ioremap_*
@@ -365,7 +388,7 @@ void *xlate_dev_mem_ptr(unsigned long phys)
365 if (page_is_ram(start >> PAGE_SHIFT)) 388 if (page_is_ram(start >> PAGE_SHIFT))
366 return __va(phys); 389 return __va(phys);
367 390
368 addr = (void *)ioremap(start, PAGE_SIZE); 391 addr = (void *)ioremap_default(start, PAGE_SIZE);
369 if (addr) 392 if (addr)
370 addr = (void *)((unsigned long)addr | (phys & ~PAGE_MASK)); 393 addr = (void *)((unsigned long)addr | (phys & ~PAGE_MASK));
371 394
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 940185ecaeda..6e64aaf00d1d 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -328,18 +328,18 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
328#endif 328#endif
329 { 329 {
330 .callback = set_bf_sort, 330 .callback = set_bf_sort,
331 .ident = "HP ProLiant DL360", 331 .ident = "HP ProLiant DL385 G2",
332 .matches = { 332 .matches = {
333 DMI_MATCH(DMI_SYS_VENDOR, "HP"), 333 DMI_MATCH(DMI_SYS_VENDOR, "HP"),
334 DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"), 334 DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL385 G2"),
335 }, 335 },
336 }, 336 },
337 { 337 {
338 .callback = set_bf_sort, 338 .callback = set_bf_sort,
339 .ident = "HP ProLiant DL380", 339 .ident = "HP ProLiant DL585 G2",
340 .matches = { 340 .matches = {
341 DMI_MATCH(DMI_SYS_VENDOR, "HP"), 341 DMI_MATCH(DMI_SYS_VENDOR, "HP"),
342 DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"), 342 DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL585 G2"),
343 }, 343 },
344 }, 344 },
345 {} 345 {}
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index df40bf74ea75..4e527e7893a8 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -185,7 +185,7 @@ static pteval_t pte_mfn_to_pfn(pteval_t val)
185 if (val & _PAGE_PRESENT) { 185 if (val & _PAGE_PRESENT) {
186 unsigned long mfn = (val & PTE_MASK) >> PAGE_SHIFT; 186 unsigned long mfn = (val & PTE_MASK) >> PAGE_SHIFT;
187 pteval_t flags = val & ~PTE_MASK; 187 pteval_t flags = val & ~PTE_MASK;
188 val = (mfn_to_pfn(mfn) << PAGE_SHIFT) | flags; 188 val = ((pteval_t)mfn_to_pfn(mfn) << PAGE_SHIFT) | flags;
189 } 189 }
190 190
191 return val; 191 return val;
@@ -196,7 +196,7 @@ static pteval_t pte_pfn_to_mfn(pteval_t val)
196 if (val & _PAGE_PRESENT) { 196 if (val & _PAGE_PRESENT) {
197 unsigned long pfn = (val & PTE_MASK) >> PAGE_SHIFT; 197 unsigned long pfn = (val & PTE_MASK) >> PAGE_SHIFT;
198 pteval_t flags = val & ~PTE_MASK; 198 pteval_t flags = val & ~PTE_MASK;
199 val = (pfn_to_mfn(pfn) << PAGE_SHIFT) | flags; 199 val = ((pteval_t)pfn_to_mfn(pfn) << PAGE_SHIFT) | flags;
200 } 200 }
201 201
202 return val; 202 return val;
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-24 15:35:07 -0500