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authorLinus Torvalds <torvalds@linux-foundation.org>2012-08-03 17:10:00 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-08-03 17:10:00 -0400
commitd8579fd834de224d2833ce2e82e0f691cc67e8f7 (patch)
tree4427904f275fa4520faa97e76568285695a83936 /arch
parentd42d1dabf34bdd5ad832cb56a7338817aad8a052 (diff)
parent9d0b01a1bbb7a4ad23000240b67bca33c4235fcf (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull ACPI and power management fixes from Len Brown: "A 3.3 sleep regression fixed, numa bugfix, plus some minor cleanups" * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: ACPI processor: Fix tick_broadcast_mask online/offline regression ACPI: Only count valid srat memory structures ACPI: Untangle a return statement for better readability ACPI / PCI: Do not try to acquire _OSC control if that is hopeless ACPI: delete _GTS/_BFS support ACPI/x86: revert 'x86, acpi: Call acpi_enter_sleep_state via an asmlinkage C function from assembler' ACPI: replace strlen("string") with sizeof("string") -1 ACPI / PM: Fix build warning in sleep.c for CONFIG_ACPI_SLEEP unset
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/kernel/acpi.c5
-rw-r--r--arch/x86/kernel/acpi/sleep.c4
-rw-r--r--arch/x86/kernel/acpi/sleep.h2
-rw-r--r--arch/x86/kernel/acpi/wakeup_32.S4
-rw-r--r--arch/x86/kernel/acpi/wakeup_64.S4
-rw-r--r--arch/x86/mm/srat.c15
6 files changed, 17 insertions, 17 deletions
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 6f38b6120d9..440578850ae 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -497,7 +497,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
497 srat_num_cpus++; 497 srat_num_cpus++;
498} 498}
499 499
500void __init 500int __init
501acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) 501acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
502{ 502{
503 unsigned long paddr, size; 503 unsigned long paddr, size;
@@ -512,7 +512,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
512 512
513 /* Ignore disabled entries */ 513 /* Ignore disabled entries */
514 if (!(ma->flags & ACPI_SRAT_MEM_ENABLED)) 514 if (!(ma->flags & ACPI_SRAT_MEM_ENABLED))
515 return; 515 return -1;
516 516
517 /* record this node in proximity bitmap */ 517 /* record this node in proximity bitmap */
518 pxm_bit_set(pxm); 518 pxm_bit_set(pxm);
@@ -531,6 +531,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
531 p->size = size; 531 p->size = size;
532 p->nid = pxm; 532 p->nid = pxm;
533 num_node_memblks++; 533 num_node_memblks++;
534 return 0;
534} 535}
535 536
536void __init acpi_numa_arch_fixup(void) 537void __init acpi_numa_arch_fixup(void)
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 95bf99de905..1b8e5a03d94 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -25,10 +25,6 @@ unsigned long acpi_realmode_flags;
25static char temp_stack[4096]; 25static char temp_stack[4096];
26#endif 26#endif
27 27
28asmlinkage void acpi_enter_s3(void)
29{
30 acpi_enter_sleep_state(3, wake_sleep_flags);
31}
32/** 28/**
33 * acpi_suspend_lowlevel - save kernel state 29 * acpi_suspend_lowlevel - save kernel state
34 * 30 *
diff --git a/arch/x86/kernel/acpi/sleep.h b/arch/x86/kernel/acpi/sleep.h
index 5653a5791ec..67f59f8c695 100644
--- a/arch/x86/kernel/acpi/sleep.h
+++ b/arch/x86/kernel/acpi/sleep.h
@@ -2,7 +2,6 @@
2 * Variables and functions used by the code in sleep.c 2 * Variables and functions used by the code in sleep.c
3 */ 3 */
4 4
5#include <linux/linkage.h>
6#include <asm/realmode.h> 5#include <asm/realmode.h>
7 6
8extern unsigned long saved_video_mode; 7extern unsigned long saved_video_mode;
@@ -11,7 +10,6 @@ extern long saved_magic;
11extern int wakeup_pmode_return; 10extern int wakeup_pmode_return;
12 11
13extern u8 wake_sleep_flags; 12extern u8 wake_sleep_flags;
14extern asmlinkage void acpi_enter_s3(void);
15 13
16extern unsigned long acpi_copy_wakeup_routine(unsigned long); 14extern unsigned long acpi_copy_wakeup_routine(unsigned long);
17extern void wakeup_long64(void); 15extern void wakeup_long64(void);
diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S
index 72610839f03..13ab720573e 100644
--- a/arch/x86/kernel/acpi/wakeup_32.S
+++ b/arch/x86/kernel/acpi/wakeup_32.S
@@ -74,7 +74,9 @@ restore_registers:
74ENTRY(do_suspend_lowlevel) 74ENTRY(do_suspend_lowlevel)
75 call save_processor_state 75 call save_processor_state
76 call save_registers 76 call save_registers
77 call acpi_enter_s3 77 pushl $3
78 call acpi_enter_sleep_state
79 addl $4, %esp
78 80
79# In case of S3 failure, we'll emerge here. Jump 81# In case of S3 failure, we'll emerge here. Jump
80# to ret_point to recover 82# to ret_point to recover
diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S
index 014d1d28c39..8ea5164cbd0 100644
--- a/arch/x86/kernel/acpi/wakeup_64.S
+++ b/arch/x86/kernel/acpi/wakeup_64.S
@@ -71,7 +71,9 @@ ENTRY(do_suspend_lowlevel)
71 movq %rsi, saved_rsi 71 movq %rsi, saved_rsi
72 72
73 addq $8, %rsp 73 addq $8, %rsp
74 call acpi_enter_s3 74 movl $3, %edi
75 xorl %eax, %eax
76 call acpi_enter_sleep_state
75 /* in case something went wrong, restore the machine status and go on */ 77 /* in case something went wrong, restore the machine status and go on */
76 jmp resume_point 78 jmp resume_point
77 79
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 4599c3e8bcb..4ddf497ca65 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -142,23 +142,23 @@ static inline int save_add_info(void) {return 0;}
142#endif 142#endif
143 143
144/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */ 144/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
145void __init 145int __init
146acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) 146acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
147{ 147{
148 u64 start, end; 148 u64 start, end;
149 int node, pxm; 149 int node, pxm;
150 150
151 if (srat_disabled()) 151 if (srat_disabled())
152 return; 152 return -1;
153 if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) { 153 if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) {
154 bad_srat(); 154 bad_srat();
155 return; 155 return -1;
156 } 156 }
157 if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0) 157 if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0)
158 return; 158 return -1;
159 159
160 if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info()) 160 if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info())
161 return; 161 return -1;
162 start = ma->base_address; 162 start = ma->base_address;
163 end = start + ma->length; 163 end = start + ma->length;
164 pxm = ma->proximity_domain; 164 pxm = ma->proximity_domain;
@@ -168,12 +168,12 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
168 if (node < 0) { 168 if (node < 0) {
169 printk(KERN_ERR "SRAT: Too many proximity domains.\n"); 169 printk(KERN_ERR "SRAT: Too many proximity domains.\n");
170 bad_srat(); 170 bad_srat();
171 return; 171 return -1;
172 } 172 }
173 173
174 if (numa_add_memblk(node, start, end) < 0) { 174 if (numa_add_memblk(node, start, end) < 0) {
175 bad_srat(); 175 bad_srat();
176 return; 176 return -1;
177 } 177 }
178 178
179 node_set(node, numa_nodes_parsed); 179 node_set(node, numa_nodes_parsed);
@@ -181,6 +181,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
181 printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]\n", 181 printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]\n",
182 node, pxm, 182 node, pxm,
183 (unsigned long long) start, (unsigned long long) end - 1); 183 (unsigned long long) start, (unsigned long long) end - 1);
184 return 0;
184} 185}
185 186
186void __init acpi_numa_arch_fixup(void) {} 187void __init acpi_numa_arch_fixup(void) {}