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authorLinus Torvalds <torvalds@linux-foundation.org>2008-02-01 10:15:32 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-02-01 10:15:32 +1100
commitfcc3ff4f9d695a80dc6e6058e0d631a3026ed4c3 (patch)
tree050a81468f8644cfb0f3c07a140456c136301a30 /arch/x86/kernel/cpu
parente95035c61a4c3dae1aa543a5bf5b39846daca061 (diff)
parent62152d0ea7012382cd814c7b361b4ef2029f26e6 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: asm-generic/tlb.h: build fix x86: uninline __pte_free_tlb() and __pmd_free_tlb() x86: fix small sparse warning x86: fix sparse warning in kernel/scx200_32.c x86: early_ioremap_reset fix 2 x86: c_p_a clflush_cache_range fix x86: change_page_attr_clear fix x86: fix sparse warnings in intel_cacheinfo.c
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r--arch/x86/kernel/cpu/common.c5
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c6
2 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index db28aa9e2f6..d608c9ebbfe 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -274,8 +274,10 @@ void __init cpu_detect(struct cpuinfo_x86 *c)
if (c->x86 >= 0x6)
c->x86_model += ((tfms >> 16) & 0xF) << 4;
c->x86_mask = tfms & 15;
- if (cap0 & (1<<19))
+ if (cap0 & (1<<19)) {
c->x86_cache_alignment = ((misc >> 8) & 0xff) * 8;
+ c->x86_clflush_size = ((misc >> 8) & 0xff) * 8;
+ }
}
}
static void __cpuinit early_get_cap(struct cpuinfo_x86 *c)
@@ -317,6 +319,7 @@ static void __init early_cpu_detect(void)
struct cpuinfo_x86 *c = &boot_cpu_data;
c->x86_cache_alignment = 32;
+ c->x86_clflush_size = 32;
if (!have_cpuid_p())
return;
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 8b4507b8469..1b889860eb7 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -352,8 +352,8 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
*/
if ((num_cache_leaves == 0 || c->x86 == 15) && c->cpuid_level > 1) {
/* supports eax=2 call */
- int i, j, n;
- int regs[4];
+ int j, n;
+ unsigned int regs[4];
unsigned char *dp = (unsigned char *)regs;
int only_trace = 0;
@@ -368,7 +368,7 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
/* If bit 31 is set, this is an unknown format */
for ( j = 0 ; j < 3 ; j++ ) {
- if ( regs[j] < 0 ) regs[j] = 0;
+ if (regs[j] & (1 << 31)) regs[j] = 0;
}
/* Byte 0 is level count, not a descriptor */