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Merge branch 'linus' into perfcounters/core

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Merge reason: merge almost-rc8 into perfcounters/core, which was -rc6
              based - to pick up the latest upstream fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2009-06-01 10:01:03 +02:00
parent 27b9613b7b 3218911f83
commit 23db9f430b
347 changed files with 12480 additions and 1498 deletions
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6
arch/x86/mm/hugetlbpage.c
View File

@ -26,12 +26,16 @@ static unsigned long page_table_shareable(struct vm_area_struct *svma,
unsigned long sbase = saddr & PUD_MASK;
unsigned long s_end = sbase + PUD_SIZE;
/* Allow segments to share if only one is marked locked */
unsigned long vm_flags = vma->vm_flags & ~VM_LOCKED;
unsigned long svm_flags = svma->vm_flags & ~VM_LOCKED;
/*
* match the virtual addresses, permission and the alignment of the
* page table page.
*/
if (pmd_index(addr) != pmd_index(saddr) ||
vma->vm_flags != svma->vm_flags ||
vm_flags != svm_flags ||
sbase < svma->vm_start || svma->vm_end < s_end)
return 0;

13
arch/x86/mm/pageattr.c
View File

@ -153,7 +153,7 @@ static void __cpa_flush_all(void *arg)
*/
__flush_tlb_all();
if (cache && boot_cpu_data.x86_model >= 4)
if (cache && boot_cpu_data.x86 >= 4)
wbinvd();
}
@ -208,20 +208,15 @@ static void cpa_flush_array(unsigned long *start, int numpages, int cache,
int in_flags, struct page **pages)
{
unsigned int i, level;
unsigned long do_wbinvd = cache && numpages >= 1024; /* 4M threshold */
BUG_ON(irqs_disabled());
on_each_cpu(__cpa_flush_range, NULL, 1);
on_each_cpu(__cpa_flush_all, (void *) do_wbinvd, 1);
if (!cache)
if (!cache || do_wbinvd)
return;
/* 4M threshold */
if (numpages >= 1024) {
if (boot_cpu_data.x86_model >= 4)
wbinvd();
return;
}
/*
* We only need to flush on one CPU,
* clflush is a MESI-coherent instruction that