diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-05-29 13:54:52 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-05-29 13:54:52 +1000 |
| commit | 435462c6e639065460e91903d6bd2af0f5762fde (patch) | |
| tree | bf66ccdd613019035ebab535762366aa1026399b /arch/x86/mm | |
| parent | d7b41b1fdf162d3e26cb73bf2cf14816918e371e (diff) | |
| parent | b5c42bc8db17db80917f99205a03c51f17354495 (diff) | |
Merge branch 'merge' into next
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/pageattr.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 797f9f107cb..e17efed088c 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -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 |