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Subject[PATCH 1/8] x86/mm/cpa: Use flush_tlb_all()
Instead of open-coding it..

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
arch/x86/mm/pageattr.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)

--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -285,16 +285,6 @@ static void cpa_flush_all(unsigned long
on_each_cpu(__cpa_flush_all, (void *) cache, 1);
}

-static void __cpa_flush_range(void *arg)
-{
- /*
- * We could optimize that further and do individual per page
- * tlb invalidates for a low number of pages. Caveat: we must
- * flush the high aliases on 64bit as well.
- */
- __flush_tlb_all();
-}
-
static void cpa_flush_range(unsigned long start, int numpages, int cache)
{
unsigned int i, level;
@@ -303,7 +293,7 @@ static void cpa_flush_range(unsigned lon
BUG_ON(irqs_disabled() && !early_boot_irqs_disabled);
WARN_ON(PAGE_ALIGN(start) != start);

- on_each_cpu(__cpa_flush_range, NULL, 1);
+ flush_tlb_all();

if (!cache)
return;

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