* [PATCH] MIPS: Remove redundant TLB invalidate from pmdp_splitting_flush().
@ 2012-10-18 0:20 David Daney
2012-10-18 11:31 ` Ralf Baechle
0 siblings, 1 reply; 2+ messages in thread
From: David Daney @ 2012-10-18 0:20 UTC (permalink / raw)
To: linux-mips, ralf; +Cc: David Daney
From: David Daney <david.daney@cavium.com>
Signed-off-by: David Daney <david.daney@cavium.com>
---
arch/mips/mm/pgtable-64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/mips/mm/pgtable-64.c b/arch/mips/mm/pgtable-64.c
index 6c9a477..5408bb5 100644
--- a/arch/mips/mm/pgtable-64.c
+++ b/arch/mips/mm/pgtable-64.c
@@ -71,7 +71,7 @@ void pmdp_splitting_flush(struct vm_area_struct *vma,
if (!pmd_trans_splitting(*pmdp)) {
pmd_t pmd = pmd_mksplitting(*pmdp);
set_pmd_at(vma->vm_mm, address, pmdp, pmd);
- flush_tlb_range(vma, address, address + HPAGE_SIZE);
+ /* TLB already flushed by set_pmd_at() */
}
}
--
1.7.11.7
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] MIPS: Remove redundant TLB invalidate from pmdp_splitting_flush().
2012-10-18 0:20 [PATCH] MIPS: Remove redundant TLB invalidate from pmdp_splitting_flush() David Daney
@ 2012-10-18 11:31 ` Ralf Baechle
0 siblings, 0 replies; 2+ messages in thread
From: Ralf Baechle @ 2012-10-18 11:31 UTC (permalink / raw)
To: David Daney; +Cc: linux-mips, David Daney
On Wed, Oct 17, 2012 at 05:20:20PM -0700, David Daney wrote:
> diff --git a/arch/mips/mm/pgtable-64.c b/arch/mips/mm/pgtable-64.c
> index 6c9a477..5408bb5 100644
> --- a/arch/mips/mm/pgtable-64.c
> +++ b/arch/mips/mm/pgtable-64.c
> @@ -71,7 +71,7 @@ void pmdp_splitting_flush(struct vm_area_struct *vma,
> if (!pmd_trans_splitting(*pmdp)) {
> pmd_t pmd = pmd_mksplitting(*pmdp);
> set_pmd_at(vma->vm_mm, address, pmdp, pmd);
> - flush_tlb_range(vma, address, address + HPAGE_SIZE);
> + /* TLB already flushed by set_pmd_at() */
Thanks, folded into the THP patch.
Ralf
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-10-18 0:20 [PATCH] MIPS: Remove redundant TLB invalidate from pmdp_splitting_flush() David Daney
2012-10-18 11:31 ` Ralf Baechle
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