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powerpc/mm/thp: Use tlbiel if possible

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If we know that user address space has never executed on other cpus
we could use tlbiel.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Aneesh Kumar K.V
2014-11-02 21:15:28 +05:30
committed by Benjamin Herrenschmidt
parent f1581bf14b
commit d557b09800
7 changed files with 37 additions and 13 deletions
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4
arch/powerpc/mm/hash_native_64.c
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@@ -425,7 +425,7 @@ static void native_hpte_invalidate(unsigned long slot, unsigned long vpn,
static void native_hugepage_invalidate(unsigned long vsid,
unsigned long addr,
unsigned char *hpte_slot_array,
int psize, int ssize)
int psize, int ssize, int local)
{
int i;
struct hash_pte *hptep;
@@ -471,7 +471,7 @@ static void native_hugepage_invalidate(unsigned long vsid,
* instruction compares entry_VA in tlb with the VA specified
* here
*/
tlbie(vpn, psize, actual_psize, ssize, 0);
tlbie(vpn, psize, actual_psize, ssize, local);
}
local_irq_restore(flags);
}