Commit 157d4d06 authored May 31, 2016 by Aneesh Kumar K.V Committed by Michael Ellerman Jun 01, 2016

powerpc/mm/radix: Add missing tlb flush



This should not have any impact on hash, because hash does tlb
invalidate with every pte update and we don't implement
flush_tlb_* functions for hash. With radix we should make an explicit
call to flush tlb outside pte update.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent dc47c0c1

arch/powerpc/mm/pgtable-book3s64.c

+1 −4

Original line number	Diff line number	Diff line
		@@ -33,10 +33,7 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address,
		changed = !pmd_same(*(pmdp), entry);
		if (changed) {
		__ptep_set_access_flags(pmdp_ptep(pmdp), pmd_pte(entry));
		/*
		* Since we are not supporting SW TLB systems, we don't
		* have any thing similar to flush_tlb_page_nohash()
		*/
		flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
		}
		return changed;
		}