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authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>2019-10-24 13:28:00 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2019-11-05 22:23:55 +1100
commit52162ec784fa05f3a4b1d8e84421279998be3773 (patch)
tree0d8dcaa7389301988030a03e6f596766b61781a5 /arch/powerpc/include/asm/book3s/64/tlbflush.h
parenta42d6ba8c5be5aa597d25dbc15e336a2eca40260 (diff)
powerpc/mm/book3s64/radix: Use freed_tables instead of need_flush_all
With commit 22a61c3c4f13 ("asm-generic/tlb: Track freeing of page-table directories in struct mmu_gather") we now track whether we freed page table in mmu_gather. Use that to decide whether to flush Page Walk Cache. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20191024075801.22434-2-aneesh.kumar@linux.ibm.com
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/tlbflush.h')
-rw-r--r--arch/powerpc/include/asm/book3s/64/tlbflush.h16
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h
index 7aa8195b6cff..dcb5c3839d2f 100644
--- a/arch/powerpc/include/asm/book3s/64/tlbflush.h
+++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h
@@ -147,22 +147,6 @@ static inline void flush_tlb_fix_spurious_fault(struct vm_area_struct *vma,
flush_tlb_page(vma, address);
}
-/*
- * flush the page walk cache for the address
- */
-static inline void flush_tlb_pgtable(struct mmu_gather *tlb, unsigned long address)
-{
- /*
- * Flush the page table walk cache on freeing a page table. We already
- * have marked the upper/higher level page table entry none by now.
- * So it is safe to flush PWC here.
- */
- if (!radix_enabled())
- return;
-
- radix__flush_tlb_pwc(tlb, address);
-}
-
extern bool tlbie_capable;
extern bool tlbie_enabled;