[PATCH v5 04/10] arm64: Add __flush_tlb_one()
From: Tycho Andersen <hidden>
Date: 2017-08-09 20:10:24
Also in:
lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
From: Juerg Haefliger <redacted> Add a hook for flushing a single TLB entry on arm64. Signed-off-by: Juerg Haefliger <redacted> Tested-by: Tycho Andersen <redacted> --- arch/arm64/include/asm/tlbflush.h | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
index af1c76981911..8e0c49105d3e 100644
--- a/arch/arm64/include/asm/tlbflush.h
+++ b/arch/arm64/include/asm/tlbflush.h@@ -184,6 +184,14 @@ static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end isb(); } +static inline void __flush_tlb_one(unsigned long addr) +{ + dsb(ishst); + __tlbi(vaae1is, addr >> 12); + dsb(ish); + isb(); +} + /* * Used to invalidate the TLB (walk caches) corresponding to intermediate page * table levels (pgd/pud/pmd).
--
2.11.0
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