[PATCH v6 2/4] arm64: tlbflush: Introduce __flush_tlb_kernel_pgtable
From: Chintan Pandya <hidden>
Date: 2018-03-28 10:58:49
Also in:
linux-arch, lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
Add an interface to invalidate intermediate page tables from TLB for kernel. Signed-off-by: Chintan Pandya <redacted> --- From: V5->V6: - No change arch/arm64/include/asm/tlbflush.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
index 9e82dd7..6a4816d 100644
--- a/arch/arm64/include/asm/tlbflush.h
+++ b/arch/arm64/include/asm/tlbflush.h@@ -209,6 +209,12 @@ static inline void __flush_tlb_pgtable(struct mm_struct *mm, dsb(ish); } +static inline void __flush_tlb_kernel_pgtable(unsigned long addr) +{ + addr >>= 12; + __tlbi(vaae1is, addr); + dsb(ish); +} #endif #endif
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