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authorCatalin Marinas <catalin.marinas@arm.com>2020-07-31 18:09:50 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2020-07-31 18:09:50 +0100
commit18aa3bd58b1428d1927fe11f85ad444423d4fc59 (patch)
tree40171776fd498d9ae9378c9559fcada83c92ee17 /arch/arm64/include/asm/pgtable.h
parent4557062da7ebfa9236af83fcb4323a1838ae533e (diff)
parentd1d3aa98b1d4826a19adfefb69b96142a0cac633 (diff)
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Merge branch 'for-next/tlbi' into for-next/core
* for-next/tlbi: : Support for TTL (translation table level) hint in the TLB operations arm64: tlb: Use the TLBI RANGE feature in arm64 arm64: enable tlbi range instructions arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature arm64: tlb: don't set the ttl value in flush_tlb_page_nosync arm64: Shift the __tlbi_level() indentation left arm64: tlb: Set the TTL field in flush_*_tlb_range arm64: tlb: Set the TTL field in flush_tlb_range tlb: mmu_gather: add tlb_flush_*_range APIs arm64: Add tlbi_user_level TLB invalidation helper arm64: Add level-hinted TLB invalidation helper arm64: Document SW reserved PTE/PMD bits in Stage-2 descriptors arm64: Detect the ARMv8.4 TTL feature
Diffstat (limited to 'arch/arm64/include/asm/pgtable.h')
-rw-r--r--arch/arm64/include/asm/pgtable.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 758e2d1577d0..d5d3fbe73953 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -40,6 +40,16 @@ extern void __pmd_error(const char *file, int line, unsigned long val);
extern void __pud_error(const char *file, int line, unsigned long val);
extern void __pgd_error(const char *file, int line, unsigned long val);
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE
+
+/* Set stride and tlb_level in flush_*_tlb_range */
+#define flush_pmd_tlb_range(vma, addr, end) \
+ __flush_tlb_range(vma, addr, end, PMD_SIZE, false, 2)
+#define flush_pud_tlb_range(vma, addr, end) \
+ __flush_tlb_range(vma, addr, end, PUD_SIZE, false, 1)
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+
/*
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..