Re: [PATCH 4/6] mm: proc: Invalidate TLB after clearing soft-dirty page state
From: Peter Zijlstra <peterz@infradead.org>
Date: 2020-11-20 15:09:51
Also in:
linux-mm, lkml
Subsystem:
mmu gather and tlb invalidation, sparc + ultrasparc (sparc/sparc64), the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Will Deacon, "Aneesh Kumar K.V", Andrew Morton, Nick Piggin, Peter Zijlstra, "David S. Miller", Andreas Larsson, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
On Fri, Nov 20, 2020 at 04:00:23PM +0100, Peter Zijlstra wrote:
If you look at __tlb_remove_tlb_entry()
... you'll also find we can probably do this ... :-)
diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h
index e841cae544c2..779a5a0f0608 100644
--- a/arch/sparc/include/asm/tlb_64.h
+++ b/arch/sparc/include/asm/tlb_64.h@@ -24,7 +24,6 @@ void flush_tlb_pending(void); #define tlb_start_vma(tlb, vma) do { } while (0) #define tlb_end_vma(tlb, vma) do { } while (0) -#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) #define tlb_flush(tlb) flush_tlb_pending() /*
diff --git a/arch/x86/include/asm/tlb.h b/arch/x86/include/asm/tlb.h
index 820082bd6880..1bfe979bb9bc 100644
--- a/arch/x86/include/asm/tlb.h
+++ b/arch/x86/include/asm/tlb.h@@ -4,7 +4,6 @@ #define tlb_start_vma(tlb, vma) do { } while (0) #define tlb_end_vma(tlb, vma) do { } while (0) -#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) #define tlb_flush tlb_flush static inline void tlb_flush(struct mmu_gather *tlb);
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