[tip: core/mm] tlb: arch: Remove empty __tlb_remove_tlb_entry() stubs

From: tip-bot2 for Will Deacon
Date: Mon Feb 01 2021 - 06:33:59 EST


The following commit has been merged into the core/mm branch of tip:

Commit-ID: c7bd8010a335260927e3643e79360272f9aca266
Gitweb: https://git.kernel.org/tip/c7bd8010a335260927e3643e79360272f9aca266
Author: Will Deacon <will@xxxxxxxxxx>
AuthorDate: Wed, 27 Jan 2021 23:53:46
Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Fri, 29 Jan 2021 20:02:29 +01:00

tlb: arch: Remove empty __tlb_remove_tlb_entry() stubs

If __tlb_remove_tlb_entry() is not defined by the architecture then
we provide an empty definition in asm-generic/tlb.h.

Remove the redundant empty definitions for sparc64 and x86.

Suggested-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Signed-off-by: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Reviewed-by: Yu Zhao <yuzhao@xxxxxxxxxx>
Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Acked-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20210127235347.1402-6-will@xxxxxxxxxx
---
arch/sparc/include/asm/tlb_64.h | 1 -
arch/x86/include/asm/tlb.h | 1 -
2 files changed, 2 deletions(-)

diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h
index e841cae..779a5a0 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 820082b..1bfe979 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);