linux-kernel - [tip: core/mm] tlb: arch: Remove empty __tlb_remove_tlb

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Date:   Mon, 01 Feb 2021 11:32:25 -0000
From:   "tip-bot2 for Will Deacon" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Will Deacon <will@...nel.org>, Yu Zhao <yuzhao@...gle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: core/mm] tlb: arch: Remove empty __tlb_remove_tlb_entry() stubs

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@...nel.org>
AuthorDate:    Wed, 27 Jan 2021 23:53:46 
Committer:     Peter Zijlstra <peterz@...radead.org>
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@...radead.org>
Signed-off-by: Will Deacon <will@...nel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Yu Zhao <yuzhao@...gle.com>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Acked-by: Linus Torvalds <torvalds@...ux-foundation.org>
Link: https://lkml.kernel.org/r/20210127235347.1402-6-will@kernel.org
---
 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);