[PATCH 4.14 20/74] x86/uv: Use the right TLB-flush API
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2017-12-27 16:48:18
Also in:
linux-mm, lkml
4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Peter Zijlstra <peterz@infradead.org> commit 3e46e0f5ee3643a1239be9046c7ba6c66ca2b329 upstream. Since uv_flush_tlb_others() implements flush_tlb_others() which is about flushing user mappings, we should use __flush_tlb_single(), which too is about flushing user mappings. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <redacted> Acked-by: Andrew Banman <redacted> Cc: Andy Lutomirski <luto@kernel.org> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <redacted> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Laight <redacted> Cc: Denys Vlasenko <redacted> Cc: Eduardo Valentin <redacted> Cc: Greg KH <gregkh@linuxfoundation.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <redacted> Cc: Juergen Gross <jgross@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Travis <redacted> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <redacted> Cc: aliguori@amazon.com Cc: daniel.gruss@iaik.tugraz.at Cc: hughd@google.com Cc: keescook@google.com Cc: linux-mm@kvack.org Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- arch/x86/platform/uv/tlb_uv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c@@ -299,7 +299,7 @@ static void bau_process_message(struct m local_flush_tlb(); stat->d_alltlb++; } else { - __flush_tlb_one(msg->address); + __flush_tlb_single(msg->address); stat->d_onetlb++; } stat->d_requestee++; --
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