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authorPeter Zijlstra <peterz@infradead.org>2018-08-22 17:30:16 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-23 11:56:31 -0700
commit48a8b97cfd804a965fbbe7be2d56a7984ef6bdb1 (patch)
tree4c83ec53b89bf5f05a6e65f7b332ac1ab4ef0983 /arch/x86/kernel/paravirt.c
parentfd1102f0aadec7d18792b132e1d224290b2aecca (diff)
x86/mm: Only use tlb_remove_table() for paravirt
If we don't use paravirt; don't play unnecessary and complicated games to free page-tables. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Rik van Riel <riel@surriel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/kernel/paravirt.c')
-rw-r--r--arch/x86/kernel/paravirt.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 930c88341e4e..afdb303285f8 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -41,6 +41,7 @@
#include <asm/tlbflush.h>
#include <asm/timer.h>
#include <asm/special_insns.h>
+#include <asm/tlb.h>
/*
* nop stub, which must not clobber anything *including the stack* to
@@ -409,6 +410,7 @@ struct pv_mmu_ops pv_mmu_ops __ro_after_init = {
.flush_tlb_kernel = native_flush_tlb_global,
.flush_tlb_one_user = native_flush_tlb_one_user,
.flush_tlb_others = native_flush_tlb_others,
+ .tlb_remove_table = (void (*)(struct mmu_gather *, void *))tlb_remove_page,
.pgd_alloc = __paravirt_pgd_alloc,
.pgd_free = paravirt_nop,