diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2018-08-22 17:30:16 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-23 20:56:31 +0200 |
| commit | 48a8b97cfd804a965fbbe7be2d56a7984ef6bdb1 (patch) | |
| tree | 4c83ec53b89bf5f05a6e65f7b332ac1ab4ef0983 /arch/x86/kernel/kvm.c | |
| parent | mm: mmu_notifier fix for tlb_end_vma (diff) | |
| download | linux-48a8b97cfd804a965fbbe7be2d56a7984ef6bdb1.tar.xz linux-48a8b97cfd804a965fbbe7be2d56a7984ef6bdb1.zip | |
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/kvm.c')
| -rw-r--r-- | arch/x86/kernel/kvm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 0f471bd93417..d9b71924c23c 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -45,6 +45,7 @@ #include <asm/apic.h> #include <asm/apicdef.h> #include <asm/hypervisor.h> +#include <asm/tlb.h> static int kvmapf = 1; @@ -636,8 +637,10 @@ static void __init kvm_guest_init(void) if (kvm_para_has_feature(KVM_FEATURE_PV_TLB_FLUSH) && !kvm_para_has_hint(KVM_HINTS_REALTIME) && - kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) + kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) { pv_mmu_ops.flush_tlb_others = kvm_flush_tlb_others; + pv_mmu_ops.tlb_remove_table = tlb_remove_table; + } if (kvm_para_has_feature(KVM_FEATURE_PV_EOI)) apic_set_eoi_write(kvm_guest_apic_eoi_write); |