lkml.org 
[lkml]   [2018]   [Nov]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH V5 9/10] KVM/MMU: Flush tlb directly in the kvm_set_pte_rmapp()
Date
From: Lan Tianyu <Tianyu.Lan@microsoft.com>

This patch is to flush tlb directly in the kvm_set_pte_rmapp()
and return 0.

Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
---
arch/x86/kvm/mmu.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index b13b419166c4..39e0e2572710 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1776,6 +1776,11 @@ static int kvm_set_pte_rmapp(struct kvm *kvm, struct kvm_rmap_head *rmap_head,
}
}

+ if (need_flush && kvm_available_flush_tlb_with_range()) {
+ kvm_flush_remote_tlbs_with_address(kvm, gfn, 1);
+ return 0;
+ }
+
return need_flush;
}

--
2.14.4
\
 
 \ /
  Last update: 2018-11-08 10:16    [W:0.033 / U:1.200 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site