public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	KVM list <kvm@vger.kernel.org>
Subject: [PATCH 1/3] KVM: MMU: remove unnecessary remote tlb flush
Date: Tue, 08 Jun 2010 20:05:05 +0800	[thread overview]
Message-ID: <4C0E31F1.70803@cn.fujitsu.com> (raw)

This remote tlb flush is no necessary since we have synced while
sp is zapped

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
---
 arch/x86/kvm/mmu.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 6b2c644..959c248 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3038,8 +3038,6 @@ restart:
 
 	kvm_mmu_commit_zap_page(kvm, &invalid_list);
 	spin_unlock(&kvm->mmu_lock);
-
-	kvm_flush_remote_tlbs(kvm);
 }
 
 static int kvm_mmu_remove_some_alloc_mmu_pages(struct kvm *kvm,
-- 
1.6.1.2


             reply	other threads:[~2010-06-08 12:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-08 12:05 Xiao Guangrong [this message]
2010-06-08 12:05 ` [PATCH 2/3] KVM: MMU: using wrapper function to flush local tlb Xiao Guangrong
2010-06-08 12:07 ` [PATCH 3/3] KVM: MMU: delay local tlb flush Xiao Guangrong
2010-06-09 12:06   ` Avi Kivity

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4C0E31F1.70803@cn.fujitsu.com \
    --to=xiaoguangrong@cn.fujitsu.com \
    --cc=avi@redhat.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mtosatti@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox