From: Marcelo Tosatti <mtosatti@redhat.com>
To: Takuya Yoshikawa <takuya.yoshikawa@gmail.com>
Cc: avi@redhat.com, kvm@vger.kernel.org, yoshikawa.takuya@oss.ntt.co.jp
Subject: Re: [PATCH 1/1 v2] KVM: MMU: Use ptep_user for cmpxchg_gpte()
Date: Wed, 4 May 2011 13:13:00 -0300 [thread overview]
Message-ID: <20110504161300.GA5274@amt.cnet> (raw)
In-Reply-To: <20110501143307.1bcfd375.takuya.yoshikawa@gmail.com>
On Sun, May 01, 2011 at 02:33:07PM +0900, Takuya Yoshikawa wrote:
> From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
>
> The address of the gpte was already calculated and stored in ptep_user
> before entering cmpxchg_gpte().
>
> This patch makes cmpxchg_gpte() to use that to make it clear that we
> are using the same address during walk_addr_generic().
>
> Note that the unlikely annotations are used to show that the conditions
> are something unusual rather than for performance.
>
> Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
> ---
> arch/x86/kvm/paging_tmpl.h | 26 ++++++++++++--------------
> 1 files changed, 12 insertions(+), 14 deletions(-)
Applied, thanks.
prev parent reply other threads:[~2011-05-04 16:13 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-01 5:30 [PATCH 0/1 v2] KVM: MMU: Use ptep_user for cmpxchg_gpte() Takuya Yoshikawa
2011-05-01 5:33 ` [PATCH 1/1 " Takuya Yoshikawa
2011-05-04 11:16 ` Marcelo Tosatti
2011-05-04 11:44 ` Avi Kivity
2011-05-04 11:58 ` Marcelo Tosatti
2011-05-04 12:11 ` Avi Kivity
2011-05-04 14:00 ` Takuya Yoshikawa
2011-05-04 14:27 ` Avi Kivity
2011-05-04 16:13 ` Marcelo Tosatti [this message]
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