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From: Marcelo Tosatti <mtosatti@redhat.com>
To: Zhihui Zhang <zzhsuny@gmail.com>
Cc: gleb@redhat.com, pbonzini@redhat.com, hpa@zytor.com, kvm@vger.kernel.org
Subject: Re: [PATCH] Check use I/O bitmap first before unconditional I/O exit
Date: Wed, 8 Jan 2014 19:01:48 -0200	[thread overview]
Message-ID: <20140108210147.GA20624@amt.cnet> (raw)
In-Reply-To: <1388436989-8597-1-git-send-email-zzhsuny@gmail.com>

On Mon, Dec 30, 2013 at 03:56:29PM -0500, Zhihui Zhang wrote:
> According to Table C-1 of Intel SDM 3C, a VM exit happens on an I/O instruction when
> "use I/O bitmaps" VM-execution control was 0 _and_ the "unconditional I/O exiting"
> VM-execution control was 1. So we can't just check "unconditional I/O exiting" alone.
> This patch was improved by suggestion from Jan Kiszka.
> 
> Signed-off-by: Zhihui Zhang <zzhsuny@gmail.com>

Applied, thanks.


  parent reply	other threads:[~2014-01-08 21:18 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-30 20:56 [PATCH] Check use I/O bitmap first before unconditional I/O exit Zhihui Zhang
2013-12-31  8:55 ` Jan Kiszka
2014-01-08 21:01 ` Marcelo Tosatti [this message]
  -- strict thread matches above, loose matches on Subject: below --
2013-12-30 15:09 Zhihui Zhang
2013-12-30 19:35 ` Jan Kiszka

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