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From: Avi Kivity <avi@redhat.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Alexander Graf <agraf@suse.de>,
	kvm@vger.kernel.org, anthony@codemonkey.ws
Subject: Re: [PATCH 4/9] Implement GIF, clgi and stgi v3
Date: Sat, 27 Sep 2008 15:52:50 +0300	[thread overview]
Message-ID: <48DE2CA2.60507@redhat.com> (raw)
In-Reply-To: <20080925184759.GL27426@8bytes.org>

Joerg Roedel wrote:
> I had another possible idea for performance improvement here. Since we
> only inject normal interrupts and exceptions (and not NMI and such) we
> can patch clgi to cli and stgi to sti to save these two intercepts in
> the guests vmrun path.
> Any objections/problems with this?
>
>   

The sequence 'clgi; sti' will break.


-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.


  parent reply	other threads:[~2008-09-27 12:52 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-17 13:41 [PATCH 0/9] Add support for nested SVM (kernel) v3 Alexander Graf
2008-09-17 13:41 ` [PATCH 1/9] Add CPUID feature flag for SVM v3 Alexander Graf
2008-09-17 13:41   ` [PATCH 2/9] Clean up VINTR setting v3 Alexander Graf
2008-09-17 13:41     ` [PATCH 3/9] Add helper functions for nested SVM v3 Alexander Graf
2008-09-17 13:41       ` [PATCH 4/9] Implement GIF, clgi and stgi v3 Alexander Graf
2008-09-17 13:41         ` [PATCH 5/9] Implement hsave v3 Alexander Graf
2008-09-17 13:41           ` [PATCH 6/9] Add VMLOAD and VMSAVE handlers v3 Alexander Graf
2008-09-17 13:41             ` [PATCH 7/9] Add VMRUN handler v3 Alexander Graf
2008-09-17 13:41               ` [PATCH 8/9] Add VMEXIT handler and intercepts v3 Alexander Graf
2008-09-17 13:41                 ` [PATCH 9/9] Allow setting the SVME bit v3 Alexander Graf
2008-09-19 15:59               ` [PATCH 7/9] Add VMRUN handler v3 Joerg Roedel
2008-09-25 17:32                 ` Alexander Graf
2008-09-25 17:37                   ` Joerg Roedel
2008-09-25 20:00                     ` Alexander Graf
2008-09-25 21:22                       ` joro
2008-09-27 12:59                         ` Avi Kivity
2008-09-27 12:58                       ` Avi Kivity
2008-09-25 18:47         ` [PATCH 4/9] Implement GIF, clgi and stgi v3 Joerg Roedel
2008-09-25 19:55           ` Alexander Graf
2008-09-25 21:27             ` Joerg Roedel
2008-09-26  9:01               ` Alexander Graf
2008-09-27 12:55                 ` Avi Kivity
2008-09-27 12:52           ` Avi Kivity [this message]
2008-09-19 14:36 ` [PATCH 0/9] Add support for nested SVM (kernel) v3 Joerg Roedel
2008-09-19 14:39   ` Joerg Roedel
2008-09-19 15:56   ` Joerg Roedel
2008-10-15 17:07     ` Alexander Graf
2008-09-19 21:48 ` First performance numbers Joerg Roedel
2008-09-20  1:30   ` Avi Kivity
2008-09-20  6:55     ` Joerg Roedel

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