From: Fabrice Bellard <fabrice@bellard.org>
To: qemu-devel@nongnu.org
Cc: Alexander Graf <agraf@suse.de>
Subject: [Qemu-devel] Re: [PATCH] enable SVM EFER bit
Date: Wed, 04 Jun 2008 15:02:20 +0200 [thread overview]
Message-ID: <4846925C.5020605@bellard.org> (raw)
In-Reply-To: <48455CEA.40507@suse.de>
Alexander Graf wrote:
> Due to the recently introduces checks for SVM activation, the SVM
> instructions currently throw a #UD exception if they are not activated.
> The activation happens through a write to the EFER which does not
> support the SVM bit yet.
>
> This patch adds the SVME bit to the EFER MSR write. It makes KVM work
> for me again.
OK for the problem, but the fix is not OK because you don't synchronize
the hflags. It is strange that SVM can even work with that... I am
working on a better fix.
Fabrice.
next prev parent reply other threads:[~2008-06-04 13:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-03 15:02 [Qemu-devel] [PATCH] enable SVM EFER bit Alexander Graf
2008-06-03 19:11 ` Anthony Liguori
2008-06-04 13:02 ` Fabrice Bellard [this message]
2008-06-04 14:30 ` [Qemu-devel] " Alexander Graf
2008-06-04 14:33 ` Alexander Graf
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