From: Marcelo Tosatti <mtosatti@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: kvm@vger.kernel.org, avi@redhat.com
Subject: Re: [PATCHv2] KVM: prevent spurious exit to userspace during task switch emulation.
Date: Thu, 15 Apr 2010 14:20:20 -0300 [thread overview]
Message-ID: <20100415172020.GA18217@amt.cnet> (raw)
In-Reply-To: <20100415100905.GA4550@redhat.com>
On Thu, Apr 15, 2010 at 01:09:05PM +0300, Gleb Natapov wrote:
>
> If kvm_task_switch() fails code exits to userspace without specifying
> exit reason, so the previous exit reason is reused by userspace. Fix
> this by specifying exit reason correctly.
>
> ---
> Changelog:
> v1->v2:
> - report emulation error to userspace instead of ignoring it silently.
>
> Should be applied after "KVM: fix emulator_task_switch() return value."
> since it relies on new return value from kvm_task_switch().
>
> Signed-off-by: Gleb Natapov<gleb@redhat.com>
Does not apply cleanly anymore, please regenerate against -next branch,
sorry.
prev parent reply other threads:[~2010-04-15 17:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-15 10:09 [PATCHv2] KVM: prevent spurious exit to userspace during task switch emulation Gleb Natapov
2010-04-15 10:10 ` Avi Kivity
2010-04-15 17:20 ` Marcelo Tosatti [this message]
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