From: Avi Kivity <avi@qumranet.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>,
Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [PATCH 2/2] qemu-kvm: Fix guest resetting v2
Date: Mon, 12 May 2008 14:29:19 +0300 [thread overview]
Message-ID: <48282A0F.3000908@qumranet.com> (raw)
In-Reply-To: <482820C3.3050407@web.de>
Jan Kiszka wrote:
> Resetting guests used to be racy, deadlock-prone, or simply broken (for
> SMP). This patch fixes the issues, following Marcelo's suggestion to
> consolidate the reset activity in the I/O thread. All vcpus are cleanly
> stopped before the emulated hardware is reset, and kvm_arch_cpu_reset is
> introduced and invoked to ensure that non-boot cpus are put into the
> right state on x86. Note that other arch may need to look into this
> service as well to get SMP reset right.
>
>
hmm. This means that reset is executed asynchronously of the calling cpu.
Well, in a real machine a keyboard controller reset is asynchronous as
well, so I guess that's not an issue.
--
error compiling committee.c: too many arguments to function
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next prev parent reply other threads:[~2008-05-12 11:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-12 10:49 [PATCH 2/2] qemu-kvm: Fix guest resetting v2 Jan Kiszka
2008-05-12 11:29 ` Avi Kivity [this message]
2008-05-12 11:38 ` Jan Kiszka
2008-05-12 11:44 ` Avi Kivity
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