From: Jan Kiszka <jan.kiszka@siemens.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Avi Kivity <avi@redhat.com>
Subject: [Qemu-devel] Re: [PATCH 4/4] KVM: Rework of guest debug state writing
Date: Thu, 04 Feb 2010 20:00:26 +0100 [thread overview]
Message-ID: <4B6B194A.90009@siemens.com> (raw)
In-Reply-To: <4B6B179A.3080704@siemens.com>
Jan Kiszka wrote:
> Marcelo Tosatti wrote:
>>
>> Unrelated to this problem, won't put_vcpu_events, which is executed
>> after KVM_SET_GUEST_DEBUG, overwrite any queued debug exceptions?
>
> Good point, SET_GUEST_DEBUG should be last in the writeback for that reason.
Actually, we no longer need the exception injection via SET_GUEST_DEBUG
now that we have full access via vcpu_events. So this needs a cleanup,
and I'm afraid quite a few cases are broken ATM with vcpu_events
writeback overwriting the reinjected exceptions.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
next prev parent reply other threads:[~2010-02-04 19:00 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-03 21:29 [Qemu-devel] [PATCH 0/4] KVM pull request: Various fixes and cleanups Jan Kiszka
2010-02-03 21:29 ` [Qemu-devel] [PATCH 1/4] KVM: x86: Fix up misreported CPU features Jan Kiszka
2010-02-03 21:29 ` [Qemu-devel] [PATCH 2/4] KVM: Make vmport KVM-compatible Jan Kiszka
2010-02-03 21:29 ` [Qemu-devel] [PATCH 3/4] KVM: Move and rename regs_modified Jan Kiszka
2010-02-03 21:29 ` [Qemu-devel] [PATCH 4/4] KVM: Rework of guest debug state writing Jan Kiszka
2010-02-03 23:49 ` [Qemu-devel] " Marcelo Tosatti
2010-02-04 0:33 ` Jan Kiszka
2010-02-04 13:00 ` Marcelo Tosatti
2010-02-04 15:04 ` Jan Kiszka
2010-02-04 15:41 ` Jan Kiszka
2010-02-04 18:05 ` Marcelo Tosatti
2010-02-04 18:53 ` Jan Kiszka
2010-02-04 19:00 ` Jan Kiszka [this message]
2010-02-08 15:52 ` Marcelo Tosatti
2010-02-08 16:07 ` Jan Kiszka
2010-02-04 19:21 ` Jan Kiszka
2010-02-04 20:50 ` Marcelo Tosatti
2010-02-08 15:52 ` Marcelo Tosatti
2010-02-03 21:35 ` [Qemu-devel] [PATCH 0/4] KVM pull request: Various fixes and cleanups Anthony Liguori
2010-02-03 21:54 ` Jan Kiszka
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