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[Qemu-devel] Re: [PATCH 4/4] KVM: Rework of guest debug state writing

From: Jan Kiszka
Subject: [Qemu-devel] Re: [PATCH 4/4] KVM: Rework of guest debug state writing
Date: Thu, 04 Feb 2010 20:00:26 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv: Gecko/20080226 SUSE/ Thunderbird/ Mnenhy/

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.


Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

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