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[Qemu-devel] Re: [PATCH 8/9] KVM: Rework of guest debug state writing

From: Avi Kivity
Subject: [Qemu-devel] Re: [PATCH 8/9] KVM: Rework of guest debug state writing
Date: Sun, 21 Feb 2010 11:26:55 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100120 Fedora/3.0.1-1.fc12 Thunderbird/3.0.1

On 02/19/2010 08:22 PM, Jan Kiszka wrote:
So far we synchronized any dirty VCPU state back into the kernel before
updating the guest debug state. This was a tribute to a deficite in x86
kernels before 2.6.33. But as this is an arch-dependent issue, it is
better handle in the x86 part of KVM and remove the writeback point for
generic code. This also avoids overwriting the flushed state later on if
user space decides to change some more registers before resuming the

Inferring one property of kvm.ko from another is not good, since it creates problems with backports. Better to create a separate KVM_CAP_ for the issue you're testing (and we can retroactively apply it to 2.6.33).

error compiling committee.c: too many arguments to function

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