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SubjectRe: [PATCH] KVM: selftests: Fix a semaphore imbalance in the dirty ring logging test
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On 2/7/24 15:44, Sean Christopherson wrote:
> On Wed, Feb 07, 2024, Eric Auger wrote:
>> Hi Sean,
>>
>> On 2/6/24 22:36, Sean Christopherson wrote:
>>> On Fri, 02 Feb 2024 15:18:31 -0800, Sean Christopherson wrote:
>>>> When finishing the final iteration of dirty_log_test testcase, set
>>>> host_quit _before_ the final "continue" so that the vCPU worker doesn't
>>>> run an extra iteration, and delete the hack-a-fix of an extra "continue"
>>>> from the dirty ring testcase. This fixes a bug where the extra post to
>>>> sem_vcpu_cont may not be consumed, which results in failures in subsequent
>>>> runs of the testcases. The bug likely was missed during development as
>>>> x86 supports only a single "guest mode", i.e. there aren't any subsequent
>>>> testcases after the dirty ring test, because for_each_guest_mode() only
>>>> runs a single iteration.
>>>>
>>>> [...]
>>>
>>> Applied to kvm-x86 selftests, thanks!
>> Do you plan to send this branch to Paolo for v6.8?
>
> That wasn't my initial plan, but looking at what's in there, the only thing that
> isn't a fix is Andrew's series to remove redundant newlines. So yeah, I'll send
> this along for 6.8.
>

OK. Many thanks!

Eric


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