lkml.org 
[lkml]   [2024]   [Feb]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] KVM: selftests: Fix a semaphore imbalance in the dirty ring logging test
From
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!

[1/1] KVM: selftests: Fix a semaphore imbalance in the dirty ring logging test
https://github.com/kvm-x86/linux/commit/ba58f873cdee

--
https://github.com/kvm-x86/linux/tree/next

\
 
 \ /
  Last update: 2024-05-27 14:51    [W:0.051 / U:0.276 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site