Re: WARNING: at arch/x86/kvm/../../../virt/kvm/kvm_main.c:3156 mark_page_dirty_in_slot

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Sean Christopherson <seanjc@xxxxxxxxxx> writes:

> On Tue, Mar 29, 2022, Naresh Kamboju wrote:
>> While running kselftest kvm test cases on x86_64 devices the following
>> kernel warning was reported.
>
> ...
>
>> [   62.510388] ------------[ cut here ]------------
>> [   62.515064] WARNING: CPU: 1 PID: 915 at
>> arch/x86/kvm/../../../virt/kvm/kvm_main.c:3156
>> mark_page_dirty_in_slot+0xba/0xd0
>> [   62.525968] Modules linked in: x86_pkg_temp_thermal fuse
>> [   62.531307] CPU: 1 PID: 915 Comm: hyperv_clock Not tainted 5.17.0 #1
>> [   62.537691] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
>> 2.0b 07/27/2017
>> [   62.545185] RIP: 0010:mark_page_dirty_in_slot+0xba/0xd0
>
> Long known issue.  I think we're all waiting for someone else to post an actual
> patch.
>
> Vitaly, can you formally post the below patch, or do you need feedback first?
>
> https://lore.kernel.org/all/874k51eddp.fsf@xxxxxxxxxx/
>

Sorry, missed this. Will do.

-- 
Vitaly




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