On 08/01/21 19:16, kernel test robot wrote:

Hi Chenyi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on kvm/linux-next]
[also build test ERROR on v5.11-rc2 next-20210108]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

What is the status of the patch to introduce X86_FEATURE_BUS_LOCK_DETECT 
(I saw 
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2389369.html)?

Paolo