Messages in this thread | | | From | Brian Geffon <> | Date | Tue, 15 Feb 2022 16:48:44 -0500 | Subject | Re: [PATCH stable 5.4,5.10] x86/fpu: Correct pkru/xstate inconsistency |
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On Tue, Feb 15, 2022 at 4:42 PM Dave Hansen <dave.hansen@intel.com> wrote: > > On 2/15/22 13:32, Brian Geffon wrote: > >> How was this tested, and what do the maintainers of this subsystem > >> think? And will you be around to fix the bugs in this when they are > >> found? > > This has been trivial to reproduce, I've used a small repro which I've > > put here: https://gist.github.com/bgaff/9f8cbfc8dd22e60f9492e4f0aff8f04f > > , I also was able to reproduce this using the protection_keys self > > tests on a 11th Gen Core i5-1135G7. > > I've got an i7-1165G7, but I'm not seeing any failures on a > 5.11 distro kernel. > > How long does this take for you to reproduce?
It reproduces for me in just a few seconds. I'm not sure what could be different about my setup, I've tested on a vanilla 5.10 kernel and it reproduced the same way.
Brian
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