Messages in this thread | | | Subject | Re: [PATCH 4/5] x86/pkeys: replace PKRU modification infrastructure | From | Dave Hansen <> | Date | Tue, 1 Jun 2021 15:49:34 -0700 |
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On 6/1/21 3:43 PM, Dave Kleikamp wrote: > On 6/1/21 4:54 PM, Babu Moger wrote: >> Hi Dave, >> Thanks for the patches and trying to address the issues. >> >> I know these patches are in early stages and there is still a discussion >> on different ways to address these issues. But I wanted to give a try >> anyway. >> >> Tried to boot the system with these patches. But system did not come up >> after this patch(#4). System fails very early in the boot process. So, I >> could'nt collect much logs. It failed both on AMD and Intel machines. >> I will try to collect more logs. >> Thanks >> Babu > > Same here. Hitting this line in arch/x86/include/asm/fpu/xstate.h > > BUG_ON(!(xstate->header.xcomp_bv & BIT_ULL(xfeature_nr))); > > [ 0.384929] kernel BUG at arch/x86/include/asm/fpu/xstate.h:177!
Thanks for the report. I am, indeed, reworking this code a bit. I'll pay close attention if this code remains in some form.
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