Messages in this thread | | | Subject | Re: [v7, 05/11] x86/retpoline/entry: Convert entry assembler indirect jumps | From | Dave Hansen <> | Date | Tue, 9 Jan 2018 20:39:21 -0800 |
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On 01/09/2018 08:30 PM, Andi Kleen wrote: > On Tue, Jan 09, 2018 at 07:54:08PM -0800, Andrei Vagin wrote: >> >> In my test environment, the kernel with this patch crashes. > > I posted a patch for this.
It's called:
[PATCH v3 2/3] x86/retpoline: Use better sequences for NOSPEC_CALL/JMP
right, Andi?
BTW, that's a fun oops. It looks like it's call'ing (or jumping) to an address that's used by cpu_entry_area->exception_stacks[1].
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