Messages in this thread | | | Date | Tue, 9 Jan 2018 21:23:06 -0800 | From | Andrei Vagin <> | Subject | Re: [v7, 05/11] x86/retpoline/entry: Convert entry assembler indirect jumps |
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On Tue, Jan 09, 2018 at 08:39:21PM -0800, Dave Hansen wrote: > 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?
This patch fixed the problem. Thanks!
> > 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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