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SubjectRe: [PATCH -v2] x86/retpoline: Ensure default return thunk isn't used at runtime
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On 2024-04-03 19:30, Borislav Petkov wrote:
> On Wed, Apr 03, 2024 at 07:10:17PM +0200, Klara Modin wrote:
>> With this patch/commit, one of my machines (older P4 Xeon, 32-bit only)
>> hangs on boot with CONFIG_RETHUNK=y / CONFIG_MITIGATION_RETHUNK=y.
>
> I wanna say your old P4 heater :) is not even affected by the crap the
> return thunks are trying to address so perhaps we should make
> CONFIG_MITIGATION_RETHUNK depend on !X86_32...
>

Probably, I don't have much knowledge about this stuff. The machine can
at least be useful for testing still :)

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