Re: [PATCH -v2] x86/retpoline: Ensure default return thunk isn't used at runtime

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On 2024-04-03 22:41, Borislav Petkov wrote:
On Wed, Apr 03, 2024 at 10:26:19PM +0200, Klara Modin wrote:
Probably, I don't have much knowledge about this stuff. The machine can at
least be useful for testing still :)

I wouldn't use it if I were you as it wouldn't even justify the
electricity wasted. No one cares about 32-bit x86 kernels anymore and we
barely keep them alive.

It'll be a lot more helpful if you'd test 64-bit kernels on 64-bit hw.

:-)

Thx.

All the more reason to continue then, even if only for nostalgia ;)

Jokes aside, I do run -next kernels regularly for my daily drivers (which are x86_64), but it's honestly not very often I notice bugs there that affect me. They have all been pretty minor or very obvious and would probably have been caught regardless, but I'll of course still report them.




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