Messages in this thread | | | Date | Wed, 12 Jan 2022 16:38:32 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH] rseq: x86: implement abort-at-ip extension |
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On Wed, Jan 12, 2022 at 04:16:36PM +0100, Florian Weimer wrote:
> You could perhaps push a signal frame onto the stack. It's going to > be expensive, but it's already in the context switch path, so maybe it > does not matter.
Please no! Signals are a trainwreck that need change (see the whole AVX-512 / AMX saga), we shouldn't use more of that just cause.
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