On Fri, Aug 16, 2024 at 04:29:13PM +0100, Catalin Marinas wrote: > On Fri, Aug 16, 2024 at 11:51:57AM +0100, Mark Brown wrote: > > I change back to parsing the token in the parent but I don't want to end > > up in a cycle of bouncing between the two implementations depending on > > who's reviewed the most recent version. > You and others spent a lot more time looking at shadow stacks than me. > I'm not necessarily asking to change stuff but rather understand the > choices made. I'm a little ambivalent on this - on the one hand accessing the child's memory is not a thing of great beauty but on the other hand it does make the !CLONE_VM case more solid. My general instinct is that the ugliness is less of an issue than the "oh, there's a gap there" stuff with the !CLONE_VM case since it's more "why are we doing that?" than "we missed this".
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