On Tue, Aug 15, 2023 at 08:42:52PM +0000, Edgecombe, Rick P wrote: > On Mon, 2023-08-07 at 23:00 +0100, Mark Brown wrote: > > + if (flags & ~(SHADOW_STACK_SET_TOKEN | > > SHADOW_STACK_SET_MARKER)) > > + return -EINVAL; > Thanks for adding SHADOW_STACK_SET_MARKER. I don't see where it is > defined in these patches though. Might have been left out on accident? I added it to the dependency patches I've got which pull bits out of the x86 series prior to you having rebased it, the ABI bits are mixed in with the x86 architecture changes which I didn't feel like dealing with the rebasing for so I pulled out the ABI portions. I'll resolve this properly when I rebase back onto the x86 series (ideally after the next merge window it'll be in mainline!). For these that'll probably boil down to adding defines to prctl.h for the generic prctl API.
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