Re: [PATCH v5 11/37] mm: Define VM_SHADOW_STACK for arm64 when we support GCS

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On Tue, Aug 22, 2023 at 04:47:26PM +0000, Edgecombe, Rick P wrote:
> On Tue, 2023-08-22 at 16:41 +0100, Mark Brown wrote:

> > I can certainly update it to do that, I was just trying to fit in
> > with
> > how the code was written on the basis that there was probably a good
> > reason for it that had been discussed somewhere.  I can send an
> > incremental patch for this on top of the x86 patches assuming they go
> > in
> > during the merge window.

> There was something like that on the x86 series way back, but it was
> dropped[0]. IIRC risc-v was going to try to do something other than
> VM_SHADOW_STACK, so they may conflict some day. But in the meantime,
> adding a CONFIG_HAVE_ARCH_SHADOW_STACK here in the arm series makes
> sense to me.

OK, I'll do that.

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