[PATCH v6 12/15] arm64: vdso: disable Shadow Call Stack

Will Deacon will at kernel.org
Thu Jan 16 10:18:20 PST 2020


On Thu, Jan 16, 2020 at 10:14:24AM -0800, Sami Tolvanen wrote:
> On Thu, Jan 16, 2020 at 9:46 AM Will Deacon <will at kernel.org> wrote:
> > Should we be removing -ffixed-x18 too, or does that not propagate here
> > anyway?
> 
> No, we shouldn't touch -ffixed-x18 here. The vDSO is always built with
> x18 reserved since commit 98cd3c3f83fbb ("arm64: vdso: Build vDSO with
> -ffixed-x18").

Thanks, in which case:

Acked-by: Will Deacon <will at kernel.org>

Will



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