[PATCH 05/28] arm64: vdso: Use only one single vvar mapping

[Will Deacon]

On Thu, Oct 10, 2024 at 09:01:07AM +0200, Thomas Weißschuh wrote:
> The vvar mapping is the same for all processes. Use a single mapping to
> simplify the logic and align it with the other architectures.
> 
> In addition this will enable the move of the vvar handling into generic code.
> 
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh at linutronix.de>
> ---
>  arch/arm64/kernel/vdso.c | 43 +++++++++++++------------------------------
>  1 file changed, 13 insertions(+), 30 deletions(-)

I took this for a spin in qemu to double-check that compat and native
tasks can peacefully co-exist while using the vDSO. It all seems ok, so:

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

Will