Re: [PATCH v2 4/9] arm64: vdso32: Respect COMPAT_32BIT_TIME

Philippe Mathieu-Daudé <[email protected]> Wed, 1 Jul 2026 09:49:16 +0200

Newsgroups	org.kernel.vger.linux-api,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-mips,org.kernel.vger.sparclinux,org.ozlabs.lists.linuxppc-dev
Message-ID	<[email protected]>

On 30/6/26 09:38, Thomas WeiÃschuh wrote:
> If CONFIG_COMPAT_32BIT_TIME is disabled then the vDSO should not
> provide any 32-bit time related functionality. This is the intended
> effect of the kconfig option and also the fallback system calls would
> also not be implemented.
> 
> Currently the kconfig option does not affect the gettimeofday() syscall,
> so also keep that in the vDSO.
> 
> Signed-off-by: Thomas Weißschuh <[email protected]>
> ---
>   arch/arm64/kernel/vdso32/vdso.lds.S      |  2 ++
>   arch/arm64/kernel/vdso32/vgettimeofday.c | 14 ++++++++------
>   2 files changed, 10 insertions(+), 6 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <[email protected]>