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SubjectRe: [patch 3/5] lib/vdso/32: Provide legacy syscall fallbacks
On Sun, Jul 28, 2019 at 6:20 AM Thomas Gleixner <tglx@linutronix.de> wrote:
>
> To address the regression which causes seccomp to deny applications the
> access to clock_gettime64() and clock_getres64() syscalls because they
> are not enabled in the existing filters.
>
> That trips over the fact that 32bit VDSOs use the new clock_gettime64() and
> clock_getres64() syscalls in the fallback path.
>
> Implement a __cvdso_clock_get*time32() variants which invokes the legacy
> 32bit syscalls when the architecture requests it.
>
> The conditional can go away once all architectures are converted.

Reviewed-by: Andy Lutomirski <luto@kernel.org>

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