On Wed, 02 Oct 2024 10:39:28 +0200, Christophe Leroy wrote:
> The page containing VDSO time data is swapped with the one containing
> TIME namespace data when a process uses a non-root time namespace.
> For other data like powerpc specific data and RNG data, it means
> tracking whether time namespace is the root one or not to know which
> page to use.
>
> Simplify the logic behind by moving time data out of first data page
> so that the first data page which contains everything else always
> remains the first page. Time data is in the second or third page
> depending on selected time namespace.
>
> [...]
Applied to powerpc/next.
[1/2] powerpc/vdso: Add a page for non-time data
https://git.kernel.org/powerpc/c/c39b1dcf055d420a498d1047c645b776e4d1a7aa
[2/2] powerpc/vdso: Implement __arch_get_vdso_rng_data()
https://git.kernel.org/powerpc/c/4e3fa1aecb2c1f128f7289272fe2947e4396f1ce
cheers
