[PATCHv5 21/37] x86/vdso: Restrict splitting VVAR VMA

Andy Lutomirski luto at kernel.org
Thu Aug 1 05:23:48 UTC 2019

On Mon, Jul 29, 2019 at 2:58 PM Dmitry Safonov <dima at arista.com> wrote:
> Although, time namespace can work with VVAR VMA split, it seems worth
> to forbid splitting VVAR resulting in stricter ABI and reducing amount
> of corner-cases to consider while working further on VDSO.
> I don't think there is any use-case for partial mremap() of vvar,
> but if there is any - this patch can be easily reverted.

Seems reasonable to me.

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