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

On Mon, Jul 29, 2019 at 2:58 PM Dmitry Safonov [off-list ref] 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.