Re: [PATCH 00/37 v6] PTI support for x86-32

From: Linus Torvalds
Date: Mon Apr 23 2018 - 13:49:31 EST


On Mon, Apr 23, 2018 at 10:45 AM, Joerg Roedel <jroedel@xxxxxxx> wrote:
>
> Just checked that and there are no pages with GLB and USR set, not even
> a vdso page.

Thanks.

> The vsyscall page does not exist on plain 32 bit, no? All I could find
> there is the vdso page, and that has no compat mapping anymore in recent
> upstream kernels. To my understanding the vdso page is mapped into the
> user-space portion of the address space. At least that is what I found
> while looking at this, but I might have missed something.

I guess it's just the x86-64 vsyscall page then. Thanks for checking.

Linus