Re: [linus:master] [mseal] 8be7258aad: stress-ng.pagemove.page_remaps_per_sec -4.4% regression
From: Linus Torvalds
Date: Mon Aug 05 2024 - 15:51:20 EST
On Mon, 5 Aug 2024 at 12:48, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> But x86 has the same context.vdso logic, and does *not* set the
> pointer before installing the vma, for example. Also does not zero it
> out on munmap(), although it does have the mremap logic.
Oh, and the empty stale arch_unmap() code on the x86 side has never
been about the vdso thing, it was about some horrid MPX notification
that no longer exists.
In case people wonder like I did.
Linus