Re: [PATCH v22 16/24] x86/vdso: Add support for exception fixup in vDSO functions

From: Jarkko Sakkinen
Date: Sun Oct 06 2019 - 19:38:33 EST


On Fri, Oct 04, 2019 at 09:52:21PM +0300, Jarkko Sakkinen wrote:
> On Thu, Oct 03, 2019 at 05:15:00PM -0700, Sean Christopherson wrote:
> > I'll tackle this tomorrow. I've been working on the feature control MSR
> > series and will get that sent out tomorrow as well. I should also be able
> > to get you the multi-page EADD patch.
>
> Great I'll compose the patch set during the weekend and take Monday off
> so you have the full work day to get everything (probably send the patch
> set on Sunday).

I don't see why the multipage version could not be ioctl of its own and
ioctl's can then use the same internals. Having a single page version
does not cause any kind of bottleneck really.

Thus, sending now v23 based on these conclusions.

/Jarkko