Re: [PATCH v3] x86/uaccess: Use pointer masking to limit uaccess speculation

From: Josh Poimboeuf
Date: Tue May 04 2021 - 00:12:47 EST


On Tue, May 04, 2021 at 12:31:09AM +0000, Al Viro wrote:
> On Mon, May 03, 2021 at 06:31:54PM -0500, Josh Poimboeuf wrote:
> > On Wed, Sep 23, 2020 at 04:38:48AM +0100, Al Viro wrote:
> > > On Mon, Sep 14, 2020 at 02:53:54PM -0500, Josh Poimboeuf wrote:
> > > > Al,
> > > >
> > > > This depends on Christoph's set_fs() removal patches. Would you be
> > > > willing to take this in your tree?
> > >
> > > in #uaccess.x86 and #for-next
> >
> > Hm, I think this got dropped somehow. Will repost.
>
> Ow... #uaccess.x86 got dropped from -next at some point, mea culpa.
> What I have is b4674e334bb4; it's 5.8-based (well, 5.9-rc1). It
> missed post-5.9 merge window and got lost. Could you rebase to
> to more or less current tree and repost?

No problem, I'll refresh it against the latest.

--
Josh