linux-kernel - Re: [GIT PULL] x86/mm for 6.4

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Date:   Wed, 3 May 2023 10:54:38 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     "Kirill A. Shutemov" <kirill@...temov.name>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, kirill.shutemov@...ux.intel.com,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [GIT PULL] x86/mm for 6.4

On Wed, May 3, 2023 at 9:38 AM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> So I'm going to just remove the 'sign' games entirely. They are
> completely broken in 'untagged_addr_remote()', they _used_ to be
> completely broken in 'untagged_addr()', and it looks like it's all
> unnecessary.

Ok, I've pushed out my changes to the 'x86-uaccess-cleanup' branch.

I think it's all good, but it would be really nice to hear it's been
tested on a setup that actually has LAM (simulator? or maybe there is
actual hw inside Intel)

And any other commentary is appreciated,

              Linus