Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <20230427225647.1101172-1-dave.hansen@linux.intel.com>
 <CAHk-=wgrdOm8RwO+u8bydrbgs0wXJV_9mBYAtzX9d9hEY7a25A@mail.gmail.com>
 <CAHk-=wiHvdgbLxayyCsRU45JnKCZkCOpEJPfOvE3eYCnGjVcSA@mail.gmail.com>
 <20230429003822.n3mglslg666j3npp@box.shutemov.name> <641a9348-a052-6bb5-e6c7-64acb6405328@intel.com>
 <CAHk-=wgnGoj8qZg3SRh1Z1-mU=b3ryydXZykUuarnrAn6LuHBw@mail.gmail.com>
 <CAHk-=wgN=GY2A0htYQQRmPaLCorWnFatY_XO0X2w_m9xXQDcPA@mail.gmail.com>
 <f5983c42-82a5-1cd8-c717-67bfd72377dc@intel.com> <CAHk-=wgpOqujY210W9-KJPEfD42W_bvUdLwF-PAvyxJQ92tzDg@mail.gmail.com>
 <CAHk-=wj7q6Ng5uemZtrDnhtcfrgkzX5Z18eKZj94FY5d2quP6A@mail.gmail.com>
In-Reply-To: <CAHk-=wj7q6Ng5uemZtrDnhtcfrgkzX5Z18eKZj94FY5d2quP6A@mail.gmail.com>
From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed, 3 May 2023 10:54:38 -0700
Message-ID: <CAHk-=wgokAgkTVpEHM7c8oP9mca5s21RcxksF8h3FwWFJbCu3w@mail.gmail.com>
Subject: Re: [GIT PULL] x86/mm for 6.4
To:     Dave Hansen <dave.hansen@intel.com>
Cc:     "Kirill A. Shutemov" <kirill@shutemov.name>,
        Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org,
        linux-kernel@vger.kernel.org, kirill.shutemov@linux.intel.com,
        Peter Zijlstra <peterz@infradead.org>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

On Wed, May 3, 2023 at 9:38=E2=80=AFAM Linus Torvalds
<torvalds@linux-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