linux-kernel - Re: objtool clac/stac handling change..

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Message-ID: <CAHk-=wj_2v9m+yZioE4vOLGW1mc9SBa5+++LdeJ86aEeB5OXcw@mail.gmail.com>
Date:   Wed, 1 Jul 2020 12:04:36 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: objtool clac/stac handling change..

On Wed, Jul 1, 2020 at 11:41 AM Al Viro <viro@...iv.linux.org.uk> wrote:
>
> Rather nasty for ppc; they have separate user_read_access_end() and
> user_write_access_end().

That's actually for the access granting. Shutting the access down ends
up always doing the same thing anyway..

                 Linus