All of lore.kernel.org
 help / color / mirror / Atom feed
From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Andy Lutomirski <luto@amacapital.net>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Julien Thierry <julien.thierry@arm.com>,
	Will Deacon <will.deacon@arm.com>, Ingo Molnar <mingo@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	James Morse <james.morse@arm.com>,
	valentin.schneider@arm.com, Brian Gerst <brgerst@gmail.com>,
	Andrew Lutomirski <luto@kernel.org>,
	Borislav Petkov <bp@alien8.de>,
	Denys Vlasenko <dvlasenk@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 5/6] objtool: Add UACCESS validation
Date: Mon, 25 Feb 2019 11:38:59 -0600	[thread overview]
Message-ID: <20190225173859.zs5k5bbkdruqk6pa@treble> (raw)
In-Reply-To: <20190225171531.GD32534@hirez.programming.kicks-ass.net>

On Mon, Feb 25, 2019 at 06:15:31PM +0100, Peter Zijlstra wrote:
> Also, I think at the time we didn't use it because backporting efforts.

This part may have been my fault.  I spread a vicious rumor (based on
reading docs instead of code) that old versions of GCC don't support
'%='.  But it's actually been around since GCC 2.8.

-- 
Josh

  parent reply	other threads:[~2019-02-25 17:39 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-25 12:43 [PATCH 0/6] objtool: UACCESS validation Peter Zijlstra
2019-02-25 12:43 ` [PATCH 1/6] x86/uaccess: Dont evaluate argument inside AC region Peter Zijlstra
2019-02-25 15:43   ` Andy Lutomirski
2019-02-25 16:02     ` Peter Zijlstra
2019-02-25 16:36     ` Borislav Petkov
2019-02-25 16:50       ` Andy Lutomirski
2019-02-25 19:09     ` Linus Torvalds
2019-02-25 19:18       ` Borislav Petkov
2019-02-25 18:10   ` [tip:x86/urgent] x86/uaccess: Don't leak the AC flag into __put_user() value evaluation tip-bot for Andy Lutomirski
2019-02-25 19:46   ` tip-bot for Andy Lutomirski
2019-02-25 12:43 ` [PATCH 2/6] x86/ia32: Fix ia32_restore_sigcontext AC leak Peter Zijlstra
2019-02-25 15:41   ` Andy Lutomirski
2019-02-25 16:10     ` Peter Zijlstra
2019-02-25 16:29       ` Andy Lutomirski
2019-02-25 16:37         ` Peter Zijlstra
2019-02-25 16:41           ` Peter Zijlstra
2019-02-25 16:49           ` Andy Lutomirski
2019-02-25 12:43 ` [PATCH 3/6] objtool: Set insn->func for alternatives Peter Zijlstra
2019-02-25 12:43 ` [PATCH 4/6] objtool: Replace STACK_FRAME_NON_STANDARD annotation Peter Zijlstra
2019-02-25 16:11   ` Josh Poimboeuf
2019-02-25 16:17     ` Peter Zijlstra
2019-02-25 16:23       ` Josh Poimboeuf
2019-02-27 12:20     ` Peter Zijlstra
2019-02-28  0:30       ` Andy Lutomirski
2019-02-25 12:43 ` [PATCH 5/6] objtool: Add UACCESS validation Peter Zijlstra
2019-02-25 15:53   ` Andy Lutomirski
2019-02-25 16:12     ` Peter Zijlstra
2019-02-25 17:15       ` Peter Zijlstra
2019-02-25 17:34         ` Linus Torvalds
2019-02-25 17:38         ` Josh Poimboeuf [this message]
2019-02-27 14:08   ` Peter Zijlstra
2019-02-27 14:17     ` Andrey Ryabinin
2019-02-27 14:26       ` Peter Zijlstra
2019-02-27 14:33         ` Peter Zijlstra
2019-02-27 15:40           ` Dmitry Vyukov
2019-02-27 17:28             ` Peter Zijlstra
2019-02-28  9:40               ` Peter Zijlstra
2019-02-28  9:59                 ` Dmitry Vyukov
2019-02-28 10:05                   ` Dmitry Vyukov
2019-02-28 10:52                     ` Peter Zijlstra
2019-02-27 16:18     ` Linus Torvalds
2019-02-27 17:30       ` Peter Zijlstra
2019-02-27 17:36         ` Linus Torvalds
2019-02-25 12:43 ` [PATCH 6/6] objtool: Add Direction Flag validation Peter Zijlstra

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190225173859.zs5k5bbkdruqk6pa@treble \
    --to=jpoimboe@redhat.com \
    --cc=bp@alien8.de \
    --cc=brgerst@gmail.com \
    --cc=catalin.marinas@arm.com \
    --cc=dvlasenk@redhat.com \
    --cc=hpa@zytor.com \
    --cc=james.morse@arm.com \
    --cc=julien.thierry@arm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luto@amacapital.net \
    --cc=luto@kernel.org \
    --cc=mingo@kernel.org \
    --cc=peterz@infradead.org \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.org \
    --cc=valentin.schneider@arm.com \
    --cc=will.deacon@arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.