lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20200623134309.GB9247@paulmck-ThinkPad-P72>
Date:   Tue, 23 Jun 2020 06:43:09 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Marco Elver <elver@...gle.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kasan-dev <kasan-dev@...glegroups.com>, kernel-team@...com,
        Ingo Molnar <mingo@...nel.org>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>, Qian Cai <cai@....pw>,
        Boqun Feng <boqun.feng@...il.com>
Subject: Re: [PATCH kcsan 0/10] KCSAN updates for v5.9

On Tue, Jun 23, 2020 at 08:31:15AM +0200, Marco Elver wrote:
> On Tue, 23 Jun 2020 at 02:43, Paul E. McKenney <paulmck@...nel.org> wrote:
> >
> > Hello!
> >
> > This series provides KCSAN updates:
> >
> > 1.      Annotate a data race in vm_area_dup(), courtesy of Qian Cai.
> >
> > 2.      x86/mm/pat: Mark an intentional data race, courtesy of Qian Cai.
> >
> > 3.      Add ASSERT_EXCLUSIVE_ACCESS() to __list_splice_init_rcu().
> >
> > 4.      Add test suite, courtesy of Marco Elver.
> >
> > 5.      locking/osq_lock: Annotate a data race in osq_lock.
> >
> > 6.      Prefer '__no_kcsan inline' in test, courtesy of Marco Elver.
> >
> > 7.      Silence -Wmissing-prototypes warning with W=1, courtesy of Qian Cai.
> >
> > 8.      Rename test.c to selftest.c, courtesy of Marco Elver.
> >
> > 9.      Remove existing special atomic rules, courtesy of Marco Elver.
> >
> > 10.     Add jiffies test to test suite, courtesy of Marco Elver.
> 
> Do we want GCC support back for 5.9?
> 
>    https://lkml.kernel.org/r/20200618093118.247375-1-elver@google.com
> 
> I was hoping it could go into 5.9, because it makes a big difference
> in terms of usability as it provides more compiler choice. The only
> significant change for GCC support is the addition of the checking of
> (CC_IS_GCC && (....)).

Very good, I will rebase the following into the KCSAN branch for v5.9:

	3e490e3 kcsan: Re-add GCC as a supported compiler
	03296de kcsan: Simplify compiler flags
	d831090 kcsan: Disable branch tracing in core runtime

Please let me know if any other adjustments are needed.

							Thanx, Paul

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ