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  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]
Date:   Sun, 24 May 2020 00:41:32 +0200
From:   Peter Zijlstra <>
To:     "Sebastian A. Siewior" <>
Cc:     "Ahmed S. Darwish" <>,
        Ingo Molnar <>, Will Deacon <>,
        Thomas Gleixner <>,
        "Paul E. McKenney" <>,
        Steven Rostedt <>,
        LKML <>
Subject: Re: [PATCH v1 07/25] lockdep: Add preemption disabled assertion API

On Sat, May 23, 2020 at 04:59:42PM +0200, Sebastian A. Siewior wrote:
> On 2020-05-22 19:55:03 [+0200], Peter Zijlstra wrote:

> > That is both more consistent with the things you claim it's modelled
> > after and also completely avoids that header dependency.
> So we need additionally: 
> - #include <linux/sched.h> in include/linux/flex_proportions.h
>   and I think un another file as well.
> - write_seqcount_t_begin_nested() as a define
> - write_seqcount_t_begin() as a define
> Any "static inline" in the header file using
> lockdep_assert_preemption_disabled() will tro to complain about missing
> current-> define. But yes, it will work otherwise.

Because...? /me rummages around.. Ah you're proposing sticking this in
seqcount itself and then header hell.

Moo.. ok I'll go have another look on Monday.

Powered by blists - more mailing lists