linux-kernel - Re: [PATCH v2] MIPS: entry: Remove unneeded need

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: <MWHPR2201MB12771A95F3320F9D1E343B23C1400@MWHPR2201MB1277.namprd22.prod.outlook.com>
Date:   Tue, 19 Mar 2019 23:18:25 +0000
From:   Paul Burton <paul.burton@...s.com>
To:     Valentin Schneider <valentin.schneider@....com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <pburton@...ecomp.com>,
        James Hogan <jhogan@...nel.org>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>
Subject: Re: [PATCH v2] MIPS: entry: Remove unneeded need_resched() loop

Hello,

Valentin Schneider wrote:
> Since the enabling and disabling of IRQs within preempt_schedule_irq()
> is contained in a need_resched() loop, we don't need the outer arch
> code loop.
> 
> Note that commit a18815abcdfd ("Use preempt_schedule_irq.") initially
> removed the existing loop, but missed the final branch to restore_all.
> Commit cdaed73afb61 ("Fix preemption bug.") missed that and reintroduced
> the loop.
> 
> Signed-off-by: Valentin Schneider <valentin.schneider@....com>
> Cc: Ralf Baechle <ralf@...ux-mips.org>
> Cc: Paul Burton <paul.burton@...s.com>
> Cc: James Hogan <jhogan@...nel.org>
> Cc: linux-mips@...r.kernel.org

Applied to mips-next.

Thanks,
    Paul

[ This message was auto-generated; if you believe anything is incorrect
  then please email paul.burton@...s.com to report it. ]