linux-kernel - Re: [PATCH] kernel: events: add releases() notation

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: <20191216083128.GI2844@hirez.programming.kicks-ass.net>
Date:   Mon, 16 Dec 2019 09:31:28 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Jules Irenge <jbi.octave@...il.com>
Cc:     bokun.feng@...il.com, mingo@...hat.com, acme@...nel.org,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        jolsa@...hat.com, namhyung@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kernel: events: add releases() notation

On Mon, Dec 16, 2019 at 12:24:00AM +0000, Jules Irenge wrote:
> Add releases() notation to remove issue detected by sparse
> context imbalance in perf_output_end() - unexpected unlock

None of the perf code uses the __acquire / __release annotations crud.
Also, your annotation is broken, I think it should be __releases(RCU) or
something like that.