linux-kernel - Re: [PATCH 1/2] sched/uclamp: Fix initialization of strut uclamp

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200619173055.GA576888@hirez.programming.kicks-ass.net>
Date:   Fri, 19 Jun 2020 19:30:55 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Qais Yousef <qais.yousef@....com>
Cc:     Ingo Molnar <mingo@...hat.com>, Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Patrick Bellasi <patrick.bellasi@...bug.net>,
        Chris Redpath <chrid.redpath@....com>,
        Lukasz Luba <lukasz.luba@....com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] sched/uclamp: Fix initialization of strut uclamp_rq

On Thu, Jun 18, 2020 at 08:55:24PM +0100, Qais Yousef wrote:

> +	for_each_clamp_id(clamp_id) {
> +		memset(uc_rq[clamp_id].bucket,
> +		       0,
> +		       sizeof(struct uclamp_bucket)*UCLAMP_BUCKETS);
> +
> +		uc_rq[clamp_id].value = uclamp_none(clamp_id);

I think you can replace all that with:

		*uc_rq = (struct uclamp_rq){
			.value = uclamp_none(clamp_id),
		};

it's shorter and is free or weird line-breaks :-)

> +	}