linux-kernel - Re: [PATCH v3 2/3] sched/topology: Remove SD_BALANCE

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: <92f38645-c6ae-0e15-fac9-8c6064b5d4cf@arm.com>
Date:   Wed, 29 Jan 2020 17:27:00 +0100
From:   Dietmar Eggemann <dietmar.eggemann@....com>
To:     Valentin Schneider <valentin.schneider@....com>,
        linux-kernel@...r.kernel.org
Cc:     mingo@...hat.com, peterz@...radead.org, vincent.guittot@...aro.org,
        morten.rasmussen@....com, qperret@...gle.com,
        adharmap@...eaurora.org
Subject: Re: [PATCH v3 2/3] sched/topology: Remove SD_BALANCE_WAKE on
 asymmetric capacity systems

On 26/01/2020 21:09, Valentin Schneider wrote:
> From: Morten Rasmussen <morten.rasmussen@....com>

[...]

> @@ -1374,18 +1374,9 @@ sd_init(struct sched_domain_topology_level *tl,
>  	 * Convert topological properties into behaviour.
>  	 */
>  
> -	if (sd->flags & SD_ASYM_CPUCAPACITY) {
> -		struct sched_domain *t = sd;
> -
> -		/*
> -		 * Don't attempt to spread across CPUs of different capacities.
> -		 */
> -		if (sd->child)
> -			sd->child->flags &= ~SD_PREFER_SIBLING;
> -
> -		for_each_lower_domain(t)

It seems that with this goes the last use of for_each_lower_domain().

[...]