netdev - Re: wcn36xx: Reduce spinlock in indication handler

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] [day] [month] [year] [list]

Date:   Thu, 14 Dec 2017 16:32:23 +0100
From:   Kalle Valo <kvalo@....qualcomm.com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
CC:     Eugene Krasnikov <k.eugene.e@...il.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        <wcn36xx@...ts.infradead.org>, <linux-wireless@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: wcn36xx: Reduce spinlock in indication handler

Bjorn Andersson <bjorn.andersson@...aro.org> wrote:

> The purpose of pushing indication on a list and handle these in a
> separate worker is to allow the handlers to sleep. It does therefor not
> make much sense to hold the queue spinlock through the entire indication
> worker function.
> 
> By removing items from the queue early we don't need to hold the lock
> throughout the indication worker, allowing the individual handlers to
> sleep.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Signed-off-by: Kalle Valo <kvalo@....qualcomm.com>

Patch applied to ath-next branch of ath.git, thanks.

6d1f37323f5b wcn36xx: Reduce spinlock in indication handler

-- 
https://patchwork.kernel.org/patch/10103469/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches