linux-kernel - Re: [PATCH] cpu/hotplug: Create SMT sysfs interface for all arches

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: <alpine.DEB.2.21.1903061633010.1646@nanos.tec.linutronix.de>
Date:   Wed, 6 Mar 2019 16:44:40 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Andrea Arcangeli <aarcange@...hat.com>,
        Waiman Long <longman@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Jiri Kosina <jikos@...nel.org>,
        Greg KH <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] cpu/hotplug: Create SMT sysfs interface for all arches

Josh,

On Fri, 1 Mar 2019, Josh Poimboeuf wrote:
> Make the /sys/devices/system/cpu/smt/* files available on all arches, so
> user space has a consistent way to detect whether SMT is enabled.
> 
> The 'control' file now shows 'notsupported' for architectures which
> don't yet have CONFIG_HOTPLUG_SMT.

Yes, that makes sense.

<SNIP>

Nice work!. I'll pick it up and queue it for 5.2.

Thanks,

	tglx