linux-kernel - Re: [PATCH] conditionalize some x86-64 options

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

Message-Id: <200611070050.31499.ak@suse.de>
Date:	Tue, 7 Nov 2006 00:50:31 +0100
From:	Andi Kleen <ak@...e.de>
To:	"Ulrich Drepper" <drepper@...il.com>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Andrew Morton" <akpm@...l.org>
Subject: Re: [PATCH] conditionalize some x86-64 options

On Tuesday 07 November 2006 00:19, Ulrich Drepper wrote:
> On 11/4/06, Andi Kleen <ak@...e.de> wrote:
> > No -- the CPU selection on x86-64 means "optimize for", but doesn't
> > mean don't run on other CPUs.
> 
> Then please explain this:
> 
> config X86_HT
>         bool
>         depends on SMP && !MK8
>         default y

HT scheduler is just an optimization -- not needed for any functionality.
Doesn't break anything when not there.

But I agree the && !MK8 is bogus and should be probably removed
(or perhaps moved into a default) 

-Andi

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/