linux-kernel - Re: [PATCH 2/6] x86: apic

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: <20080816130008.349b031d@infradead.org>
Date:	Sat, 16 Aug 2008 13:00:08 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	"Maciej W. Rozycki" <macro@...ux-mips.org>
Cc:	Cyrill Gorcunov <gorcunov@...il.com>, mingo@...e.hu, hpa@...or.com,
	tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] x86: apic - unify lapic_resume

On Sat, 16 Aug 2008 20:52:07 +0100 (BST)
"Maciej W. Rozycki" <macro@...ux-mips.org> wrote:

> On Sat, 16 Aug 2008, Cyrill Gorcunov wrote:
> 
> > +#ifdef CONFIG_X86_64
> > +	if (x2apic)
> > +		enable_x2apic();
> > +	else
> > +#endif
> 
>  Hmm, x86-64 hardware can run a 32-bit kernel, so it might be a good
> idea to take the opportunity of the merge and extend x2APIC support
> to the 32-bit configuration too.  It should be mostly a mechanical
> change.  Just a suggestion though -- feel free to ignore if you'd
> rather not dive into it. ;)

it's not like you can/want to go over 128 cpus on a 32 bit kernel
though..
-- 
If you want to reach me at my work email, use arjan@...ux.intel.com
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
--
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/