From: Arjan van de Ven <arjan@infradead.org>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>,
mingo@elte.hu, hpa@zytor.com, tglx@linutronix.de,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/6] x86: apic - unify lapic_resume
Date: Sat, 16 Aug 2008 13:00:08 -0700 [thread overview]
Message-ID: <20080816130008.349b031d@infradead.org> (raw)
In-Reply-To: <Pine.LNX.4.55.0808162041190.17944@cliff.in.clinika.pl>
On Sat, 16 Aug 2008 20:52:07 +0100 (BST)
"Maciej W. Rozycki" <macro@linux-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@linux.intel.com
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2008-08-16 20:00 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-16 19:21 one more apic merging preliminary series Cyrill Gorcunov
2008-08-16 19:21 ` [PATCH 1/6] x86: apic - unify clear_local_APIC Cyrill Gorcunov
2008-08-16 19:21 ` [PATCH 2/6] x86: apic - unify lapic_resume Cyrill Gorcunov
2008-08-16 19:52 ` Maciej W. Rozycki
2008-08-16 20:00 ` Arjan van de Ven [this message]
2008-08-16 20:12 ` Cyrill Gorcunov
2008-08-18 14:19 ` Maciej W. Rozycki
2008-08-18 14:39 ` Cyrill Gorcunov
2008-08-16 20:25 ` Maciej W. Rozycki
2008-08-16 20:05 ` Cyrill Gorcunov
2008-08-16 19:21 ` [PATCH 3/6] x86: apic - unify lapic_suspend Cyrill Gorcunov
2008-08-16 19:21 ` [PATCH 4/6] x86: apic - rearrange functions and comments Cyrill Gorcunov
2008-08-16 19:21 ` [PATCH 5/6] x86: apic - unify lapic_is_integrated Cyrill Gorcunov
2008-08-16 19:21 ` [PATCH 6/6] x86: apic - unify xapic_icr_read Cyrill Gorcunov
2008-08-17 12:45 ` one more apic merging preliminary series Ingo Molnar
2008-08-17 13:12 ` Cyrill Gorcunov
2008-08-18 20:37 ` Suresh Siddha
2008-08-19 0:21 ` Ingo Molnar
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