From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC 5/5] ARM: P2V: extend to 16-bit translation offsets
Date: Mon, 7 Feb 2011 08:19:40 -0800 [thread overview]
Message-ID: <20110207161940.GI20795@atomide.com> (raw)
In-Reply-To: <20110105001359.GH24935@n2100.arm.linux.org.uk>
* Russell King - ARM Linux <linux@arm.linux.org.uk> [110104 16:27]:
> On Tue, Jan 04, 2011 at 03:18:46PM -0800, David Brown wrote:
> > On Tue, Jan 04 2011, Russell King - ARM Linux wrote:
> >
> > > MSM's memory is aligned to 2MB, which is more than we can do with our
> > > existing method as we're limited to the upper 8 bits. Extend this by
> > > using two instructions to 16 bits, automatically selected when MSM is
> > > enabled.
> >
> > I should also add that this series adds a warning to my build when
> > CONFIG_ARM_PATCH_PHYS_VIRT is not defined:
> >
> > arch/arm/kernel/module.c:279: error: 'find_mod_section' defined but not used
>
> Hmm, probably best to mark this with __maybe_unused.
>
> Also note that I messed up the 16-23 bit shift value in this patch - it
> needs:
>
> - orr r0, r0, #0x400 @ mask in rotate right 8 bits
> + orr r0, r0, #0x800 @ mask in rotate right 16 bits
>
Can't really test this one, but things still keep working so:
Acked-by: Tony Lindgren <tony@atomide.com>
next prev parent reply other threads:[~2011-02-07 16:19 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-04 20:20 [RFC 0/5] runtime P2V translations Russell King - ARM Linux
2011-01-04 20:20 ` Russell King - ARM Linux
2011-01-04 20:22 ` [RFC 1/5] ARM: P2V: separate PHYS_OFFSET from platform definitions Russell King - ARM Linux
2011-01-04 20:22 ` Russell King - ARM Linux
2011-01-04 21:10 ` Nicolas Pitre
2011-01-04 21:10 ` Nicolas Pitre
2011-01-05 22:30 ` Russell King - ARM Linux
2011-01-05 22:30 ` Russell King - ARM Linux
2011-01-04 21:23 ` Uwe Kleine-König
2011-01-04 21:23 ` Uwe Kleine-König
2011-01-05 0:04 ` Russell King - ARM Linux
2011-01-05 0:04 ` Russell King - ARM Linux
2011-01-05 6:25 ` Uwe Kleine-König
2011-01-05 6:25 ` Uwe Kleine-König
2011-01-05 3:28 ` viresh kumar
2011-01-05 3:28 ` viresh kumar
2011-01-05 17:04 ` H Hartley Sweeten
2011-01-05 17:04 ` H Hartley Sweeten
2011-01-06 5:02 ` Magnus Damm
2011-01-06 5:02 ` Magnus Damm
2011-02-07 15:57 ` Tony Lindgren
2011-02-07 15:57 ` Tony Lindgren
2011-02-07 16:36 ` Jean-Christophe PLAGNIOL-VILLARD
2011-02-07 16:36 ` Jean-Christophe PLAGNIOL-VILLARD
2011-02-08 11:22 ` Wan ZongShun
2011-02-08 11:22 ` Wan ZongShun
2011-02-17 5:33 ` Kukjin Kim
2011-02-17 5:33 ` Kukjin Kim
2011-02-17 15:16 ` Eric Miao
2011-02-17 15:16 ` Eric Miao
2011-02-17 18:07 ` JD (Jiandong) Zheng
2011-02-17 18:07 ` JD (Jiandong) Zheng
2011-01-04 20:22 ` [RFC 2/5] ARM: P2V: avoid initializers and assembly using PHYS_OFFSET Russell King - ARM Linux
2011-01-04 20:22 ` Russell King - ARM Linux
2011-01-04 21:12 ` Nicolas Pitre
2011-01-04 21:12 ` Nicolas Pitre
2011-01-06 8:51 ` Sascha Hauer
2011-01-06 8:51 ` Sascha Hauer
2011-01-06 9:08 ` Russell King - ARM Linux
2011-01-06 9:08 ` Russell King - ARM Linux
2011-02-07 15:59 ` Tony Lindgren
2011-02-07 15:59 ` Tony Lindgren
2011-02-07 16:51 ` Uwe Kleine-König
2011-02-07 16:51 ` Uwe Kleine-König
2011-02-07 16:52 ` Uwe Kleine-König
2011-02-07 16:52 ` Uwe Kleine-König
2011-02-17 5:36 ` Kukjin Kim
2011-02-17 5:36 ` Kukjin Kim
2011-02-17 14:11 ` Russell King - ARM Linux
2011-02-17 14:11 ` Russell King - ARM Linux
2011-02-17 16:19 ` David Brown
2011-02-17 16:19 ` David Brown
2011-02-17 15:16 ` Eric Miao
2011-02-17 15:16 ` Eric Miao
2011-01-04 20:22 ` [RFC 3/5] ARM: P2V: make head.S use PLAT_PHYS_OFFSET Russell King - ARM Linux
2011-01-04 21:13 ` Nicolas Pitre
2011-02-07 16:12 ` Tony Lindgren
2011-01-04 20:23 ` [RFC 4/5] ARM: P2V: introduce phys_to_virt/virt_to_phys runtime patching Russell King - ARM Linux
2011-01-04 21:27 ` Nicolas Pitre
2011-01-05 0:08 ` Russell King - ARM Linux
2011-02-07 16:15 ` Tony Lindgren
2011-02-09 12:17 ` Jamie Iles
2011-02-09 13:06 ` Russell King - ARM Linux
2011-01-04 20:23 ` [RFC 5/5] ARM: P2V: extend to 16-bit translation offsets Russell King - ARM Linux
2011-01-04 21:41 ` Nicolas Pitre
2011-01-05 0:15 ` Russell King - ARM Linux
2011-01-04 23:14 ` David Brown
2011-01-04 23:18 ` David Brown
2011-01-05 0:13 ` Russell King - ARM Linux
2011-02-07 16:19 ` Tony Lindgren [this message]
2011-02-17 14:15 ` [RFC 0/5] runtime P2V translations Russell King - ARM Linux
2011-02-17 14:15 ` Russell King - ARM Linux
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