From: davidb@codeaurora.org (David Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/7] Re-organize linker layouts
Date: Tue, 19 Jul 2011 10:22:01 -0700 [thread overview]
Message-ID: <20110719172201.GA4557@huya.qualcomm.com> (raw)
In-Reply-To: <alpine.LFD.2.00.1107111803520.14596@xanadu.home>
On Mon, Jul 11, 2011 at 06:14:38PM -0400, Nicolas Pitre wrote:
> > Anyway, maybe we've been going about this the wrong way. Couldn't we
> > just make TEXT_OFFSET be 0x00208000 and then make sure to remove the
> > first 2MB of memory in a machine->reserve() routine if we're MSM?
>
> I think that would certainly be a worthwhile thing to do. This would
> even make ARM_PATCH_PHYS_VIRT more efficient as you won't have to enable
> ARM_PATCH_PHYS_VIRT_16BIT anymore. And even without
> ARM_PATCH_PHYS_VIRT, the compiled code for virt_to_phys() and
> phys_to_virt() would be more efficient.
>
> Whether or not we would like to still keep the ARM_PATCH_PHYS_VIRT_16BIT
> code around is a separate question.
Wouldn't it still be needed if people want to build an ARM kernel that
works on both MSM targets and non-MSM targets?
What about loading the kernel at the next 128MB boundary,
and coming up with a way to use the 126MB before the kernel for
allocation. That might end up being more invasive, though.
David
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
next prev parent reply other threads:[~2011-07-19 17:22 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-06 10:22 [PATCH 0/7] Re-organize linker layouts Russell King - ARM Linux
2011-07-06 10:23 ` [PATCH 1/7] ARM: ensure tag tables are const Russell King - ARM Linux
2011-07-06 10:23 ` [PATCH 2/7] ARM: decompressor: use better output sections Russell King - ARM Linux
2011-07-06 10:23 ` [PATCH 3/7] ARM: vmlinux.lds: move discarded sections to beginning Russell King - ARM Linux
2011-07-06 10:24 ` [PATCH 4/7] ARM: vmlinux.lds: rearrange .init output section Russell King - ARM Linux
2011-07-06 10:24 ` [PATCH 5/7] ARM: vmlinux.lds: remove .rodata/.rodata1 from main .text segment Russell King - ARM Linux
2011-07-06 10:24 ` [PATCH 6/7] ARM: vmlinux.lds: move init sections between text and data sections Russell King - ARM Linux
2011-07-06 10:25 ` [PATCH 7/7] ARM: vmlinux.lds: use _text and _stext the same way as x86 Russell King - ARM Linux
2011-07-06 15:09 ` [PATCH 0/7] Re-organize linker layouts Nicolas Pitre
2011-07-07 17:28 ` Stephen Boyd
2011-07-07 22:36 ` Russell King - ARM Linux
2011-07-08 0:55 ` Stephen Boyd
2011-07-08 9:07 ` Russell King - ARM Linux
2011-07-08 13:46 ` Nicolas Pitre
2011-07-08 16:03 ` Russell King - ARM Linux
2011-07-08 16:56 ` Stephen Boyd
2011-07-08 18:24 ` Nicolas Pitre
2011-07-11 20:17 ` Stephen Boyd
2011-07-11 22:14 ` Nicolas Pitre
2011-07-19 17:22 ` David Brown [this message]
2011-07-19 18:02 ` Nicolas Pitre
2011-07-19 20:42 ` David Brown
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