From: eric.y.miao@gmail.com (Eric Miao)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/9] ARM: pxa: enable sparsemem in saarb
Date: Sat, 2 Apr 2011 14:48:54 +0800 [thread overview]
Message-ID: <BANLkTi=2VfUTb3ne3LtTa851roJXZeg1CA@mail.gmail.com> (raw)
In-Reply-To: <20110401183325.GB8482@n2100.arm.linux.org.uk>
On Sat, Apr 2, 2011 at 2:33 AM, Russell King - ARM Linux
<linux@arm.linux.org.uk> wrote:
> On Fri, Apr 01, 2011 at 01:10:52PM +0800, Eric Miao wrote:
>> On Fri, Apr 1, 2011 at 12:35 PM, Haojian Zhuang <hzhuang1@marvell.com> wrote:
>> > If I use HIGHMEM now, our some drivers and apps should be changed also. We don't want to change them.
>>
>> I don't understand this will cause side effects to other drivers and apps?
>
> If they're not using kmap_atomic() but are dealing directly with
> page addresses, they'll fail if the pages are coming from highmem.
>
> Given Linus' complaints in the OMAP pull request thread, I think we
> should refuse, and have the drivers fixed to work with highmem.
>
That's what I thought as well.
Haojian,
Please work on enabling highmem, anything that's going to prevent
us from having a single kernel binary, will just make the situation
worse. Thanks
next prev parent reply other threads:[~2011-04-02 6:48 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <040101>
2011-04-01 2:39 ` [PATCH 1/9] ARM: pxa: add clk_set_rate() Haojian Zhuang
2011-04-01 2:39 ` [PATCH 2/9] ARM: pxa: enable sparsemem in saarb Haojian Zhuang
2011-04-01 2:39 ` [PATCH 3/9] ARM: mmp: remove redundant macro definition in mfp Haojian Zhuang
2011-04-01 2:39 ` [PATCH 4/9] ARM: pxa: use gpio reset Haojian Zhuang
2011-04-01 2:39 ` [PATCH 5/9] ARM: mmp: set correct uart according to board Haojian Zhuang
2011-04-01 2:39 ` [PATCH 6/9] ARM: mmp: update the reset implementation Haojian Zhuang
2011-04-01 2:39 ` [PATCH 7/9] ARM: pxa: align NR_BUILTIN_GPIO with GPIO interrupt number Haojian Zhuang
2011-04-01 2:39 ` [PATCH 8/9] ARM: mmp: align NR_BUILTIN_GPIO with gpio " Haojian Zhuang
2011-04-01 2:39 ` [PATCH 9/9] ARM: mmp: enable max7312 gpio expander in dkb Haojian Zhuang
2011-04-01 18:36 ` Russell King - ARM Linux
2011-07-05 7:14 ` Eric Miao
2011-04-01 18:35 ` [PATCH 4/9] ARM: pxa: use gpio reset Russell King - ARM Linux
2011-04-03 10:39 ` Igor Grinberg
2011-04-01 4:51 ` [PATCH 3/9] ARM: mmp: remove redundant macro definition in mfp Eric Miao
2011-04-01 5:09 ` Haojian Zhuang
2011-04-01 5:31 ` Eric Miao
2011-04-01 5:45 ` Haojian Zhuang
2011-04-01 6:47 ` Eric Miao
2011-04-01 3:45 ` [PATCH 2/9] ARM: pxa: enable sparsemem in saarb Eric Miao
2011-04-01 4:35 ` Haojian Zhuang
2011-04-01 5:10 ` Eric Miao
2011-04-01 18:33 ` Russell King - ARM Linux
2011-04-02 6:48 ` Eric Miao [this message]
2011-04-01 18:31 ` Russell King - ARM Linux
2011-04-01 3:36 ` [PATCH 1/9] ARM: pxa: add clk_set_rate() Eric Miao
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