From: slash.tmp@free•fr (Mason)
To: linux-arm-kernel@lists•infradead.org
Subject: Steps to submit a new arch/arm port
Date: Wed, 23 Sep 2015 10:49:25 +0200 [thread overview]
Message-ID: <56026795.3090403@free.fr> (raw)
In-Reply-To: <20150922162947.GC21084@n2100.arm.linux.org.uk>
On 22/09/2015 18:29, Russell King - ARM Linux wrote:
> On Tue, Sep 22, 2015 at 05:54:04PM +0200, Mason wrote:
>> On 22/09/2015 16:51, Arnd Bergmann wrote:
>>> On Tuesday 22 September 2015 16:36:48 Mason wrote:
>>>> On 21/09/2015 17:49, Arnd Bergmann wrote:
>>>> +config ARM_L1_CACHE_SHIFT
>>>> + int
>>>> + default 5
>>>
>>> This conflicts with the other definition of the same symbol.
>>
>> I asked about this a long time ago. Maybe I didn't understand
>> Russell's answer?
>>
>> http://thread.gmane.org/gmane.linux.ports.arm.kernel/402968
>>
>> How do I force ARM_L1_CACHE_SHIFT to 5 for my platform?
>> It saves ~6% of the .data section size.
>> (Not worth it?)
>
> It's really not worth the complexity in Kconfig to make it work - we
> would need some way to detect a configuration where _only_ your
> platform is enabled, and the statement for that is likely to be very
> big, and very difficult to maintain into the future.
Doh! I keep missing the ramifications of the ARCH_MULTIPLATFORM setting.
How about overriding ARM_L1_CACHE_SHIFT *ONLY* when not building an
ARCH_MULTIPLATFORM kernel?
In my platform Kconfig, something along the lines of
config ARM_L1_CACHE_SHIFT
int
default 5 if !ARCH_MULTIPLATFORM
Regards.
next prev parent reply other threads:[~2015-09-23 8:49 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-21 15:00 Steps to submit a new arch/arm port Mason
2015-09-21 15:49 ` Arnd Bergmann
2015-09-22 14:36 ` Mason
2015-09-22 14:51 ` Arnd Bergmann
2015-09-22 14:56 ` Russell King - ARM Linux
2015-09-22 15:54 ` Mason
2015-09-22 16:29 ` Russell King - ARM Linux
2015-09-23 8:49 ` Mason [this message]
2015-09-23 9:13 ` Russell King - ARM Linux
2015-09-23 9:21 ` Mason
2015-09-23 9:26 ` Russell King - ARM Linux
2015-09-22 19:15 ` Arnd Bergmann
2015-09-23 9:26 ` Mason
2015-09-23 9:34 ` Arnd Bergmann
2015-09-25 13:06 ` Mason
2015-09-25 13:17 ` Arnd Bergmann
2015-09-25 13:35 ` Mason
2015-09-25 14:11 ` Arnd Bergmann
2015-09-25 15:28 ` Mason
2015-09-25 15:33 ` Mason
2015-09-25 15:49 ` Arnd Bergmann
2015-09-25 15:52 ` Arnd Bergmann
2015-09-25 16:09 ` Mason
2015-09-25 17:20 ` Arnd Bergmann
2015-09-28 13:48 ` Mason
2015-09-28 14:43 ` Måns Rullgård
2015-09-28 16:32 ` Mason
2015-09-28 17:29 ` Russell King - ARM Linux
2015-09-22 15:48 ` Måns Rullgård
2015-09-25 9:27 ` Mason
2015-09-25 9:46 ` Javier Martinez Canillas
2015-09-25 11:56 ` Arnd Bergmann
2015-09-25 12:06 ` Russell King - ARM Linux
2015-09-21 15:51 ` Måns Rullgård
2015-09-21 16:13 ` Russell King - ARM Linux
2015-09-22 16:08 ` Mason
2015-09-22 16:24 ` Russell King - ARM Linux
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=56026795.3090403@free.fr \
--to=slash.tmp@free$(echo .)fr \
--cc=linux-arm-kernel@lists$(echo .)infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox