From: dv@vollmann•ch (Detlef Vollmann)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 0/5] ARM: orion5x/dove/mv78xx0 multiplatform
Date: Thu, 10 Dec 2015 22:14:25 +0100 [thread overview]
Message-ID: <5669EB31.4050700@vollmann.ch> (raw)
In-Reply-To: <1802654.n0lYxNZ2px@wuerfel>
On 12/10/15 21:59, Arnd Bergmann wrote:
> On Thursday 10 December 2015 20:03:18 Detlef Vollmann wrote:
>> On 12/10/15 14:43, Arnd Bergmann wrote:
>>> On Thursday 10 December 2015 14:18:11 Arnd Bergmann wrote:
>>>> On Thursday 10 December 2015 13:56:05 Detlef Vollmann wrote:
>>
>>>>> The bad news:
>>>>> My own config (which is massivly stripped down) produces a kernel
>>>>> image that's more than 26K bigger than on v4.4-rc3 without any
>>>>> added functionality.
>>>>> The DNS-323 is extremly constrained in space (the whole system
>>>>> including boot loader, kernel and filesystem has to fit into 8M flash).
>>>>> Any ideas how I can get rid of this additional overhead?
>>>>
>>>> Can you send me your config file? I can have a look.
>>>>
>>>
>>> I've done a quick check with an allnoconfig-like test and it seems that
>>> CONFIG_OF is weighing in at around 86K here, with all the other options
>>> it pulls in, comparing an allnoconfig kernel for DS-323 with one that
>>> has CONFIG_OF enabled as well.
>>>
>>> The multiplatform kernel also enables CONFIG_OF unconditionally, but is
>>> otherwise a little smaller than the mach-orion5x based one:
>>>
>>> text data bss dec hex filename
>>> 942144 64112 17648 1023904 f9fa0 build/tmp/vmlinux-orion-allno
>>> 1027516 54052 20824 1102392 10d238 build/tmp/vmlinux-multi-plus-orion
>>> 1025320 66020 18744 1110084 10f044 build/tmp/vmlinux-orion-plus-of
>>>
>>> The diff below shows all the differences between orion-allno and
>>> multi-plus-orion.
>> How did you get the orion-allno config and how did you get it compiled?
>> I tried to apply your changes to my config and compile it, but
>> it started silentoldconfig which introduced back 'ARCH_MULTIPLATFORM'
>
> The first and third row are without my patches, once they are applied,
> ARCH_ORION becomes a sub-option of ARCH_MULTIPLATFORM.
So with your patches it's no longer possible to build a small kernel, correct?
Detlef
next prev parent reply other threads:[~2015-12-10 21:14 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-25 15:49 [PATCH 0/5] ARM: orion5x/dove/mv78xx0 multiplatform Arnd Bergmann
2015-11-25 15:49 ` [PATCH 1/5] ARM: orion: move watchdog setup to mach-orion5x Arnd Bergmann
2015-11-25 15:49 ` [PATCH 2/5] ARM: orion: always use MULTI_IRQ_HANDLER Arnd Bergmann
2015-11-25 15:49 ` [PATCH 3/5] ARM: orion: use SPARSE_IRQ everywhere Arnd Bergmann
2015-11-25 15:49 ` [PATCH 4/5] ARM: orion: clean up mach/*.h headers Arnd Bergmann
2015-11-25 15:49 ` [PATCH 5/5] ARM: orion: multiplatform support Arnd Bergmann
2015-11-25 16:09 ` [PATCH 0/5] ARM: orion5x/dove/mv78xx0 multiplatform Andrew Lunn
2015-11-25 17:34 ` Gregory CLEMENT
2015-11-25 17:44 ` Andrew Lunn
2015-11-25 19:58 ` Arnd Bergmann
2015-11-26 14:50 ` Jason Cooper
2015-11-25 18:37 ` Russell King - ARM Linux
2015-11-25 19:16 ` Andrew Lunn
2015-11-25 19:29 ` Russell King - ARM Linux
2015-11-25 23:19 ` Russell King - ARM Linux
2015-11-25 20:05 ` Arnd Bergmann
2015-11-25 22:47 ` Russell King - ARM Linux
2015-11-25 20:14 ` Andrew Lunn
2015-11-30 13:37 ` Gregory CLEMENT
2015-11-30 13:43 ` Gregory CLEMENT
2015-12-01 17:22 ` Detlef Vollmann
2015-12-02 11:08 ` Gregory CLEMENT
2015-12-02 14:55 ` Andrew Lunn
2015-12-10 12:56 ` Detlef Vollmann
2015-12-10 13:18 ` Arnd Bergmann
2015-12-10 13:43 ` Arnd Bergmann
2015-12-10 19:03 ` Detlef Vollmann
2015-12-10 20:59 ` Arnd Bergmann
2015-12-10 21:14 ` Detlef Vollmann [this message]
2015-12-10 21:29 ` Arnd Bergmann
2015-12-10 22:00 ` Detlef Vollmann
2015-12-10 23:10 ` Arnd Bergmann
2015-12-11 13:36 ` Jason Cooper
2015-12-11 14:46 ` Arnd Bergmann
2015-12-11 14:55 ` Jason Cooper
2015-12-11 22:41 ` Detlef Vollmann
2015-12-11 18:27 ` Josh Triplett
2015-12-11 18:46 ` Jason Cooper
2015-12-11 19:08 ` Josh Triplett
2015-12-11 19:14 ` Jason Cooper
[not found] ` <5669808F.2050909@vollmann.ch>
2015-12-11 21:33 ` Arnd Bergmann
2015-12-11 23:18 ` Detlef Vollmann
2015-12-01 22:51 ` Andrew Lunn
2015-12-01 22:55 ` Arnd Bergmann
2015-12-02 11:03 ` Gregory CLEMENT
2015-12-02 12:33 ` Russell King - ARM Linux
2015-12-02 15:49 ` Arnd Bergmann
2015-12-02 19:28 ` Russell King - ARM Linux
2015-12-02 19:37 ` Russell King - ARM Linux
2015-12-02 19:54 ` Arnd Bergmann
2015-12-02 19:51 ` Arnd Bergmann
2015-12-02 20:22 ` Russell King - ARM Linux
2015-12-02 20:38 ` Andrew Lunn
2015-12-02 21:03 ` Russell King - ARM Linux
2015-12-02 21:15 ` Arnd Bergmann
2015-12-02 23:59 ` Andrew Lunn
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