Message-ID: <47B01FF4.1030104@panasas.com>
Date: Mon, 11 Feb 2008 12:14:12 +0200
From: Boaz Harrosh <bharrosh@panasas.com>
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To: Russell King <rmk+lkml@arm.linux.org.uk>
CC: James Bottomley <James.Bottomley@HansenPartnership.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       Adrian Bunk <adrian.bunk@movial.fi>,
       FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
       linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: scsi/arm/fas216.c compile error
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On Mon, Feb 11 2008 at 12:02 +0200, Russell King <rmk+lkml@arm.linux.org.uk> wrote:
> On Mon, Feb 11, 2008 at 11:47:57AM +0200, Boaz Harrosh wrote:
>> On Mon, Feb 11 2008 at 0:44 +0200, James Bottomley <James.Bottomley@HansenPartnership.com> wrote:
>> Andrew this patch was in -mm for two month or so. I was under the impression
>> that you have an arm cross compiler that tries to build every -mm kernel.
>> Is it possible that for some reason this portion did not get compiled?
>> Is there a place that one can inspect the output of -mm compilations, Specially
>> for cross compiled ARCHs?
> 
> Having a patch sit in -mm for ARM doesn't mean a lot since there's no
> guarantee that it'll get built, and that is because the ARM architecture
> is very diverse; it's not possible to build a single kernel to support
> everything.
> 
> So, when akpm builds a kernel for ARM, it's normally centered around one
> particular ARM defconfig (maybe with allyconfig or allmodconfig afterwards)
> but even that won't build all ARM specific code.
> 
> This is why we now have kautobuild - http://armlinux.simtec.co.uk/kautobuild/
> That's the only way we can get decent compilation coverage.
> 
> That system isn't publically accessible (it's not even accessible to me)
> and it only builds the mainline kernels.  Adding -mm to it might be
> possible, but as I understand the situation, even though it uses things
> like ccache, it can take about 10 or so hours to complete a set of builds.
> 
Thanks Russell. That explains it.

I wish they would include an -mm kernel once in a while. like 2-3 every kernel
cycle. It is much nicer to find the problems before they are already in mainline.
I would certainly sleep better. You have my vote.

Boaz

 
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