linux-kernel - Re: mmotm 2013-01-11-15-47 uploaded (x86 asm-offsets broken)

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Message-ID: <1358009534.2168.22.camel@joe-AO722>
Date:	Sat, 12 Jan 2013 08:52:14 -0800
From:	Joe Perches <joe@...ches.com>
To:	sedat.dilek@...il.com
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Randy Dunlap <rdunlap@...radead.org>,
	akpm@...ux-foundation.org, mm-commits@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-fsdevel@...r.kernel.org, linux-next@...r.kernel.org
Subject: Re: mmotm 2013-01-11-15-47 uploaded (x86 asm-offsets broken)

On Sat, 2013-01-12 at 11:13 +0100, Sedat Dilek wrote:
> On Sat, Jan 12, 2013 at 3:29 AM, Joe Perches <joe@...ches.com> wrote:
> > On Sat, 2013-01-12 at 13:17 +1100, Stephen Rothwell wrote:
> >> On Fri, 11 Jan 2013 17:43:06 -0800 Randy Dunlap <rdunlap@...radead.org> wrote:
> >> >
> >> > b0rked.
> >> >
> >> > Some (randconfig?) causes this set of errors:
> >
> > I guess that's when CONFIG_HZ is not an even divisor of 1000.
> > I suppose this needs to be worked on a bit more.
[]
> I remember this patch from Joe come up with a pending patch in
> net-next.git#master
[]
> As I see Randy has in his kernel-config:
> CONFIG_HZ=300
> So there is a problem for the value "300" (only)?

Basically, this problem exists whenever timeconst.h
is necessary.

kernel/Makefile has code to create it in kernel/
and kernel/time.c is the only file that uses it.

That code will need to be removed and newly written
somewhere so that timeconst.h could be created as
include/linux/timeconst.h before any other compilation
so that jiffies.h can #include it.

I believe it should be akin to how version.h or
elfconfig.h is created.

Someone with stronger Makefile foo could probably do
it quicker than I could.

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