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

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Message-ID: <CA+icZUXVJPrV7-hPa3GNtabijXvktY6tHqKMJ3u5vm-fQV4+fg@mail.gmail.com>
Date:	Sat, 12 Jan 2013 12:12:15 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Joe Perches <joe@...ches.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, Jan 12, 2013 at 11:13 AM, Sedat Dilek <sedat.dilek@...il.com> 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 [1] (I mention this as I have not seen hit it in
> latest Linux-Next whereas this latest mmotm includes it [2]).
>
> $ grep "config HZ_" kernel/Kconfig.hz
>         config HZ_100
>         config HZ_250
>         config HZ_300
>         config HZ_1000
>
> As I see Randy has in his kernel-config:
>
> # CONFIG_HZ_100 is not set
> # CONFIG_HZ_250 is not set
> CONFIG_HZ_300=y
> # CONFIG_HZ_1000 is not set
> CONFIG_HZ=300
>
> So there is a problem for the value "300" (only)?
>
> Regards,
> - Sedat -
>
>
> [1] http://git.kernel.org/?p=linux/kernel/git/davem/net-next.git;a=commitdiff;h=c10d73671ad30f54692f7f69f0e09e75d3a8926a
> [2] http://git.cmpxchg.org/?p=linux-mmotm.git&a=search&h=HEAD&st=commit&s=softirq
>

That is the patch by Joe in question: "jiffies conversions: Use
compile time constants when possible" (see also [1]).

- Sedat -

[1] http://git.cmpxchg.org/?p=linux-mmotm.git;a=commitdiff;h=049aaaabf2476318f9a2708e3cbd2b2c937faeb0

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