From: Tejun Heo <tj@kernel.org>
To: Jan Beulich <JBeulich@novell.com>
Cc: mingo@elte.hu, andi@firstfloor.org, tglx@linutronix.de,
linux-kernel@vger.kernel.org, hpa@zytor.com
Subject: Re: [PATCH 4/5] x86: implement percpu_alloc kernel parameter
Date: Fri, 15 May 2009 18:27:22 +0900 [thread overview]
Message-ID: <4A0D357A.1070705@kernel.org> (raw)
In-Reply-To: <4A0D3E11020000780000109C@vpn.id2.novell.com>
Jan Beulich wrote:
>>>> Tejun Heo <tj@kernel.org> 15.05.09 06:28 >>>
>> @@ -395,6 +404,16 @@ out_free_ar:
>> return ret;
>> }
>>
>> +/* for explicit first chunk allocator selection */
>> +static char pcpu_chosen_alloc[16] __initdata;
>> +
>> +static int __init percpu_alloc_setup(char *str)
>> +{
>> + strncpy(pcpu_chosen_alloc, str, sizeof(pcpu_chosen_alloc) - 1);
>> + return 0;
>> +}
>> +early_param("percpu_alloc", percpu_alloc_setup);
>> +
>> static inline void setup_percpu_segment(int cpu)
>> {
>> #ifdef CONFIG_X86_32
>
> Does this really need to be early_param()? setup_per_cpu_areas()
> runs after setup_arch(), which is where the full command line
> parsing happens.
__setup() callbacks ran after PERCPU allocation. Confirmed with
printk.
Thanks.
--
tejun
next prev parent reply other threads:[~2009-05-15 9:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-15 4:28 [GIT PATCH 2.6.30-rc5] x86,percpu: fix pageattr handling with remap allocator, take#2 Tejun Heo
2009-05-15 4:28 ` [PATCH 1/5] x86: prepare setup_pcpu_remap() for pageattr fix Tejun Heo
2009-05-15 4:28 ` [PATCH 2/5] x86: reorganize cpa_process_alias() Tejun Heo
2009-05-15 9:35 ` [PATCH UPDATED " Tejun Heo
2009-05-15 4:28 ` [PATCH 3/5] x86: fix pageattr handling for remap percpu allocator Tejun Heo
2009-05-15 7:58 ` Jan Beulich
2009-05-15 8:18 ` Tejun Heo
2009-05-15 9:35 ` [PATCH UPDATED " Tejun Heo
2009-05-15 4:28 ` [PATCH 4/5] x86: implement percpu_alloc kernel parameter Tejun Heo
2009-05-15 8:04 ` Jan Beulich
2009-05-15 9:27 ` Tejun Heo [this message]
2009-05-15 4:28 ` [PATCH 5/5] x86: ensure percpu remap doesn't consume too much vmalloc space Tejun Heo
2009-05-15 9:36 ` [GIT PATCH 2.6.30-rc5] x86,percpu: fix pageattr handling with remap allocator, take#2 Tejun Heo
2009-05-15 9:52 ` [GIT PATCH 2.6.30-rc5] x86,percpu: fix pageattr handling withremap " Jan Beulich
[not found] ` <4A0D57920200007800001150@novell.com>
2009-05-15 10:08 ` Tejun Heo
-- strict thread matches above, loose matches on Subject: below --
2009-06-01 6:34 [GIT PATCH core/percpu] x86,percpu: fix pageattr handling with remap allocator, take#3 Tejun Heo
2009-06-01 6:34 ` [PATCH 4/5] x86: implement percpu_alloc kernel parameter Tejun Heo
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