linux-kernel - Re: [PATCH] remove no longer use of pdflush interface

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 4 Jun 2012 22:14:28 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Fengguang Wu <fengguang.wu@...el.com>
Cc:	Wanpeng Li <liwp.linux@...il.com>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Jan Kara <jack@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	David Howells <dhowells@...hat.com>,
	James Morris <james.l.morris@...cle.com>,
	Ingo Molnar <mingo@...e.hu>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Wanpeng Li <liwp@...ux.vnet.ibm.com>
Subject: Re: [PATCH] remove no longer use of pdflush interface

On Mon, Jun 4, 2012 at 9:53 PM, Fengguang Wu <fengguang.wu@...el.com> wrote:
> Hi Wanpeng,
>
> On Mon, Jun 04, 2012 at 08:40:42PM +0800, Wanpeng Li wrote:
>> From: Wanpeng Li <liwp@...ux.vnet.ibm.com>
>>
>> remove no longer use of pdflush interface nr_pdflush_threads.
>
> The patch looks good in itself: the nr_pdflush_threads takes no effect
> for many of the recent kernels. But what's the normal process of
> interface removal?  Shall we carry some warning printk for some time
> first or whatever?

Yes. you have to add printk warning for noticing it deprecated.
And add descriptoin in Documentation/ABI/obsolete/ and
Documentation/feature-removal-schedule.txt

I don't know how long we maintain it. Is there any rule for it?
Maybe 1-year is suitable, IMHO.

Thanks.
-- 
Kind regards,
Minchan Kim
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/