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From: Shaohua Li <shaohua.li@intel.com>
To: Tejun Heo <htejun@gmail.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
	"hpa@zytor.com" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"sam@ravnborg.org" <sam@ravnborg.org>,
	"eric.dumazet@gmail.com" <eric.dumazet@gmail.com>
Subject: Re: [patch 2/3] add new macros to make percpu readmostly section correctly align
Date: Mon, 13 Dec 2010 08:41:26 +0800	[thread overview]
Message-ID: <1292200886.2323.15.camel@sli10-conroe> (raw)
In-Reply-To: <4D0243DD.3090507@gmail.com>

On Fri, 2010-12-10 at 23:14 +0800, Tejun Heo wrote:
> Hello,
> 
> On 12/02/2010 03:02 AM, Shaohua Li wrote:
> > percpu readmostly section should start and end at address cachline aligned.
> > Idealy we should change PERCPU_VADDR/PERCPU, but I can't change all arch code, so
> > I add new macros for x86.
> > 
> > Signed-off-by: Shaohua Li <shaohua.li@intel.com>
> 
> Why add another set of macros?  Can't you just make the default one
> aligned?
how to do it without changing all arch code? There isn't cache line size
macro for all arch which could be used in vmlinux.lds.h, IIRC.

Thanks,
Shaohua


  reply	other threads:[~2010-12-13  0:41 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-02  2:02 Shaohua Li
2010-12-10 15:14 ` Tejun Heo
2010-12-13  0:41   ` Shaohua Li [this message]
2010-12-13  9:47     ` Tejun Heo
2010-12-14  1:08       ` Shaohua Li
2010-12-14  9:58         ` Tejun Heo
2010-12-15  1:57           ` Shaohua Li
2010-12-15 14:08             ` Tejun Heo
2010-12-15 14:49               ` Tejun Heo
2010-12-16  0:55                 ` Shaohua Li
2010-12-16  0:53               ` Shaohua Li
2010-12-16  5:46                 ` Sam Ravnborg
2010-12-16  5:56                   ` Shaohua Li
2010-12-16  9:50                     ` Tejun Heo
2010-12-20  1:28                       ` Shaohua Li
2010-12-20 15:55                         ` Tejun Heo
2010-12-23  2:38                           ` Shaohua Li
2010-12-27 12:14                             ` Tejun Heo
2010-12-28  0:26                               ` Shaohua Li
2010-12-28 11:13                                 ` Tejun Heo

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