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Date: Wed, 13 Apr 2011 05:53:40 +0200 From: Eric Dumazet <eric.dumazet@...il.com> To: Shaohua Li <shaohua.li@...el.com> Cc: lkml <linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>, "cl@...ux.com" <cl@...ux.com>, "tj@...nel.org" <tj@...nel.org> Subject: Re: [PATCH 3/4]percpu_counter: fix code for 32bit systems Le mercredi 13 avril 2011 à 11:03 +0800, Shaohua Li a écrit : > I can do this, but please give a reason. If network code is the only > place requiring disable irq, why not network code do it? > Lot of percpu_counter users dont use full s64 range, but "unsigned long" or "unsigned int". Adding a lock on 32bit arches to get the s64, then truncate it is not needed. This discussion reminds me an old one ;) http://kerneltrap.org/mailarchive/linux-ext4/2008/12/12/4401894 -- 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/
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