From: Benjamin LaHaise <bcrl@kvack.org>
To: Ravikiran G Thirumalai <kiran@scalex86.org>
Cc: Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, davem@davemloft.net,
netdev@vger.kernel.org, shai@scalex86.org
Subject: Re: [patch 1/4] net: percpufy frequently used vars -- add percpu_counter_mod_bh
Date: Wed, 8 Mar 2006 15:36:42 -0500 [thread overview]
Message-ID: <20060308203642.GZ5410@kvack.org> (raw)
In-Reply-To: <20060308202656.GA4493@localhost.localdomain>
On Wed, Mar 08, 2006 at 12:26:56PM -0800, Ravikiran G Thirumalai wrote:
> +static inline void percpu_counter_mod_bh(struct percpu_counter *fbc, long amount)
> +{
> + local_bh_disable();
> + fbc->count += amount;
> + local_bh_enable();
> +}
Please use local_t instead, then you don't have to do the local_bh_disable()
and enable() and the whole thing collapses down into 1 instruction on x86.
-ben
next prev parent reply other threads:[~2006-03-08 20:42 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-08 1:58 [patch 0/4] net: percpufy frequently used vars on struct proto Ravikiran G Thirumalai
2006-03-08 1:59 ` [patch 1/4] net: percpufy frequently used vars -- add percpu_counter_mod_bh Ravikiran G Thirumalai
2006-03-08 2:13 ` Andrew Morton
2006-03-08 20:26 ` Ravikiran G Thirumalai
2006-03-08 20:36 ` Benjamin LaHaise [this message]
2006-03-08 21:07 ` Ravikiran G Thirumalai
2006-03-08 21:17 ` Benjamin LaHaise
2006-03-08 22:25 ` Ravikiran G Thirumalai
2006-03-08 22:41 ` Benjamin LaHaise
2006-03-08 23:43 ` Andrew Morton
2006-03-09 0:18 ` Ravikiran G Thirumalai
2006-03-09 0:32 ` Andrew Morton
2006-03-09 8:06 ` Ravikiran G Thirumalai
2006-03-09 4:14 ` Andi Kleen
2006-03-09 8:14 ` Nick Piggin
2006-03-09 8:22 ` Ravikiran G Thirumalai
2006-03-09 8:41 ` Nick Piggin
2006-03-09 18:39 ` Benjamin LaHaise
2006-03-08 23:06 ` Andrew Morton
2006-03-08 23:12 ` Andrew Morton
2006-03-09 2:21 ` Andi Kleen
2006-03-09 2:32 ` Andrew Morton
2006-03-08 2:01 ` [patch 2/4] net: percpufy frequently used vars -- struct proto.memory_allocated Ravikiran G Thirumalai
2006-03-08 2:14 ` Andrew Morton
2006-03-08 3:08 ` Ravikiran G Thirumalai
2006-03-08 3:22 ` Andrew Morton
2006-03-08 20:54 ` Ravikiran G Thirumalai
2006-03-08 2:02 ` [patch 3/4] net: percpufy frequently used vars -- proto.sockets_allocated Ravikiran G Thirumalai
2006-03-08 2:16 ` Andrew Morton
2006-03-08 20:56 ` Ravikiran G Thirumalai
2006-03-08 2:03 ` [patch 4/4] net: percpufy frequently used vars -- proto.inuse Ravikiran G Thirumalai
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