linux-kernel - Re: [RFC][PATCH] Add do_not_call_when_idle option to timer and workqueue

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Message-ID: <45640F56.5040509@linux.intel.com>
Date:	Wed, 22 Nov 2006 09:50:30 +0100
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Avi Kivity <avi@...o.co.il>
CC:	Andrew Morton <akpm@...l.org>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...esys.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFC][PATCH] Add do_not_call_when_idle option to timer and workqueue

Avi Kivity wrote:
> The lsb of a function pointer is used in variable length instruction 
> processors (such as x86 when optimizing for size).  The msb is constant 
> though.
> 

x86 aligns the start of functions to 4 bytes even when optimizing for 
size though...
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