From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wright <chrisw@sous-sol.org>
Subject: Re: [patch 13/26] Xen-paravirt_ops: Consistently wrap
	paravirt ops callsites to make them patchable
Date: Mon, 19 Mar 2007 11:41:37 -0700
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To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: zach@vmware.com, jeremy@goop.org, xen-devel@lists.xensource.com, anthony@codemonkey.ws, virtualization@lists.osdl.org, netdev@vger.kernel.org, Rusty Russell <rusty@rustcorp.com.au>, linux-kernel@vger.kernel.org, chrisw@sous-sol.org, Andi Kleen <ak@muc.de>, mingo@elte.hu, akpm@linux-foundation.org, torvalds@linux-foundation.org, David Miller <davem@davemloft.net>
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* Eric W. Biederman (ebiederm@xmission.com) wrote:
> Is it truly critical to inline any of these instructions?

I don't have any current measurements.  But we'd been aiming
at getting irq_{en,dis}able to a simple memory write to pda.
But simplicity, maintenance, etc. win over trimming a couple
cycles, so still worth real look.

thanks,
-chris