From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: [PATCH, v2] reduce 'd' debug key's global impact Date: Thu, 6 May 2010 10:37:42 +0100 Message-ID: References: <4BE2A73902000078000018A0@vpn.id2.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4BE2A73902000078000018A0@vpn.id2.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jan Beulich Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On 06/05/2010 10:25, "Jan Beulich" wrote: >> Yes, most definitely. They are cheap and should be added unconditionally to >> the handler if you go this route. > > Hmm, smp_call_function_interrupt() for example also doesn't do this > unconditionally, so I'd prefer having them only in the unlikely code > path. Well, it doesn't matter much either way. Whatever makes the code simpler. -- Keir