From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:43511) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1REhIW-000217-NU for qemu-devel@nongnu.org; Fri, 14 Oct 2011 08:55:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1REhIS-0006e5-Il for qemu-devel@nongnu.org; Fri, 14 Oct 2011 08:55:36 -0400 Received: from lo.gmane.org ([80.91.229.12]:56659) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1REhIS-0006dw-7k for qemu-devel@nongnu.org; Fri, 14 Oct 2011 08:55:32 -0400 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1REhIP-0000wT-Ks for qemu-devel@nongnu.org; Fri, 14 Oct 2011 14:55:29 +0200 Received: from 93-34-218-143.ip51.fastwebnet.it ([93.34.218.143]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 14 Oct 2011 14:55:29 +0200 Received: from pbonzini by 93-34-218-143.ip51.fastwebnet.it with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 14 Oct 2011 14:55:29 +0200 From: Paolo Bonzini Date: Fri, 14 Oct 2011 14:55:17 +0200 Message-ID: References: <1318436475-20691-1-git-send-email-peter.maydell@linaro.org> <4E96F51A.8080200@suse.de> <4E9764D7.5020103@web.de> <4E982F5D.40801@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit In-Reply-To: <4E982F5D.40801@redhat.com> Subject: Re: [Qemu-devel] [PATCH] configure: Detect when glibc implements makecontext() to always fail List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org On 10/14/2011 02:47 PM, Paolo Bonzini wrote: > A user-space longjmp will always be slower than a mutex+condvar+context > switch. Gah, I obviously meant faster. :) Paolo