From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46246) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YLb7y-0005NG-39 for qemu-devel@nongnu.org; Wed, 11 Feb 2015 12:31:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YLb7u-0008Ul-4E for qemu-devel@nongnu.org; Wed, 11 Feb 2015 12:31:06 -0500 Received: from mail-we0-x231.google.com ([2a00:1450:400c:c03::231]:35156) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YLb7t-0008Uh-Uy for qemu-devel@nongnu.org; Wed, 11 Feb 2015 12:31:02 -0500 Received: by mail-we0-f177.google.com with SMTP id l61so4924972wev.8 for ; Wed, 11 Feb 2015 09:31:01 -0800 (PST) Sender: Paolo Bonzini Message-ID: <54DB91D2.6090501@redhat.com> Date: Wed, 11 Feb 2015 18:30:58 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <1423674872-10676-1-git-send-email-pbonzini@redhat.com> <1423674872-10676-2-git-send-email-pbonzini@redhat.com> In-Reply-To: <1423674872-10676-2-git-send-email-pbonzini@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 1/3] rcu: do not let RCU callbacks pile up indefinitely List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, mdroth@us.ibm.com On 11/02/2015 18:14, Paolo Bonzini wrote: > Always process them within half a second. Actually, half a second is too much so I changed it to .05 seconds to err on the safe side and still give time to the sending process to register two-three callbacks in rapid succession. Paolo > Even though waiting a little > is useful, it is not okay to delay e.g. qemu_opts_del forever. > > Signed-off-by: Paolo Bonzini