[{"id":1772691,"web_url":"http://patchwork.ozlabs.org/comment/1772691/","msgid":"<87vakcb93h.fsf@concordia.ellerman.id.au>","date":"2017-09-21T11:10:42","subject":"Re: [PATCH 0/5] More NMI IPI enablement work","submitter":{"id":46580,"url":"http://patchwork.ozlabs.org/api/people/46580/","name":"Michael Ellerman","email":"mpe@ellerman.id.au"},"content":"Nicholas Piggin writes:\n\n> Hi,\n>\n> Here is the NMI IPI enablement for powernv, which requires\n> supported firmware and hardware:\n>\n> https://lists.ozlabs.org/pipermail/skiboot/2017-September/009111.html\n>\n> And some preceeding patches that fix issues I ran into when\n> testing it.\n\nAre any of these critical such that I should pick them up for 4.14 or\nearlier?\n\ncheers","headers":{"Return-Path":"","X-Original-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xyYpk6qJCz9t43\n\tfor ;\n\tThu, 21 Sep 2017 21:11:58 +1000 (AEST)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xyYpk5pRFzDrFM\n\tfor ;\n\tThu, 21 Sep 2017 21:11:58 +1000 (AEST)","from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xyYnH1KPYzDqZv\n\tfor ;\n\tThu, 21 Sep 2017 21:10:43 +1000 (AEST)","from authenticated.ozlabs.org (localhost [127.0.0.1])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPSA id 3xyYnG5fPJz9t3m;\n\tThu, 21 Sep 2017 21:10:42 +1000 (AEST)"],"From":"Michael Ellerman ","To":"Nicholas Piggin , linuxppc-dev@lists.ozlabs.org","Subject":"Re: [PATCH 0/5] More NMI IPI enablement work","In-Reply-To":"<20170918082706.6485-1-npiggin@gmail.com>","References":"<20170918082706.6485-1-npiggin@gmail.com>","User-Agent":"Notmuch/0.21 (https://notmuchmail.org)","Date":"Thu, 21 Sep 2017 21:10:42 +1000","Message-ID":"<87vakcb93h.fsf@concordia.ellerman.id.au>","MIME-Version":"1.0","Content-Type":"text/plain","X-BeenThere":"linuxppc-dev@lists.ozlabs.org","X-Mailman-Version":"2.1.24","Precedence":"list","List-Id":"Linux on PowerPC Developers Mail List\n\t","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Nicholas Piggin ","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"}},{"id":1772779,"web_url":"http://patchwork.ozlabs.org/comment/1772779/","msgid":"<20170921223330.63f36695@roar.ozlabs.ibm.com>","date":"2017-09-21T12:33:30","subject":"Re: [PATCH 0/5] More NMI IPI enablement work","submitter":{"id":69518,"url":"http://patchwork.ozlabs.org/api/people/69518/","name":"Nicholas Piggin","email":"npiggin@gmail.com"},"content":"On Thu, 21 Sep 2017 21:10:42 +1000\nMichael Ellerman wrote:\n\n> Nicholas Piggin writes:\n> \n> > Hi,\n> >\n> > Here is the NMI IPI enablement for powernv, which requires\n> > supported firmware and hardware:\n> >\n> > https://lists.ozlabs.org/pipermail/skiboot/2017-September/009111.html\n> >\n> > And some preceeding patches that fix issues I ran into when\n> > testing it. \n> \n> Are any of these critical such that I should pick them up for 4.14 or\n> earlier?\n\nGood point, yes. The hardlockup watchdog now does SMP cross-checking,\nso it can blow up when you stay in xmon for about 10 seconds since the\nnew watchdog was merged. We want patches 3-4 for that.\n\nPatch 1 is not really required, I only ran into it when I tried making\nsmp_send_stop use the NMI IPI, which we are not doing just yet. That\nbeing said, the watchdog code is new, so probably doesn't hurt to put\nin 4.14.\n\nPatch 3 makes all-cpus backtraces a bit more concise. Less critical.\n\nThe system reset stuff I guess we'll want to backport for distros, so\n4.14 might be reasonable not sure.\n\nActually patch 5 before you merge it I should remove the DD1\nworkaround too because we're not supporting that in OPAL anymore.\n\nThanks,\nNick","headers":{"Return-Path":"","X-Original-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xybj80b91z9t3m\n\tfor ;\n\tThu, 21 Sep 2017 22:37:16 +1000 (AEST)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xybj76SxxzDrFJ\n\tfor ;\n\tThu, 21 Sep 2017 22:37:15 +1000 (AEST)","from mail-pg0-x22f.google.com (mail-pg0-x22f.google.com\n\t[IPv6:2607:f8b0:400e:c05::22f])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xybgP0DmkzDqT0\n\tfor ;\n\tThu, 21 Sep 2017 22:35:44 +1000 (AEST)","by mail-pg0-x22f.google.com with SMTP id p5so3433446pgn.7\n\tfor ;\n\tThu, 21 Sep 2017 05:35:44 -0700 (PDT)","from roar.ozlabs.ibm.com ([203.185.205.81])\n\tby smtp.gmail.com with ESMTPSA id\n\tp85sm2703495pfj.47.2017.09.21.05.35.38\n\t(version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256);\n\tThu, 21 Sep 2017 05:35:41 -0700 (PDT)"],"Authentication-Results":["ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"QBSvI4LY\"; dkim-atps=neutral","lists.ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"QBSvI4LY\"; dkim-atps=neutral","ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gmail.com\n\t(client-ip=2607:f8b0:400e:c05::22f; helo=mail-pg0-x22f.google.com;\n\tenvelope-from=npiggin@gmail.com; receiver=)","lists.ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"QBSvI4LY\"; dkim-atps=neutral"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025;\n\th=date:from:to:cc:subject:message-id:in-reply-to:references\n\t:organization:mime-version:content-transfer-encoding;\n\tbh=ZQ2tbKWdJ0zQSfzp7HBKuGHINU3mikeN7P7jrLWpCVs=;\n\tb=QBSvI4LYwU99mtlWspaGopOaTthXZ0N76HpenS8FAh17BymzShYfteiNNWpjWYuhHW\n\thjat7oemE4HlLxo0e591rdkix3IalzmfuIDdOAa+jqFbeoIkCk97MmtjgXRtkU903mNu\n\twgNsqAKlBmziPFhFqhkgA8bQVzLm/7XtYqFkzoxS0ZlVZSYuQ7ATeG1Mk9n14Uvj5W82\n\tGc0XToI0ctskklkQ17P1sVndT/ve3uh5StBrqz3/GrUN05xhesNDq6qyuCJ2upvhWQkK\n\tB/V12dHQBAddGdKVsGSMl0EOtzIyaiLUMGB22EkVeDZzBupAtfHIDdqnQ+xj3lV1Kawk\n\t9+PQ==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to\n\t:references:organization:mime-version:content-transfer-encoding;\n\tbh=ZQ2tbKWdJ0zQSfzp7HBKuGHINU3mikeN7P7jrLWpCVs=;\n\tb=qxVEsdpnD4KOfY0WoZcYU0J3tYUoCdYzJoKhrg5y36X+UPFg/4FNQW1muAIyyNJvOb\n\tpio5/SXyMoHPAIQYaYYAp1fRFcSf7KZB3eT0RHwW7GcF72QttdnXbCmNawCyG6NI9WpG\n\tEtOOC0TM+EmLQC5Fcx/Bez+tLFB3RX7GFO7ZV4kA9T1hRuir9kmrqwZXjVE/Gt2kTfiO\n\tfjuFbPokETsJoY3QCfCWNCBvth8xxpgltxN8ZWbvCs0DOKD5u47xxtIrDfAqHwinzSz3\n\tsQq1DkCr6KbZMSFZyzoa2g2PtXvkM3ir+mP8xE1QyglOTNTXgUyTzFxevL2q5puqH4AM\n\tsCKQ==","X-Gm-Message-State":"AHPjjUjbhQbubHeifOndolaQR5hRjjv3JMTUe7lbriogr4K+rFW4mlIo\n\ttIsW48TVamWPBI9rK+HFJ8Cbow==","X-Google-Smtp-Source":"AOwi7QBeC5kidjLSwgxUAH/Blll+AQuKXzp+zEQ4uJS5mvkmCG3QB+ozk4PuDRjLXZXNykDq76WBmg==","X-Received":"by 10.99.36.7 with SMTP id k7mr5570413pgk.91.1505997342498;\n\tThu, 21 Sep 2017 05:35:42 -0700 (PDT)","Date":"Thu, 21 Sep 2017 22:33:30 +1000","From":"Nicholas Piggin ","To":"Michael Ellerman ","Subject":"Re: [PATCH 0/5] More NMI IPI enablement work","Message-ID":"<20170921223330.63f36695@roar.ozlabs.ibm.com>","In-Reply-To":"<87vakcb93h.fsf@concordia.ellerman.id.au>","References":"<20170918082706.6485-1-npiggin@gmail.com>\n\t<87vakcb93h.fsf@concordia.ellerman.id.au>","Organization":"IBM","X-Mailer":"Claws Mail 3.15.0-dirty (GTK+ 2.24.31; x86_64-pc-linux-gnu)","MIME-Version":"1.0","Content-Type":"text/plain; charset=US-ASCII","Content-Transfer-Encoding":"7bit","X-BeenThere":"linuxppc-dev@lists.ozlabs.org","X-Mailman-Version":"2.1.24","Precedence":"list","List-Id":"Linux on PowerPC Developers Mail List\n\t","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"linuxppc-dev@lists.ozlabs.org","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"}}]