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[23.128.96.18]) by mx.google.com with ESMTP id d3si11243479edv.196.2020.09.22.10.08.20; Tue, 22 Sep 2020 10:08:44 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=canonical.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726640AbgIVRFJ (ORCPT + 99 others); Tue, 22 Sep 2020 13:05:09 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:49572 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726583AbgIVRFJ (ORCPT ); Tue, 22 Sep 2020 13:05:09 -0400 Received: from mail-ej1-f70.google.com ([209.85.218.70]) by youngberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1kKlj1-0001L3-6l for linux-kernel@vger.kernel.org; Tue, 22 Sep 2020 17:05:07 +0000 Received: by mail-ej1-f70.google.com with SMTP id w17so6486841eja.10 for ; Tue, 22 Sep 2020 10:05:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=oksNI5rJodtO2H9Q99QSOgu/CDadI0WohvaQe2JU2Oc=; b=hVEailp1d1YQEE0YMq8pJphPguDBh+RPgh7fo+SlZrpCCeJtuGXjR4mcHbxDfoGRjw /qW0MCYbKhI5n6hpTy7QLWdiGbEjrHbCMvO9DGBjjPOS8BgvZkwj+aEf079nUvhMo/CF uFQSUMdpajdBZVSFYwVuB3F//oFR60/a6cEz/MzItt5K0jZjSXBdjiaSKHNyQBZouonK zTTuvF21RCbrTMVaLN894ZWifm+AgQuSC8WBD0JowJkDU5wCRt983BJibgcyQwh24RAD QjHmoif5786ewxqUVEwK+oswnHtswcKHz6EnZExHZ7Ep1ExQVQFLSkNPdjx1iaTy4wq4 nAMQ== X-Gm-Message-State: AOAM5307/MiPODmfNKa2AbMCHaqhVrmYKK3PUMpJIoNMPivvRFmaVuMh 7i/1BsJdNthvE4NDZNkg2WrZk6oYEgznkVBt/qpm+c3cqLWcFjfoDnbawdi+zJFR9fGVR7X2SKU 4ZiEzHPtfX4dAJB28j15sK0M1IBJYE2xt4WH5i+Sy4+Ff6HU0DR6HabGyJg== X-Received: by 2002:a05:6402:6c9:: with SMTP id n9mr4929978edy.297.1600794306814; Tue, 22 Sep 2020 10:05:06 -0700 (PDT) X-Received: by 2002:a05:6402:6c9:: with SMTP id n9mr4929958edy.297.1600794306614; Tue, 22 Sep 2020 10:05:06 -0700 (PDT) MIME-Version: 1.0 References: <20200918032546.GA4180@dhcp-128-65.nay.redhat.com> <20200918174743.0994c59f058451948837dcb6@linux-foundation.org> <20200921201811.GB3437@char.us.oracle.com> <20200922125809.66690d54@ibm> <7ee09899-6724-e932-f73d-d49da0fb4a9d@oracle.com> In-Reply-To: <7ee09899-6724-e932-f73d-d49da0fb4a9d@oracle.com> From: "Guilherme G. Piccoli" Date: Tue, 22 Sep 2020 14:04:30 -0300 Message-ID: Subject: Re: [PATCH] Only allow to set crash_kexec_post_notifiers on boot time To: boris.ostrovsky@oracle.com Cc: Philipp Rudo , Konrad Rzeszutek Wilk , Baoquan He , kexec mailing list , LKML , Eric Biederman , Andrew Morton , Eric DeVolder , Dave Young Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 22, 2020 at 11:53 AM wrote: > > > On 9/22/20 6:58 AM, Philipp Rudo wrote: > > > > AFAIK pstore requires UEFI to work. So what's the point to enable it on non-UEFI > > systems? > > > I don't think UEFI is required, ERST can specify its own backend. And that, in fact, can be quite useful in virtualization scenarios (especially in cases of direct boot, when there is no OVMF) > > > -boris There is ramoops backend too - I was able to collect a dmesg in a cloud provider using that!