From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A8FECC5478C for ; Fri, 23 Feb 2024 10:28:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=rlNIMagPX44iWfZDmhf/pFLHwdhqweCQ+c5HVNJZ5OM=; b=pEhtBkXi0ddOE2 pkFK2vN4CnesG+kB9GUOF9+twNwXIF9tZAn9uuCgJ1WnoKOFH457QSW7kwFgW6/0w+P8heyNmgm6h m35Z0Qqy10SThsREYi+gqkoWtk4N0+Fn9B+cn/o87KbHtgnowYPABbV7RpzOX7GnXR+XzyaOalpVP MgZyYCkqX9ITFlfKT7kf3GtJiv+/lmx+/rjDduYeoBR1XAyZTA6tRed4HVJA3PSia6F5P7/Er5+BV OFkIQoHcGWEkHczoIBSOt/Ql6i2CWNDG54wwOrmHlZMDThjTRPcEZ7q31lIZQp0jSGTfTSqWnLyf5 Td4bvlmr6zWwp3IreH5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rdSmg-00000008ugx-0w4a; Fri, 23 Feb 2024 10:28:10 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rdSlS-00000008uDz-1egP for kexec@lists.infradead.org; Fri, 23 Feb 2024 10:27:33 +0000 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1708684001; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Gj+c+z0QQUx5LZDDvpBGXmu7oB3+rGMorguEN/YL7Wk=; b=IKYZ2AI4bvKLy/sS5aIpSZ8CRBJ/Jfmo6Ol8+942g7pqPZIBzVOhKmgHw+CGuqf2E7Lzo4 zgmkkqe8bnmI+s04OV5U6Wz3UvVq2BJ7v2bWlMtRxMLEBSGwXauh6C4Y/oSHe7HZ6cdZim Hixfjs+7Zl4tGPcODF7UMnRjbkJ1RqnICoMniYA2d4iVLAxuBdAHbNn1y6MH5WZae69ql8 L2Ww4a3DeOOgdtHBc+Re0+dPOhNljA1FZlMelOYZdczVa+B700oxbXCnUPaUTnXM51Yab6 PfN0wIKGvC6nPfAWgAl0Xe52jeukQrdntphGe2YL6xjt0DuGOae5Ycp41mV66Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1708684001; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Gj+c+z0QQUx5LZDDvpBGXmu7oB3+rGMorguEN/YL7Wk=; b=rUaZd31hVYdpyiWcibb+qKArRGWOQggoYnF9LYPkfghbBc+YFSS1n0Qc3uviJD1OloQhjj 28b9Uksre55OI+CQ== To: "Kirill A. Shutemov" , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org Cc: "Rafael J. Wysocki" , Peter Zijlstra , Adrian Hunter , Kuppuswamy Sathyanarayanan , Elena Reshetova , Jun Nakajima , Rick Edgecombe , Tom Lendacky , "Kalra, Ashish" , Sean Christopherson , "Huang, Kai" , Baoquan He , kexec@lists.infradead.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" Subject: Re: [PATCHv7 14/16] x86/smp: Add smp_ops.stop_this_cpu() callback In-Reply-To: <20240212104448.2589568-15-kirill.shutemov@linux.intel.com> References: <20240212104448.2589568-1-kirill.shutemov@linux.intel.com> <20240212104448.2589568-15-kirill.shutemov@linux.intel.com> Date: Fri, 23 Feb 2024 11:26:40 +0100 Message-ID: <87sf1jcw7z.ffs@tglx> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240223_022647_198106_E9A2497E X-CRM114-Status: UNSURE ( 7.08 ) X-CRM114-Notice: Please train this message. X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Mon, Feb 12 2024 at 12:44, Kirill A. Shutemov wrote: > If the helper is defined, it is called instead of halt() to stop the CPU > at the end of stop_this_cpu() and on crash CPU shutdown. > > ACPI MADT will use it to hand over the CPU to BIOS in order to be able > to wake it up again after kexec. > > Signed-off-by: Kirill A. Shutemov > Acked-by: Kai Huang Reviewed-by: Thomas Gleixner _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec