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 CFEFEC30653 for ; Thu, 4 Jul 2024 13:11:18 +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:Cc:To:In-Reply-To:References:Date: Message-Id:From:Subject:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=BdKrh53vsQk6FRTYTLTKs5YiGtUWnwfXf9ZHYmYjtI8=; b=maOj9zIW5O6aoO 62W/BOscvj0Jx5EHagnQJ3A4CoR9SihXDt7YuWW9i4VL8jwtzxPig5sUa2PxAxaIeJlRO85bZv/j8 7p+FlSIZ8h3Reg8LOR6ik/YAJ7+xDnH9iIMWJsqpE0TenMwTzcB5NaUI9n20CR/EAWSLVvJx8fZuk C3W3gH6+2k6ZVUnrOZs9639kS7NhXLA+eRN0NiUSwtnpuQOX3GApDMEEyn1+1d6MzdDbPh5mBqubE TbE2fx8pyz46G0NvHnKGAFXMBuauPRjLIAahh9+/7vNqFnOK5w1vjg3HO7jbUD7w1HX4hqKzt3cOR Lxu07O38rkpH86dB5Iqw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sPMF2-0000000DEgT-1XmF; Thu, 04 Jul 2024 13:11:16 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sPMEl-0000000DEXB-1uS1 for linux-riscv@lists.infradead.org; Thu, 04 Jul 2024 13:11:01 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id BEB22CE34C0; Thu, 4 Jul 2024 13:10:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id CB4A9C4AF0C; Thu, 4 Jul 2024 13:10:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720098656; bh=d1R6VyIbkJ6U7w801EO8l21bk3qkW3imoEOlfi6mJ0o=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=fo2jZkvcZSDt1fGr5ZrtsubKDg0lm7xDjMC9jQnY4iYDYlIxVv8JLu59v3NRhkhb3 +31IvMoMqRPLlLD5TnKhcbpCo+WEl+FmkFY3ULZtIzz0lmwEu8T+L/OkXcGagr4DYd CsoqzJteqGJOKYigMc5UDq+YNWx+UgHY9sVD08nqjFvsweG2GUZ4gRb5AGXYlvkorr g254OZ7RieYGkdAlQPCGpbG61KIRqBnBqZuq/bicQ9M4WMOnl//qrOUT1t9sCRdq08 KHsOzteSG9RJ7k1Uhhha9F5VoIwT2QOUpQQ+mj2gwc9CdFhS3nzsXh5VWho1I3KNVl y1rXL7FyCDNZA== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id B9FA3C43331; Thu, 4 Jul 2024 13:10:56 +0000 (UTC) MIME-Version: 1.0 Subject: Re: [PATCH V2 -fixes] riscv: kexec: Avoid deadlock in kexec crash path From: patchwork-bot+linux-riscv@kernel.org Message-Id: <172009865675.17306.18375440466203340384.git-patchwork-notify@kernel.org> Date: Thu, 04 Jul 2024 13:10:56 +0000 References: <20240626023316.539971-1-songshuaishuai@tinylab.org> In-Reply-To: <20240626023316.539971-1-songshuaishuai@tinylab.org> To: Song Shuai Cc: linux-riscv@lists.infradead.org, takakura@valinux.co.jp, alex@ghiti.fr, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, bhe@redhat.com, akpm@linux-foundation.org, guoren@kernel.org, xianting.tian@linux.alibaba.com, linux-kernel@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240704_061059_789219_142BC638 X-CRM114-Status: UNSURE ( 9.19 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@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: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Hello: This patch was applied to riscv/linux.git (fixes) by Palmer Dabbelt : On Wed, 26 Jun 2024 10:33:16 +0800 you wrote: > If the kexec crash code is called in the interrupt context, the > machine_kexec_mask_interrupts() function will trigger a deadlock while > trying to acquire the irqdesc spinlock and then deactivate irqchip in > irq_set_irqchip_state() function. > > Unlike arm64, riscv only requires irq_eoi handler to complete EOI and > keeping irq_set_irqchip_state() will only leave this possible deadlock > without any use. So we simply remove it. > > [...] Here is the summary with links: - [V2,-fixes] riscv: kexec: Avoid deadlock in kexec crash path https://git.kernel.org/riscv/c/c562ba719df5 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv