From patchwork Wed Sep 21 03:31:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guo Ren X-Patchwork-Id: 12983177 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 2ED98C6FA82 for ; Wed, 21 Sep 2022 03:32:52 +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:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=QyRK8x16Ub9DpRkuAuzKMKoFYHyPtAbRNqf3+9HKlb4=; b=MRb+xptA7JZ0R4 fSPkf7GUnxYXLDPbFwwyohxOH+f2yW8qlpHA784qlxTZZpP/QcbxaAmXm1FevXcKIpAtSezugU8Mv VK7jU4oYNXpf+4tFu/q9ycpzOmDGYNrHJiMHtTPnzLTuyBLb5SQK6kq+9DuDq0S/7kvRmIW1QbmDL 6F0UOJGhbsEMK+MqIXjczfPBU+hLX5fmKP6Lt9DWD6IC7YjafIxKY7D9zhyPBJ9GTuET/5yUYjbmI i2zjcssXSa4l8/H2gtUaAoVnzHJnhKxUK0pPza4zvtqcdCGhNusBWzUG1CmyWOINjlwLPDAhlwSA1 TcpP06inUltJiz8jVnFQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oaqSs-008YzJ-Oy; Wed, 21 Sep 2022 03:31:58 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oaqSp-008Yx8-9R; Wed, 21 Sep 2022 03:31:57 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9B1A562F21; Wed, 21 Sep 2022 03:31:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DFBF0C433C1; Wed, 21 Sep 2022 03:31:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1663731113; bh=L86JnuAVDjwV91egGrglApUiZIzU+Mu/qe9sCYqDgWM=; h=From:To:Cc:Subject:Date:From; b=e9O4oZsEDvFJZ7tY+/tb3bYBz7fd04JUedr8USCPhjsB0NBVfG1ApVlve/CntD5i9 VZSnYPnkRaUKTYNpwEuywjnLtOV2A0dNc6Blto0Ctmg/vI7Ps0QRT2Tf97bJvtimtW Xqsfol0cY4sQmKgfg4eiDyx+MXz1kgpCe/2cPWKu1A5229It89GrCmH93svxyDNLKq 13Sk5DhTVzGTlqzL19tTEwKWDtfy6iO/yvE+uunLajQfaNHKYTO8VbKaVYVKWD9Bpj AVYrcu65tCejmheajxcXRVz35zYP9RaG/SBJ5PW3A7+quaPkPJngBfGwKvfYsM8Pcu amwxs3N7G2Jtg== From: guoren@kernel.org To: xianting.tian@linux.alibaba.com, palmer@dabbelt.com, palmer@rivosinc.com, heiko@sntech.de, liaochang1@huawei.com, jszhang@kernel.org, arnd@arndb.de Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, Guo Ren Subject: [PATCH V4 0/3] riscv: kexec: Fxiup crash_save percpu and machine_kexec_mask_interrupts Date: Tue, 20 Sep 2022 23:31:31 -0400 Message-Id: <20220921033134.3133319-1-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220920_203155_370475_B289AB79 X-CRM114-Status: UNSURE ( 8.95 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Guo Ren Current riscv kexec can't crash_save percpu states and disable interrupts properly. The patch series fix them, make kexec work correct. Also cleanup arm64, x86 declarations in asm/smp.h. Changlogs: v4: - Add cpu_ops[cpu]->cpu_stop() in ipi_cpu_crash_stop - Wording optimization in comments V3: https://lore.kernel.org/linux-riscv/20220819025444.2121315-1-guoren@kernel.org/ - Fixup compile problem with !SMP, which reported by lkp@intel.com - Cleanup declarations in asm/smp.h - Add reviewed-by V2: https://lore.kernel.org/linux-riscv/20220817161258.748836-1-guoren@kernel.org/ - Add Fixes tags - Remove extern from bool smp_crash_stop_failed(void) V1: https://lore.kernel.org/linux-riscv/20220816012701.561435-1-guoren@kernel.org/ Guo Ren (3): riscv: kexec: Fixup irq controller broken in kexec crash path riscv: kexec: Fixup crash_smp_send_stop without multi cores arch: crash: Remove duplicate declaration in smp.h arch/arm64/include/asm/smp.h | 1 - arch/riscv/include/asm/smp.h | 3 + arch/riscv/kernel/machine_kexec.c | 46 +++++++++++---- arch/riscv/kernel/smp.c | 97 ++++++++++++++++++++++++++++++- arch/x86/include/asm/crash.h | 1 - 5 files changed, 133 insertions(+), 15 deletions(-)