From nobody Sat Apr 11 09:20:37 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E71F4C19F2D for ; Sat, 13 Aug 2022 08:58:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238039AbiHMI65 (ORCPT ); Sat, 13 Aug 2022 04:58:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229507AbiHMI64 (ORCPT ); Sat, 13 Aug 2022 04:58:56 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 67D4DE0B8; Sat, 13 Aug 2022 01:58:51 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id 22A66B81037; Sat, 13 Aug 2022 08:58:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1197EC433C1; Sat, 13 Aug 2022 08:58:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660381128; bh=7UQQ3CRY5Ej+wdDOB0JwjVu6I3EZNoWfRdUeeh+Jvos=; h=From:To:Cc:Subject:Date:From; b=X+OcXN67jb+I/QpuZvo990SEfLdki8jmGOTQX9BYp+SqzRr+xeKc95AldemZ/1dvr nkFks85SnN1gp+Zj3kUtmqQvHr1a7ESKP8ZZBrPuORaNfXNL3W9KjZHJjOwsQruTtP OcpqYaXZNNlJRnM9Pbq1Ed7Z7OLW7oiidVQ+nqD3peLPabHPmlUVqYnkZB6WEtW5Lh wPtSTTvVNNcbbLYf2VVVnX0M6d/5+QDZWW0v1foPO4EvXJ9H9hh7wvlejbWv/goOh6 T6dFc5gh0i8scDYo2MXJKtZL/VSKAwLFEp2enS6pWWqBDDBnD0J1ciutji5gdQ8LlE mHjxoR8UTVc2Q== From: guoren@kernel.org To: chenhuacai@kernel.org, kernel@xen0n.name, zhangqing@loongson.cn, arnd@arndb.de, linux-arch@vger.kernel.org, mark.rutland@arm.com, frederic@kernel.org Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, jiaxun.yang@flygoat.com, yangtiezhu@loongson.cn, Guo Ren , Guo Ren Subject: [PATCH] loongarch: irq: Move to generic_handle_arch_irq Date: Sat, 13 Aug 2022 04:58:39 -0400 Message-Id: <20220813085839.58414-1-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Guo Ren No reason to keep custom handle_loongarch_irq, and move to the generic one. No reason to keep custom handle_loongarch_irq, and move to the generic one. The patch also the fixup HAVE_CONTEXT_TRACKING_USER feature, because handle_loongarch_irq missed ct_irq_enter/exit. Fixes: 0603839b18f4 ("LoongArch: Add exception/interrupt handling") Signed-off-by: Guo Ren Signed-off-by: Guo Ren --- arch/loongarch/kernel/traps.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/arch/loongarch/kernel/traps.c b/arch/loongarch/kernel/traps.c index aa1c95aaf595..06211640ba1f 100644 --- a/arch/loongarch/kernel/traps.c +++ b/arch/loongarch/kernel/traps.c @@ -588,17 +588,6 @@ asmlinkage void cache_parity_error(void) panic("Can't handle the cache error!"); } =20 -asmlinkage void noinstr handle_loongarch_irq(struct pt_regs *regs) -{ - struct pt_regs *old_regs; - - irq_enter_rcu(); - old_regs =3D set_irq_regs(regs); - handle_arch_irq(regs); - set_irq_regs(old_regs); - irq_exit_rcu(); -} - asmlinkage void noinstr do_vint(struct pt_regs *regs, unsigned long sp) { register int cpu; @@ -608,7 +597,7 @@ asmlinkage void noinstr do_vint(struct pt_regs *regs, u= nsigned long sp) cpu =3D smp_processor_id(); =20 if (on_irq_stack(cpu, sp)) - handle_loongarch_irq(regs); + generic_handle_arch_irq(regs); else { stack =3D per_cpu(irq_stack, cpu) + IRQ_STACK_START; =20 @@ -619,7 +608,7 @@ asmlinkage void noinstr do_vint(struct pt_regs *regs, u= nsigned long sp) "move $s0, $sp \n" /* Preserve sp */ "move $sp, %[stk] \n" /* Switch stack */ "move $a0, %[regs] \n" - "bl handle_loongarch_irq \n" + "bl generic_handle_arch_irq \n" "move $sp, $s0 \n" /* Restore sp */ : /* No outputs */ : [stk] "r" (stack), [regs] "r" (regs) --=20 2.36.1