From patchwork Thu Nov 28 20:10:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eliav Farber X-Patchwork-Id: 13888316 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 49BD1D70DEB for ; Thu, 28 Nov 2024 20:12:49 +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=pPNXA5b8dn86eSooHyYm6Nv1GO8Hk6OQoxcDKh/QMFE=; b=wV3cKG9DlXu4bN cGlANQTv3LY5i/0X2ectRyS0NGHpv7Fz9kf/SnvymlBipUiiiHfH2py0oWqNZCR0/IjkQ7FNwTZsK 7gXilE5RE0gANbaInTPd4UrWkzS/kTwuAPcvGdX1bP/TkYk2magOVQPTA18hYG0Fjqb/eyCT1BxbJ LijqbmAbH+0TvtKZMwlNTM6zquhsKGjIqCcafSRQXJcY/l2hzzmVmzzfhjmglgWJpwUJxeWhY2FUF 9iGLKZ88d8NxC2/qwaUvW3ogzlTJxiSBnQhVEMaZmuqvMyQKz4wXLV0b/2xQ+ptilcO0+xrn8/a2Q 76LV5Zs58jUp34/uvRgA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tGksW-0000000GKwU-2qeC; Thu, 28 Nov 2024 20:12:44 +0000 Received: from smtp-fw-9102.amazon.com ([207.171.184.29]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tGkqW-0000000GKTs-1r9e; Thu, 28 Nov 2024 20:10:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1732824640; x=1764360640; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Oqbo5Ux4OrhsJI4uowmEwMruoxJmsMCjMmy8LyWeTpM=; b=Bt0/BXLjM9Z455hp0+L1VSjS1OQ/Jlae9+qaZHINid8VIplK0+IRahpN uX7T8JQB8ySN1pLJurzTLA9xLdmCTdkDLuyRjIfDfi+coGEHWgsqRzM+z F4EaQ7At0drJ2CPrdsvl4ZyyxSGFTQ+3Z3pcTqYFlA4oHioulfYm7dbxj g=; X-IronPort-AV: E=Sophos;i="6.12,193,1728950400"; d="scan'208";a="474023892" Received: from pdx4-co-svc-p1-lb2-vlan3.amazon.com (HELO smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.25.36.214]) by smtp-border-fw-9102.sea19.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Nov 2024 20:10:32 +0000 Received: from EX19MTAUWB001.ant.amazon.com [10.0.21.151:3078] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.32.230:2525] with esmtp (Farcaster) id e228fb57-fca2-4faa-a153-d79a23d0243c; Thu, 28 Nov 2024 20:10:31 +0000 (UTC) X-Farcaster-Flow-ID: e228fb57-fca2-4faa-a153-d79a23d0243c Received: from EX19D013UWB004.ant.amazon.com (10.13.138.62) by EX19MTAUWB001.ant.amazon.com (10.250.64.248) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.34; Thu, 28 Nov 2024 20:10:28 +0000 Received: from EX19MTAUWA001.ant.amazon.com (10.250.64.204) by EX19D013UWB004.ant.amazon.com (10.13.138.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.34; Thu, 28 Nov 2024 20:10:28 +0000 Received: from email-imr-corp-prod-iad-all-1b-3ae3de11.us-east-1.amazon.com (10.25.36.214) by mail-relay.amazon.com (10.250.64.204) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.34 via Frontend Transport; Thu, 28 Nov 2024 20:10:28 +0000 Received: from dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com (dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com [172.19.116.181]) by email-imr-corp-prod-iad-all-1b-3ae3de11.us-east-1.amazon.com (Postfix) with ESMTP id 82252A0279; Thu, 28 Nov 2024 20:10:27 +0000 (UTC) Received: by dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com (Postfix, from userid 14301484) id 3FB005ED0; Thu, 28 Nov 2024 20:10:27 +0000 (UTC) From: Eliav Farber To: , , , , , , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH v3 0/2] Improve interrupt handling during machine kexec Date: Thu, 28 Nov 2024 20:10:25 +0000 Message-ID: <20241128201027.10396-1-farbere@amazon.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241128_121040_521423_77312EAE X-CRM114-Status: UNSURE ( 6.67 ) 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: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org This patch series focuses on improving the machine_kexec_mask_interrupts() function by consolidating its implementation and optimizing its behavior to avoid redundant interrupt masking. Patch Summary: [PATCH v3 1/2] Move machine_kexec_mask_interrupts() to kexec_core.c, removing duplicate architecture-specific implementations. [PATCH v3 2/2] Refine machine_kexec_mask_interrupts() to avoid re-masking already-masked interrupts, resolving specific warnings triggered in GPIO IRQ flows. Eliav Farber (2): kexec: Consolidate machine_kexec_mask_interrupts() implementation kexec: Prevent redundant IRQ masking by checking state before shutdown arch/arm/kernel/machine_kexec.c | 23 ----------------------- arch/arm64/kernel/machine_kexec.c | 31 ------------------------------- arch/powerpc/include/asm/kexec.h | 1 - arch/powerpc/kexec/core.c | 22 ---------------------- arch/riscv/kernel/machine_kexec.c | 23 ----------------------- include/linux/irq.h | 3 +++ include/linux/kexec.h | 2 ++ kernel/irq/internals.h | 1 - kernel/kexec_core.c | 28 ++++++++++++++++++++++++++++ 9 files changed, 33 insertions(+), 101 deletions(-)