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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4E6FC19F2A for ; Mon, 8 Aug 2022 01:47:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243098AbiHHBrs (ORCPT ); Sun, 7 Aug 2022 21:47:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243275AbiHHBqg (ORCPT ); Sun, 7 Aug 2022 21:46:36 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A71FBF4E; Sun, 7 Aug 2022 18:36:44 -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 3F27CB80E15; Mon, 8 Aug 2022 01:36:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2272BC433D7; Mon, 8 Aug 2022 01:36:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659922601; bh=D8GDK5X2petZO9FBuzzcie9LQ7EsKqqF49b3DRKH8HM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uzfWeMErhjF1GlAz2xm1M3Z5A/OpYkEuiUdFok2tvt/DrBc63vlNrj4PPJad4aTCc rbE5LWb4P64EXvmGqh5H1s7aUAQZh0vP6UwNmeLGPOjkpB2jUbDvRpO/hgnLc/qGgW UIzlDcYsCuSqwQt8d6erVlMVGXaR9nkteVB9LdYfJ68tQrcEocuAX5SXhDa1NTo4hJ 8jt7CnioPMXRT+QOchlIY+O2jUm1wRHc6uWzWIlu4Dgt0wDjYVoYVd1jKDMH6+vL6c 415FQuig/unuQeu/aDCv8UoGfoJNXMGbUPxWvIyObRU0iDm4s9AVSk0qW2TJUNuiTg K7JP+FiCLK7MA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Samuel Holland , kernel test robot , Marc Zyngier , Sasha Levin , tglx@linutronix.de Subject: [PATCH AUTOSEL 5.15 14/45] genirq: GENERIC_IRQ_IPI depends on SMP Date: Sun, 7 Aug 2022 21:35:18 -0400 Message-Id: <20220808013551.315446-14-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220808013551.315446-1-sashal@kernel.org> References: <20220808013551.315446-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Samuel Holland [ Upstream commit 0f5209fee90b4544c58b4278d944425292789967 ] The generic IPI code depends on the IRQ affinity mask being allocated and initialized. This will not be the case if SMP is disabled. Fix up the remaining driver that selected GENERIC_IRQ_IPI in a non-SMP config. Reported-by: kernel test robot Signed-off-by: Samuel Holland Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20220701200056.46555-3-samuel@sholland.org Signed-off-by: Sasha Levin --- drivers/irqchip/Kconfig | 2 +- kernel/irq/Kconfig | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 8f9c52873338..ae1b9f59abc5 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -171,7 +171,7 @@ config MADERA_IRQ config IRQ_MIPS_CPU bool select GENERIC_IRQ_CHIP - select GENERIC_IRQ_IPI if SYS_SUPPORTS_MULTITHREADING + select GENERIC_IRQ_IPI if SMP && SYS_SUPPORTS_MULTITHREADING select IRQ_DOMAIN select GENERIC_IRQ_EFFECTIVE_AFF_MASK diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index fbc54c2a7f23..00d58588ea95 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -82,6 +82,7 @@ config IRQ_FASTEOI_HIERARCHY_HANDLERS # Generic IRQ IPI support config GENERIC_IRQ_IPI bool + depends on SMP select IRQ_DOMAIN_HIERARCHY # Generic MSI interrupt support -- 2.35.1