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 0430BC19F2A for ; Mon, 8 Aug 2022 01:53:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243368AbiHHBx1 (ORCPT ); Sun, 7 Aug 2022 21:53:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243430AbiHHBu5 (ORCPT ); Sun, 7 Aug 2022 21:50:57 -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 CE4A2DFD4; Sun, 7 Aug 2022 18:37:58 -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 281B1B80E19; Mon, 8 Aug 2022 01:37:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25E11C433B5; Mon, 8 Aug 2022 01:37:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659922675; bh=e48tc2OR3RCBc0ZTNyT/lHkQqToIZBrW1d32zs+2JUE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oiS0yUTnRUtXO3ebZ1dNLO8sUchcS8kGNdyFsliwwQDBic/VgI2IyTJV6BUdKrfCo PQ9Xocp04hl93scw2n8E7B8aDlgrE+iu+bonwRzCjRwMXo/VY3ZMEuXTaOx4lX2es0 kAy+3vSUqfHr/0qtC14gQCFG5SFQPaXv8QATrnjtTELX8I44/EZ7wD0oMYoDbETnVQ /77eT06lcNTukyBdhG9avFGYch8L5T6YGpKH8nrQvDdv/th8v3l0kF72+IJhAob1BG 1PJWnDZ927XWitzaULCs3tPA8NSadOi7PPF92cCov+jmEPecwx5oylfCM3+WFTlQOk zM7s67KucjzwA== 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 5.10 07/29] genirq: GENERIC_IRQ_IPI depends on SMP Date: Sun, 7 Aug 2022 21:37:17 -0400 Message-Id: <20220808013741.316026-7-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220808013741.316026-1-sashal@kernel.org> References: <20220808013741.316026-1-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 c4b971cd239d..3c24bf45263c 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -178,7 +178,7 @@ 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 164a031cfdb6..0f2a44fc0971 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