From nobody Sun Dec 14 06:20:45 2025 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 5A18FC00140 for ; Mon, 15 Aug 2022 18:28:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242110AbiHOS2Q (ORCPT ); Mon, 15 Aug 2022 14:28:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243063AbiHOS0l (ORCPT ); Mon, 15 Aug 2022 14:26:41 -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 121433122A; Mon, 15 Aug 2022 11:19:39 -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 D76CCB81071; Mon, 15 Aug 2022 18:19:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A2CAC433C1; Mon, 15 Aug 2022 18:19:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660587576; bh=D8GDK5X2petZO9FBuzzcie9LQ7EsKqqF49b3DRKH8HM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TJeWaYLAIAQ6SX5SgUbbZ7/HSTsPiYPziY/vXr9/oWOIzkC4whnRj2zlK48od8GRd vIaIVwIS21CboXMXcQntRyQNJubLKLyr3ajQ0XJdOLcJut0CwHelmBYrLTZdM6BNtn KxlyK/03A61pOtHceaZrFIJO0a8lpFO7j9hv5wcw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, kernel test robot , Samuel Holland , Marc Zyngier , Sasha Levin Subject: [PATCH 5.15 120/779] genirq: GENERIC_IRQ_IPI depends on SMP Date: Mon, 15 Aug 2022 19:56:04 +0200 Message-Id: <20220815180342.442547927@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180337.130757997@linuxfoundation.org> References: <20220815180337.130757997@linuxfoundation.org> User-Agent: quilt/0.67 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: 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 =20 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 =20 # Generic MSI interrupt support --=20 2.35.1