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 X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1203FC56201 for ; Tue, 27 Oct 2020 00:06:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF96820882 for ; Tue, 27 Oct 2020 00:06:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603757203; bh=KtVkHD0lslAqFKC+YGfPpQcUyJ2B5e1cmZw5ssyWod4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Nu6ZVfkSPvbFrvcQtg/LbfARgWN64cKlSY2WNQ1CdFt7BFFD2MF6OAFRbPa127Dmt 5HEvAiuVLcvH/0+uOHt2wICqrPGSDAgQIEMB9tD25WbKskngwvQuMQSh6n/qDQWCgF vNSkY2axbdbYc2vVdIXIcblgBnmiWMhHol3D3qp4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438793AbgJ0AGm (ORCPT ); Mon, 26 Oct 2020 20:06:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:53838 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2438032AbgJ0AE7 (ORCPT ); Mon, 26 Oct 2020 20:04:59 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 409442087C; Tue, 27 Oct 2020 00:04:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603757098; bh=KtVkHD0lslAqFKC+YGfPpQcUyJ2B5e1cmZw5ssyWod4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rbI6TitA0ZmMf7OL0whYII0ky4fdk3I94GqTgJH7ChkkJqdt6NL42DZ/3jseMjnZF +Gapt/4UZ6u8iVlinVUGKEXy3Ioz0i6CdnOZTX+6QV1x8cIGZ1T/OkCSoHaxKx7YrL 457QaaqbSSalgT7bwaNHItykHTa62Gy020d9+jS8= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Zhen Lei , Marc Zyngier , Sasha Levin Subject: [PATCH AUTOSEL 4.19 36/60] genirq: Add stub for set_handle_irq() when !GENERIC_IRQ_MULTI_HANDLER Date: Mon, 26 Oct 2020 20:03:51 -0400 Message-Id: <20201027000415.1026364-36-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201027000415.1026364-1-sashal@kernel.org> References: <20201027000415.1026364-1-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: stable@vger.kernel.org From: Zhen Lei [ Upstream commit ea0c80d1764449acf2f70fdb25aec33800cd0348 ] In order to avoid compilation errors when a driver references set_handle_irq(), but that the architecture doesn't select GENERIC_IRQ_MULTI_HANDLER, add a stub function that will just WARN_ON_ONCE() if ever used. Signed-off-by: Zhen Lei [maz: commit message] Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20200924071754.4509-2-thunder.leizhen@huawei.com Signed-off-by: Sasha Levin --- include/linux/irq.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/irq.h b/include/linux/irq.h index a042faefb9b73..731b6cf0a56b4 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -1220,6 +1220,12 @@ int __init set_handle_irq(void (*handle_irq)(struct pt_regs *)); * top-level IRQ handler. */ extern void (*handle_arch_irq)(struct pt_regs *) __ro_after_init; +#else +#define set_handle_irq(handle_irq) \ + do { \ + (void)handle_irq; \ + WARN_ON(1); \ + } while (0) #endif #endif /* _LINUX_IRQ_H */ -- 2.25.1