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 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 98385C83030 for ; Thu, 3 Jul 2025 21:00:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Date:References:In-Reply-To:Subject:Cc:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=aNRH1g12Ne3BwA8FmDNO10ARExu6uL6cJ1LMrZ27OI4=; b=1ZmYhk3mcTzvkVLDm3J1I/pc+X j3Sko4DnqbPzTnR8nJDULKjARcYyuzm8uAbMEp2OO8hYnL6epGO2JRdnNnjrmRn/suhjVBWpq0MYg 2mSHCnvkfr+PfDfa+9vkurcs1/fZTq5KMnM8GzxrDDMre/7DsmvTLFLWH+P3agzm4lfDQVZiZktc8 36dVRaEO6Y5qU2pTs7WbMCusS5ULRuchib/9eWMDuB+JNgBlSGOKoXmykX9n8b+5zkGiUE/mEdTCs /VgXyMyK8cFMwtDDCHTnwXFHtdevUebpnoow8yo8zm5BeSDyKVSUGU7caZ0mfnWTZJxrSPRMPpRTt hXAeEvJA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uXR2F-0000000CXN1-0i9i; Thu, 03 Jul 2025 20:59:59 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uXMo9-0000000BzrT-04Ba for linux-arm-kernel@lists.infradead.org; Thu, 03 Jul 2025 16:29:11 +0000 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1751560147; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=aNRH1g12Ne3BwA8FmDNO10ARExu6uL6cJ1LMrZ27OI4=; b=PBBXZF4kI/WbElBKU/Utuj8jjVt/2dVrbejvGTcXKIQRU2uYoTKAqpHmGsySadjRy0LdQM ZZdkKSeeI9H/B4hejFC0zufMbUcLT6n6EzmboNb5TgH9LtltqIvv77ExiIQjU4+YTNRlPB LDs7slQQ0aoI7BHwHRw89RbfHV4RI4PqFuSJLMGQA8PKk1aej5pZ/qIFh2a3BzGOklukU9 TDsBx3nmgSUaK6+/vtL2crKw+rhIgR+lZ6bwu3ns+AJkZosFZR7wACzljwIgp2xwLFz+ET BwKxONiv/rg1ioO8PGKJ6NSRgSjbXvV2PT1jH93SiBabI1RRJ1iPXq9Oj328VA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1751560147; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=aNRH1g12Ne3BwA8FmDNO10ARExu6uL6cJ1LMrZ27OI4=; b=/Uirmdc/9olnKo8974l+b36bgV4+yNj/U1X0RSMH6B5yU9vJJBmZpDUYSoy2WLPu8k3+9e sRyPNBcdYArNPACg== To: Marc Zyngier , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Toan Le , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas Subject: Re: [PATCH 01/12] genirq: Teach handle_simple_irq() to resend an in-progress interrupt In-Reply-To: <20250628173005.445013-2-maz@kernel.org> References: <20250628173005.445013-1-maz@kernel.org> <20250628173005.445013-2-maz@kernel.org> Date: Thu, 03 Jul 2025 18:29:06 +0200 Message-ID: <87y0t5tezx.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250703_092909_205064_388822C9 X-CRM114-Status: UNSURE ( 9.83 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Jun 28 2025 at 18:29, Marc Zyngier wrote: > It appears that the defect outlined in 9c15eeb5362c4 ("genirq: Allow > fasteoi handler to resend interrupts on concurrent handling") also > affects some other less stellar MSI controllers, this time using > the handle_simple_irq() flow. > > Teach this flow about irqd_needs_resend_when_in_progress(). Given > the invasive nature of this workaround, only this flow is updated. > > Signed-off-by: Marc Zyngier As I have no conflicting changes pending in this area, this can go through the PCI tree along with the rest of this lot. Therefore: Reviewed-by: Thomas Gleixner Thanks, tglx