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 131DDC021B3 for ; Thu, 20 Feb 2025 14:33:49 +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=G/BmtFl2k81SUm/1VjrdU/jVgNub5nHsJ466sJIBSwU=; b=rWK+d8R2fOCfzA5t8ahcVNPz7G hIhyQwBXY8ugIQtW0zt2OQCB4ukx/Uypn8qayTWQd2pKk1mUFWeEWHvIV8CbU1WvkjVJ0iH3779gL nTRSvwEPhh3dYpE3VJpMz85jwPXDdIz42/njIMTy78gQCjfovyJrsgkaavjndJHWV32/soy6kkPOQ s6jxOSg6wuoSoYwV5rzcrphRSnXErg1MQVYuXEzMHX5XyxSRrWUPWSbr4BQC/CTq7wBu46u369WwZ dOFXMCdqIv6WRndPc5VJEzDUzckNshBeW68kJH85UixcLQE20N4H9yaRU9zuU2Es+2tNYJ+nbyDpJ PtguxeWw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tl7cR-00000001Kr5-1edB; Thu, 20 Feb 2025 14:33:39 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tl7QW-00000001HN6-3kZ3; Thu, 20 Feb 2025 14:21:22 +0000 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1740061279; 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=G/BmtFl2k81SUm/1VjrdU/jVgNub5nHsJ466sJIBSwU=; b=3oufnGd79cXN4jTTMDZ7Z6srl8Ucj1sL35GTITM5ip/hhNfLdNEYBcfYEMW975QF6921cA cciHlQX7+abbQrJT0TieGU8ctAA7wGO0cqj2/piqAaIcbrDv5L/4HeIGVwShaFC3Bq48YH suiMDHR3vg34aEAzMe+BV0KSW9VSPNgdjwW63lvegZgL1TQ5UiPythFZ5KnPHQRHxJG2Xj giFg2lDq21Vm2EoS1vuwvtqlttU4FdQYnquG8StF/7Qc2U1dMZXYRZ0FtVE75DzBMrzz/P N3504pfJR4o/GLBBGIeWk5v9l0bJsYmm0QupTJ+nNCCVRtaoXf+P0gSK0HcClw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1740061279; 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=G/BmtFl2k81SUm/1VjrdU/jVgNub5nHsJ466sJIBSwU=; b=D9Knt0/YpIddKDTVG7BDrv4vvrba0CkVNAk6jPl1IKKFJVU+mQyOoOkRYYlV8EljvtiK2B sr28C0ab+/lVqCAQ== To: Mark Brown , Anup Patel Cc: Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, hpa@zytor.com, Marc Zyngier , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Palmer Dabbelt , Paul Walmsley , Atish Patra , Andrew Jones , Sunil V L , Anup Patel , linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev Subject: Re: [PATCH v6 02/10] irqchip/irq-msi-lib: Optionally set default irq_eoi/irq_ack In-Reply-To: <87jz9kiuvu.ffs@tglx> References: <20250217085657.789309-1-apatel@ventanamicro.com> <20250217085657.789309-3-apatel@ventanamicro.com> <87jz9kiuvu.ffs@tglx> Date: Thu, 20 Feb 2025 15:21:18 +0100 Message-ID: <878qq0itnl.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-20250220_062121_067123_E8FC00F1 X-CRM114-Status: UNSURE ( 9.18 ) 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 Thu, Feb 20 2025 at 14:54, Thomas Gleixner wrote: > On Wed, Feb 19 2025 at 14:41, Mark Brown wrote: >> On Mon, Feb 17, 2025 at 02:26:48PM +0530, Anup Patel wrote: >> I'm seeing boot regressions with qemu on arm64 in -next which bisect >> down to this patch. We hit a NULL pointer dereference: >> >> <6>[ 0.898900] virtio_blk virtio1: 1/0/0 default/read/poll queues >> <5>[ 0.910197] virtio_blk virtio1: [vda] 3906250 512-byte logical blocks (2.00 GB/1.86 GiB) >> <1>[ 0.924459] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 >> <1>[ 0.924508] Mem abort info: >> <1>[ 0.924521] ESR = 0x000000008600002b >> <1>[ 0.924559] EC = 0x21: IABT (current EL), IL = 32 bits >> <1>[ 0.924580] SET = 0, FnV = 0 >> <1>[ 0.924597] EA = 0, S1PTW = 0 >> <1>[ 0.924616] FSC = 0x2b: level -1 translation fault >> <1>[ 0.924667] [0000000000000000] user address but active_mm is swapper >> <0>[ 0.924833] Internal error: Oops: 000000008600002b [#1] PREEMPT >> SMP > > Uuurg. I wish I had double checked that the final submitted patch covers > _ALL_ incarnations of this. The below delta patch should address it. I'll redo the branch accordingly. Thanks, tglx