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 1893AC54E64 for ; Mon, 25 Mar 2024 17:41:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OawDm1GR4rTlq1n0jGb6ZI9BY1xvQr3I4c3fxQ2FhF8=; b=Mq5T6QFArOMJqE dfip3KyjG9SCLswtexydSA9G3SWlAFVk73ktAXY1f43MHv9weCIBNQrsxAYdxjgtNOAE7P+AHkJYV pwj7+8n6yBFpD0WJy65GnzDB5lzC8iBqzRSyhvxoXXKbOVIPxXIinXgQRgvOpnvqMkNObun8oFXrC hK+TT3ESEUdp/Ch67ozfhzet+orXhaIss99L8S1TmQsAbAmTHtCiOWPSP+pTSMP5MkSlsMwYg5Ig2 i+q689+h7Cj/14y1HaJzrvGvzl8n93oTfH+a1wwAQcNheJVs/hJN9sxDuaH41XO+r634iRHwvFfoi 1pViRrmX9gL8YyvMb5Vw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rooKB-00000001619-3kdr; Mon, 25 Mar 2024 17:41:31 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rooJg-000000015rV-48R5 for linux-arm-kernel@lists.infradead.org; Mon, 25 Mar 2024 17:41:29 +0000 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1711388458; 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=Xmzb+eW330TUASaWKG2wSZdy0QxEcVUyM2WdEc5Izc0=; b=aAK6G8ElBaGz3aXo/UA9razEyWcBZRcJ+5cVa+60XUd4Jkb1/SO8MesWRi1u3xmAl309ZI 0NBJE+ltFsNrs3dMkvkm4APaoaYtVLekPEE2+/7yjJ4/E6i0MVaVWy3EJt0SgseJ8Py0j1 CXWms2Gs0CN9cZDUt9yFxlm1OEYGtL3z/wM//Ddld5tJ8jnYhGw4ibN3yDBybuNaFwPe3/ OoigBJqrDf4ALjtUn/ASohHwFI2GMEcO8bh3w6Sh0/dUcUqHTKfn0BYgNQ7lu6WNHyyOFU uYzI3otrMBlSbncKt8Vivbm9WREfdZqGzhBHTd0USBELhvvLAJ9F9m/RFgijpg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1711388458; 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=Xmzb+eW330TUASaWKG2wSZdy0QxEcVUyM2WdEc5Izc0=; b=bHIDaqqoMRjarqEGazNFrdIwC2Fqjk3r89j5otyheYgKoAN2/orw+lrQcUqZ92PNtDl84X biOkOk8IDzh/E3DA== To: "Peng Fan (OSS)" , Will Deacon , Robin Murphy , Joerg Roedel , Marc Zyngier Cc: Bixuan Cui , linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Peng Fan Subject: Re: [PATCH 2/3] genirq/msi: cache the last msi msg In-Reply-To: <20240324-smmu-v3-v1-2-11bc96e156a5@nxp.com> References: <20240324-smmu-v3-v1-0-11bc96e156a5@nxp.com> <20240324-smmu-v3-v1-2-11bc96e156a5@nxp.com> Date: Mon, 25 Mar 2024 18:40:58 +0100 Message-ID: <878r26fbv9.ffs@tglx> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240325_104101_399684_F8C184E4 X-CRM114-Status: GOOD ( 13.57 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Mar 24 2024 at 20:28, Peng Fan (OSS) wrote: > From: Peng Fan > > Cache the last msi msg which will be used for ARM SMMU V3 resume > > Signed-off-by: Peng Fan > --- > kernel/irq/msi.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c > index f90952ebc494..9d7e0a675089 100644 > --- a/kernel/irq/msi.c > +++ b/kernel/irq/msi.c > @@ -617,6 +617,9 @@ static unsigned int msi_domain_get_hwsize(struct device *dev, unsigned int domid > static inline void irq_chip_write_msi_msg(struct irq_data *data, > struct msi_msg *msg) > { > + struct msi_desc *desc = irq_data_get_msi_desc(data); > + > + desc->msg = *msg; > data->chip->irq_write_msi_msg(data, msg); > } This should remove the very same line in the PCI/MSI code, no? Thanks, tglx _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel