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 58DDBC433F5 for ; Thu, 24 Feb 2022 10:42:07 +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:In-Reply-To:MIME-Version:Date: Message-ID:References:Cc:To:Subject:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=2Gk0FmR7uaZF0uOTdOiiO8M4VLxtLe08Z0+qhJ1ra4A=; b=TuSuxyirF6tpL5iQ6+Fd2ORsus AuK4g5sbigAUmZXyMP5T5tgv/QS654maDPTfIBfrv/EibuueLrLeWFPKmnrI0t/iUKcfzdi5Ue/Dn lRFLaiunCHdFop37OKpjFPCzSEFz/xYUmeMAOvlVY2s7XugMSokAQ/c1D0dwlicbFfjCZJKbXfhWX 3TTj2OjwUbWUHLOBjowWr3P6FlWq6LEar3YvWukCLhXCQGFXkDCrSneu1rD0yC4eirGKSE8h7Yyb7 HYQT7NIU0oRDgjgbRZD4+aQWb44ke7ysfSHafTP2nXjIlZo9sjhPTcBt5Rm+/mrEz4AAKI98zf3uR hQ/wC49A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nNBZP-000PMf-JK; Thu, 24 Feb 2022 10:41:59 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nNBZA-000PHT-Op; Thu, 24 Feb 2022 10:41:46 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id DB6B0ED1; Thu, 24 Feb 2022 02:41:43 -0800 (PST) Received: from [10.163.48.178] (unknown [10.163.48.178]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 1BF8A3F70D; Thu, 24 Feb 2022 02:41:36 -0800 (PST) From: Anshuman Khandual Subject: Re: [PATCH 05/11] swiotlb: pass a gfp_mask argument to swiotlb_init_late To: Christoph Hellwig , iommu@lists.linux-foundation.org Cc: x86@kernel.org, Stefano Stabellini , Boris Ostrovsky , Juergen Gross , Joerg Roedel , David Woodhouse , Lu Baolu , Robin Murphy , linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hyperv@vger.kernel.org, tboot-devel@lists.sourceforge.net, linux-pci@vger.kernel.org References: <20220222153514.593231-1-hch@lst.de> <20220222153514.593231-6-hch@lst.de> Message-ID: Date: Thu, 24 Feb 2022 16:11:39 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20220222153514.593231-6-hch@lst.de> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220224_024144_949284_75E7E086 X-CRM114-Status: GOOD ( 18.97 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 2/22/22 9:05 PM, Christoph Hellwig wrote: > Let the caller chose a zone to allocate from. This is being used later via xen_swiotlb_gfp() on arm platform. > > Signed-off-by: Christoph Hellwig > --- > arch/x86/pci/sta2x11-fixup.c | 2 +- > include/linux/swiotlb.h | 2 +- > kernel/dma/swiotlb.c | 4 ++-- > 3 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/arch/x86/pci/sta2x11-fixup.c b/arch/x86/pci/sta2x11-fixup.c > index e0c039a75b2db..c7e6faf59a861 100644 > --- a/arch/x86/pci/sta2x11-fixup.c > +++ b/arch/x86/pci/sta2x11-fixup.c > @@ -57,7 +57,7 @@ static void sta2x11_new_instance(struct pci_dev *pdev) > int size = STA2X11_SWIOTLB_SIZE; > /* First instance: register your own swiotlb area */ > dev_info(&pdev->dev, "Using SWIOTLB (size %i)\n", size); > - if (swiotlb_init_late(size)) > + if (swiotlb_init_late(size, GFP_DMA)) > dev_emerg(&pdev->dev, "init swiotlb failed\n"); > } > list_add(&instance->list, &sta2x11_instance_list); > diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h > index b48b26bfa0edb..1befd6b2ccf5e 100644 > --- a/include/linux/swiotlb.h > +++ b/include/linux/swiotlb.h > @@ -40,7 +40,7 @@ extern void swiotlb_init(int verbose); > int swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose); > unsigned long swiotlb_size_or_default(void); > extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs); > -int swiotlb_init_late(size_t size); > +int swiotlb_init_late(size_t size, gfp_t gfp_mask); > extern void __init swiotlb_update_mem_attributes(void); > > phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, phys_addr_t phys, > diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c > index 5f64b02fbb732..a653fcf1fe6c2 100644 > --- a/kernel/dma/swiotlb.c > +++ b/kernel/dma/swiotlb.c > @@ -290,7 +290,7 @@ swiotlb_init(int verbose) > * initialize the swiotlb later using the slab allocator if needed. > * This should be just like above, but with some error catching. > */ > -int swiotlb_init_late(size_t size) > +int swiotlb_init_late(size_t size, gfp_t gfp_mask) > { > unsigned long nslabs = ALIGN(size >> IO_TLB_SHIFT, IO_TLB_SEGSIZE); > unsigned long bytes; > @@ -309,7 +309,7 @@ int swiotlb_init_late(size_t size) > bytes = nslabs << IO_TLB_SHIFT; > > while ((SLABS_PER_PAGE << order) > IO_TLB_MIN_SLABS) { > - vstart = (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, > + vstart = (void *)__get_free_pages(gfp_mask | __GFP_NOWARN, > order); > if (vstart) > break; > Reviewed-by: Anshuman Khandual _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv