Re: [PATCH 12/15] swiotlb: provide swiotlb_init variants that remap the buffer
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- To: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Subject: Re: [PATCH 12/15] swiotlb: provide swiotlb_init variants that remap the buffer
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Tue, 15 Mar 2022 07:36:18 +0100
- Cc: Christoph Hellwig <hch@xxxxxx>, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, Anshuman Khandual <anshuman.khandual@xxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-hyperv@xxxxxxxxxxxxxxx, tboot-devel@xxxxxxxxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxx
- In-reply-to: <4d800aa8-5e38-1ad9-284f-1754c83d0f8a@oracle.com>
- References: <20220314073129.1862284-1-hch@lst.de> <20220314073129.1862284-13-hch@lst.de> <4d800aa8-5e38-1ad9-284f-1754c83d0f8a@oracle.com>
- User-agent: Mutt/1.5.17 (2007-11-01)
On Mon, Mar 14, 2022 at 06:39:21PM -0400, Boris Ostrovsky wrote:
> This is IO_TLB_MIN_SLABS, isn't it? (Xen code didn't say so but that's what it meant to say I believe)
Yes, that makes much more sense. I've switched the patch to use
IO_TLB_MIN_SLABS and drop the 2MB comment in both places.
Can I get a review with that fixed up?
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