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Re: [PATCH v6 0/9] Allow dynamic allocation of software IO TLB bounce buffers
- To: Petr Tesařík <petr@xxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>
- From: Petr Tesarik <petrtesarik@xxxxxxxxxxxxxxx>
- Date: Tue, 1 Aug 2023 08:28:42 +0200
- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Christoph Lameter <cl@xxxxxxxxx>, Pekka Enberg <penberg@xxxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Roman Gushchin <roman.gushchin@xxxxxxxxx>, Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>, Petr Tesarik <petr.tesarik.ext@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>, Hans de Goede <hdegoede@xxxxxxxxxx>, James Seo <james@xxxxxxxxxx>, James Clark <james.clark@xxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, "moderated list:XEN HYPERVISOR ARM" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "moderated list:ARM PORT" <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, open list <linux-kernel@xxxxxxxxxxxxxxx>, "open list:MIPS" <linux-mips@xxxxxxxxxxxxxxx>, "open list:XEN SWIOTLB SUBSYSTEM" <iommu@xxxxxxxxxxxxxxx>, "open list:SLAB ALLOCATOR" <linux-mm@xxxxxxxxx>, Roberto Sassu <roberto.sassu@xxxxxxxxxxxxxxx>
- Delivery-date: Tue, 01 Aug 2023 06:29:46 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 7/31/2023 9:46 PM, Petr Tesařík wrote:
> V Mon, 31 Jul 2023 18:04:09 +0200
> Christoph Hellwig <hch@xxxxxx> napsáno:
>
>> I was just going to apply this, but patch 1 seems to have a non-trivial
>> conflict with the is_swiotlb_active removal in pci-dma.c. Can you resend
>> against the current dma-mapping for-next tree?
>
> Sure thing, will re-send tomorrow morning.
After commit f9a38ea5172a ("x86: always initialize xen-swiotlb when
xen-pcifront is enabling") removed that call to swiotlb_init_late(),
there is nothing to patch, and the hunk can be dropped.
I have just sent v7.
Petr T
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