[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] swiotlb: set IO TLB segment size via cmdline
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Wed, 15 Sep 2021 15:53:21 +0200
- Cc: Roman Skakun <rm.skakun@xxxxxxxxx>, Andrii Anisov <andrii_anisov@xxxxxxxx>, Roman Skakun <roman_skakun@xxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, "Paul E. McKenney" <paulmck@xxxxxxxxxx>, Randy Dunlap <rdunlap@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, "Maciej W. Rozycki" <macro@xxxxxxxxxxx>, Muchun Song <songmuchun@xxxxxxxxxxxxx>, Viresh Kumar <viresh.kumar@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, iommu <iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Wed, 15 Sep 2021 13:53:29 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Wed, Sep 15, 2021 at 03:49:52PM +0200, Jan Beulich wrote:
> But the question remains: Why does the framebuffer need to be mapped
> in a single giant chunk?
More importantly: if you use dynamic dma mappings for your framebuffer
you're doing something wrong.
|
