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Re: [PATCH] swiotlb: enlarge iotlb buffer on demand

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From: FUJITA Tomonori
Subject: Re: [PATCH] swiotlb: enlarge iotlb buffer on demand
Date: Monday, August 2, 2010 - 7:56 am

On Mon, 2 Aug 2010 09:40:08 -0400
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> wrote:


libata does dma mapping for ata drivers. It can handle mapping errors.

Looks like r8169 can't handle errors.

All drivers should handle mapping errors because IOMMUs are pretty
common now. I think that drivers that vendor people are serious about
can handle mapping errors.
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Messages in current thread:
[PATCH] swiotlb: enlarge iotlb buffer on demand, FUJITA Tomonori, (Fri Jul 30, 8:37 am)
Re: [PATCH] swiotlb: enlarge iotlb buffer on demand, Konrad Rzeszutek Wilk, (Fri Jul 30, 1:27 pm)
Re: [PATCH] swiotlb: enlarge iotlb buffer on demand, Konrad Rzeszutek Wilk, (Fri Jul 30, 6:07 pm)
Re: [PATCH] swiotlb: enlarge iotlb buffer on demand, FUJITA Tomonori, (Sat Jul 31, 8:03 pm)
Re: [PATCH] swiotlb: enlarge iotlb buffer on demand, Konrad Rzeszutek Wilk, (Mon Aug 2, 6:40 am)
Re: [PATCH] swiotlb: enlarge iotlb buffer on demand, FUJITA Tomonori, (Mon Aug 2, 7:56 am)