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Re: [Qemu-devel] SPARC iommu mapping

From: Joerg Platte
Subject: Re: [Qemu-devel] SPARC iommu mapping
Date: Sun, 9 Apr 2006 18:31:30 +0200
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Am Freitag, 7. April 2006 17:44 schrieb Blue Swirl:

> Maybe this patch helps?

The attached patch is an updated version of your patch. With whis patch I was 
able to copy files from one directory to another on a disk image. After 
unmounting the image, e2fsck reported no errors on this image. But 
unfortunately, booting from this image was not possible. INIT reported a 
segmentation violation. Maybe there is something else wrong. But now writing 
works much better than before :-)


PS: Is there any reason, why qemu copies disk data byte by byte? Calling 
iommu_translate only once per page and copying a whole page could speed up 
disk access significantly...

Attachment: qemu-write.patch
Description: Text Data

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