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authorGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>2009-03-06 02:54:09 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-13 16:07:19 +1100
commitf507cd22035fdadd5dbb476dd05e9e7ee21c3b84 (patch)
tree6d152e75c9ae1ba59349c969ae4b96b1e9f61304 /include
parent9ead64974b05501bbac0d63a47c99fa786d064ba (diff)
downloadlinux-f507cd22035fdadd5dbb476dd05e9e7ee21c3b84.tar.bz2
ps3/block: Replace mtd/ps3vram by block/ps3vram
Convert the PS3 Video RAM Storage Driver from an MTD driver to a plain block device driver. The ps3vram driver exposes unused video RAM on the PS3 as a block device suitable for storage or swap. Fast data transfer is achieved using a local cache in system RAM and DMA transfers via the GPU. The new driver is ca. 50% faster for reading, and ca. 10% for writing. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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