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| author | Ingo Molnar <mingo@elte.hu> | 2010-04-15 09:35:24 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-04-15 09:36:16 +0200 |
| commit | b257c14ceb1194a6181144210056d38f22127189 (patch) | |
| tree | c803925f1d5bf2237e7495d306bf43929df0c952 /Documentation/block/biodoc.txt | |
| parent | 371fd7e7a56a5c136d31aa980011bd2f131c3ef5 (diff) | |
| parent | 2ba3abd8186f24c7fb418927025b4e2120e3a362 (diff) | |
Merge branch 'linus' into sched/core
Merge reason: merge the latest fixes, update to -rc4.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/block/biodoc.txt')
| -rw-r--r-- | Documentation/block/biodoc.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/block/biodoc.txt b/Documentation/block/biodoc.txt index 6fab97ea7e6..508b5b2b028 100644 --- a/Documentation/block/biodoc.txt +++ b/Documentation/block/biodoc.txt @@ -1162,8 +1162,8 @@ where a driver received a request ala this before: As mentioned, there is no virtual mapping of a bio. For DMA, this is not a problem as the driver probably never will need a virtual mapping. -Instead it needs a bus mapping (pci_map_page for a single segment or -use blk_rq_map_sg for scatter gather) to be able to ship it to the driver. For +Instead it needs a bus mapping (dma_map_page for a single segment or +use dma_map_sg for scatter gather) to be able to ship it to the driver. For PIO drivers (or drivers that need to revert to PIO transfer once in a while (IDE for example)), where the CPU is doing the actual data transfer a virtual mapping is needed. If the driver supports highmem I/O, |