diff options
| author |   Stefan Richter <stefanr@s5r6.in-berlin.de> | 2010-07-27 13:20:33 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2010-07-29 23:06:25 +0200 |
| commit | 071595ebdc66d70219e2d1ce746016f64b2b19e7 (patch) | |
| tree | 3083b0de17a6d0633420ffda1dfa04a0b4b880b2 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | firewire: cdev: improve FW_CDEV_IOC_ALLOCATE (diff) | |
| download | linux-dev-071595ebdc66d70219e2d1ce746016f64b2b19e7.tar.xz linux-dev-071595ebdc66d70219e2d1ce746016f64b2b19e7.zip | |
firewire: ohci: use memory barriers to order descriptor updates
When we append to a DMA program, we need to ensure that the order in
which initialization of the new descriptors and update of the
branch_address of the old tail descriptor, as seen by the PCI device,
happen as intended.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions