diff options
| author | Matt Wagantall <[email protected]> | 2014-12-15 23:47:23 +0000 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2015-01-19 16:11:59 +0000 |
| commit | 54c523127bcca986c6f9b04c7b56a949ea011899 (patch) | |
| tree | 767e7fda0df1eddf25229c447bbe316bda4446b0 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | 3c8567d1cac0fa4c44ddcf0a956cae0bf2a348f3 (diff) | |
iopoll: Introduce memory-mapped IO polling macros
It is sometimes necessary to poll a memory-mapped register until its value
satisfies some condition. Introduce a family of convenience macros that do
this. Tight-looping, sleeping, and timing out can all be accomplished using
these macros.
Cc: Thierry Reding <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Robert Elliott <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Acked-by: Will Deacon <[email protected]>
Signed-off-by: Matt Wagantall <[email protected]>
Signed-off-by: Mitchel Humpherys <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions