diff options
| author | Suresh Siddha <[email protected]> | 2012-05-16 15:03:54 -0700 |
|---|---|---|
| committer | H. Peter Anvin <[email protected]> | 2012-05-16 15:20:59 -0700 |
| commit | 1dcc8d7ba235a316a056f993e88f0d18b92c60d9 (patch) | |
| tree | 0404321ce5a9a8c805f4ead0d2671e9a9227d5c0 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | d75f1b391f5ef73016d14bc6f7e4725820ebaa5b (diff) | |
x86, fpu: drop the fpu state during thread exit
There is no need to save any active fpu state to the task structure
memory if the task is dead. Just drop the state instead.
For example, this saved some 1770 xsave's during the system boot
of a two socket Xeon system.
Suggested-by: Linus Torvalds <[email protected]>
Signed-off-by: Suresh Siddha <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Cc: Oleg Nesterov <[email protected]>
Signed-off-by: H. Peter Anvin <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions