diff options
| author | Peter Oberparleiter <peter.oberparleiter@de.ibm.com> | 2008-01-26 14:10:48 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-01-26 14:11:03 +0100 |
| commit | e82a1567e4b22eb035da2499d20ddd573c9acf75 (patch) | |
| tree | 0cf697f96e734a846ee1cbc598beebcc7be10117 /drivers/char/hvc_rtas.c | |
| parent | 4beee64685e116b01c47655daf6d88df87e053c8 (diff) | |
[S390] cio: reduce cpu utilization during device scan
Minimize calls to cpu intensive function get_subchannel_by_schid()
by introducing function for_each_subchannel_staged() which
temporarily caches the information about registered subchannels
in a bitmap.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/char/hvc_rtas.c')
0 files changed, 0 insertions, 0 deletions