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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2010-05-17 10:00:02 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-05-17 10:00:15 +0200 |
| commit | 6a2df3a87276cdc08fd87070d09ea18d1fb9d622 (patch) | |
| tree | 384b646d0a826ab5c2bafa63e9bea4a057815fe2 /arch/s390/kernel/s390_ext.c | |
| parent | 43d399d2ab7e96cb8d952d0ba4e9131587b7c8b9 (diff) | |
[S390] improve irq tracing code in entry[64].S
The system call path in entry[64].S is run with interrupts enabled.
Remove the irq tracing check from the system call exit code. If a
program check interrupted a context enabled for interrupts do a
call to trace_irq_off_caller in the program check handler before
branching to the system call exit code.
Restructure the system call and io interrupt return code to avoid
avoid the lpsw[e] to disable machine checks.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/s390_ext.c')
0 files changed, 0 insertions, 0 deletions