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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2018-06-30 10:54:15 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-07-04 08:35:18 +0200 |
| commit | 9d6d99e3ac8ccfd0945edb3c83cd912838775056 (patch) | |
| tree | 6a429bbe7984e920b7a8abe545bd30c0501ff297 /arch/s390/kernel/entry.S | |
| parent | 8bf935501a7ef1b2ec3b51c804d657d5895f221a (diff) | |
| download | linux-9d6d99e3ac8ccfd0945edb3c83cd912838775056.tar.gz | |
s390: wire up rseq system call
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/entry.S')
| -rw-r--r-- | arch/s390/kernel/entry.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 3891805bfcdd..150130c897c3 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -357,6 +357,10 @@ ENTRY(system_call) stg %r2,__PT_R2(%r11) # store return value .Lsysc_return: +#ifdef CONFIG_DEBUG_RSEQ + lgr %r2,%r11 + brasl %r14,rseq_syscall +#endif LOCKDEP_SYS_EXIT .Lsysc_tif: TSTMSK __PT_FLAGS(%r11),_PIF_WORK |