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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /arch/s390/kernel/perf_cpum_sf.c | |
parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'arch/s390/kernel/perf_cpum_sf.c')
-rw-r--r-- | arch/s390/kernel/perf_cpum_sf.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index afe05bfb7..b973972f6 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -1019,12 +1019,9 @@ static int perf_push_sample(struct perf_event *event, struct sf_raw_sample *sfr) break; } - /* The host-program-parameter (hpp) contains the sie control - * block that is set by sie64a() in entry64.S. Check if hpp - * refers to a valid control block and set sde_regs flags - * accordingly. This would allow to use hpp values for other - * purposes too. - * For now, simply use a non-zero value as guest indicator. + /* The host-program-parameter (hpp) contains the pid of + * the CPU thread as set by sie64a() in entry.S. + * If non-zero assume a guest sample. */ if (sfr->basic.hpp) sde_regs->in_guest = 1; |