diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-02 19:31:18 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-02 19:31:18 +0200 |
commit | 7a81146204859c6f8d8daf3ab7a25af17dfecd5f (patch) | |
tree | 6bcd14e38f8f44621521faf66565a97ee6ad461e /arch/x86/events/amd/ibs.c | |
parent | 96e46dcfb8534494859936b3da4f3018de53a53f (diff) | |
parent | 089cf7f6ecb266b6a4164919a2e69bd2f938374a (diff) |
Merge 5.3-rc7 into usb-next
We need the usb fixes in here for testing
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/events/amd/ibs.c')
-rw-r--r-- | arch/x86/events/amd/ibs.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/events/amd/ibs.c b/arch/x86/events/amd/ibs.c index 62f317c9113a..5b35b7ea5d72 100644 --- a/arch/x86/events/amd/ibs.c +++ b/arch/x86/events/amd/ibs.c @@ -661,10 +661,17 @@ fail: throttle = perf_event_overflow(event, &data, ®s); out: - if (throttle) + if (throttle) { perf_ibs_stop(event, 0); - else - perf_ibs_enable_event(perf_ibs, hwc, period >> 4); + } else { + period >>= 4; + + if ((ibs_caps & IBS_CAPS_RDWROPCNT) && + (*config & IBS_OP_CNT_CTL)) + period |= *config & IBS_OP_CUR_CNT_RAND; + + perf_ibs_enable_event(perf_ibs, hwc, period); + } perf_event_update_userpage(event); |