diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2022-01-31 09:24:52 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-02-02 13:11:43 +0100 |
| commit | e5524bf1047eb3b3f3f33b5f59897ba67b3ade87 (patch) | |
| tree | 47be3d90da1726989068d1b77d420401f9d0ad09 /arch/x86/events/intel/pt.c | |
| parent | d680ff24e9e14444c63945b43a37ede7cd6958f9 (diff) | |
perf/x86/intel/pt: Fix address filter config for 32-bit kernel
Change from shifting 'unsigned long' to 'u64' to prevent the config bits
being lost on a 32-bit kernel.
Fixes: eadf48cab4b6b0 ("perf/x86/intel/pt: Add support for address range filtering in PT")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220131072453.2839535-5-adrian.hunter@intel.com
Diffstat (limited to 'arch/x86/events/intel/pt.c')
| -rw-r--r-- | arch/x86/events/intel/pt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index 93676a5b66db..f061dc2bd5f0 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -474,7 +474,7 @@ static u64 pt_config_filters(struct perf_event *event) pt->filters.filter[range].msr_b = filter->msr_b; } - rtit_ctl |= filter->config << pt_address_ranges[range].reg_off; + rtit_ctl |= (u64)filter->config << pt_address_ranges[range].reg_off; } return rtit_ctl; |