提交 e5524bf1 编写于 作者: A Adrian Hunter 提交者: Peter Zijlstra

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: eadf48ca ("perf/x86/intel/pt: Add support for address range filtering in PT")
Signed-off-by: NAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: NPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220131072453.2839535-5-adrian.hunter@intel.com
上级 d680ff24
......@@ -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;
......
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