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ahunter6Peter Zijlstra
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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: eadf48c ("perf/x86/intel/pt: Add support for address range filtering in PT") Signed-off-by: Adrian Hunter <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Link: https://lore.kernel.org/r/[email protected]
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arch/x86/events/intel/pt.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -474,7 +474,7 @@ static u64 pt_config_filters(struct perf_event *event)
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pt->filters.filter[range].msr_b = filter->msr_b;
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}
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rtit_ctl |= filter->config << pt_address_ranges[range].reg_off;
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rtit_ctl |= (u64)filter->config << pt_address_ranges[range].reg_off;
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}
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return rtit_ctl;

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