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Commit a2e534c6 authored by Adrian Hunter's avatar Adrian Hunter Committed by Greg Kroah-Hartman
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perf/x86/intel/pt: Fix address filter config for 32-bit kernel 



[ Upstream commit e5524bf1047eb3b3f3f33b5f59897ba67b3ade87 ]

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: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220131072453.2839535-5-adrian.hunter@intel.com


Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 015d3116

arch/x86/events/intel/pt.c

+1 −1
Original line number Diff line number Diff line
@@ -460,7 +460,7 @@ 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;