From: Adrian Hunter Date: Mon, 31 Jan 2022 07:24:52 +0000 (+0200) Subject: perf/x86/intel/pt: Fix address filter config for 32-bit kernel X-Git-Tag: v4.19.238~251 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f0837cab89bb4fd486c57103b3792d7558cf83e;p=thirdparty%2Fkernel%2Fstable.git 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: eadf48cab4b6b0 ("perf/x86/intel/pt: Add support for address range filtering in PT") Signed-off-by: Adrian Hunter Signed-off-by: Peter Zijlstra (Intel) Link: https://lore.kernel.org/r/20220131072453.2839535-5-adrian.hunter@intel.com Signed-off-by: Sasha Levin --- diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index 849f0ba53a9b9..49b3ea1c1ea19 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -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;