[PATCH 4/5] perf/x86/intel/pt: Fix address filter config for 32-bit kernel

From: Adrian Hunter <adrian.hunter@intel.com>
To: Peter Zijlstra <peterz@infradead.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Jiri Olsa <jolsa@redhat.com>,
	linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, kvm@vger.kernel.org,
	H Peter Anvin <hpa@zytor.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Leo Yan <leo.yan@linaro.org>
Subject: [PATCH 4/5] perf/x86/intel/pt: Fix address filter config for 32-bit kernel
Date: Mon, 31 Jan 2022 09:24:52 +0200	[thread overview]
Message-ID: <20220131072453.2839535-5-adrian.hunter@intel.com> (raw)
In-Reply-To: <20220131072453.2839535-1-adrian.hunter@intel.com>

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>
---
 arch/x86/events/intel/pt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 4015c1364463..aa66c0c7b18b 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -490,7 +490,7 @@ 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;
-- 
2.25.1

