tree 6c94ccc673baaac3abf1cdfd31c669f872822134
parent 0e74bba60452150016864095b4896cd6d6cd2af9
author Xiaoyao Li <xiaoyao.li@intel.com> 1629777982 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1631083740 +0200

perf/x86/intel/pt: Fix mask of num_address_ranges

[ Upstream commit c53c6b7409f4cd9e542991b53d597fbe2751d7db ]

Per SDM, bit 2:0 of CPUID(0x14,1).EAX[2:0] reports the number of
configurable address ranges for filtering, not bit 1:0.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Link: https://lkml.kernel.org/r/20210824040622.4081502-1-xiaoyao.li@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>