]> git.itanic.dy.fi Git - linux-stable/commit
perf/x86/intel/uncore: Fix filter_tid mask for CHA events on Skylake Server
authorAlexander Antonov <alexander.antonov@linux.intel.com>
Mon, 15 Nov 2021 09:03:32 +0000 (12:03 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 26 Nov 2021 10:40:40 +0000 (11:40 +0100)
commit69783d52fd0515a89c8c53720c74b164b9f490a6
tree43bcd075b702eddccb7faf67a6efec6a97802cf6
parent47244ac0b65bd74cc70007d8e1bac68bd2baad19
perf/x86/intel/uncore: Fix filter_tid mask for CHA events on Skylake Server

[ Upstream commit e324234e0aa881b7841c7c713306403e12b069ff ]

According Uncore Reference Manual: any of the CHA events may be filtered
by Thread/Core-ID by using tid modifier in CHA Filter 0 Register.
Update skx_cha_hw_config() to follow Uncore Guide.

Fixes: cd34cd97b7b4 ("perf/x86/intel/uncore: Add Skylake server uncore support")
Signed-off-by: Alexander Antonov <alexander.antonov@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20211115090334.3789-2-alexander.antonov@linux.intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/x86/events/intel/uncore_snbep.c