MIPS: perf: Split the Kconfig option CONFIG_MIPS_MT_SMP

Split the Kconfig option CONFIG_MIPS_MT_SMP into CONFIG_MIPS_MT_SMP
and CONFIG_MIPS_PERF_SHARED_TC_COUNTERS so some of the code used
for performance counters that are shared between threads can be used
for MIPS cores that are not MT_SMP.

Signed-off-by: Al Cooper <alcooperx@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/4108/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 35453eaeffb5..2c580cf59397 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1928,6 +1928,7 @@ config MIPS_MT_SMP
         select SYS_SUPPORTS_SCHED_SMT if SMP
         select SYS_SUPPORTS_SMP
         select SMP_UP
+        select MIPS_PERF_SHARED_TC_COUNTERS
         help
           This is a kernel model which is known a VSMP but lately has been
           marketesed into SMVP.
@@ -2277,6 +2278,9 @@ config NR_CPUS
           performance should round up your number of processors to the next
           power of two.
 
+config MIPS_PERF_SHARED_TC_COUNTERS
+        bool
+
 #
 # Timer Interrupt Frequency Configuration
 #