cxl: remove CONFIG_CXL_PMU entry in drivers/cxl/Kconfig

Commit 5d7107c72796 ("perf: CXL Performance Monitoring Unit driver")
added the config entries for CXL_PMU in drivers/cxl/Kconfig and
drivers/perf/Kconfig, so it can be toggled from multiple locations:

[1] Device Drivers
     -> PCI support
       -> CXL (Compute Expres Link) Devices
         -> CXL Performance Monitoring Unit

[2] Device Drivers
     -> Performance monitor support
       -> CXL Performance Monitoring Unit

This complicates things, and nobody else does this.

I kept the one in drivers/perf/Kconfig because CONFIG_CXL_PMU controls
the compilation of drivers/perf/cxl_pmu.c.

Acked-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig
index 67998dbd1d46b49dc623a0929c262174965bb601..5f3c9c5529b96040da1816a315e94eb00eaf9443 100644 (file)
--- a/drivers/cxl/Kconfig
+++ b/drivers/cxl/Kconfig
@@ -144,17 +144,4 @@ config CXL_REGION_INVALIDATION_TEST
          If unsure, or if this kernel is meant for production environments,
          say N.
 
-config CXL_PMU
-       tristate "CXL Performance Monitoring Unit"
-       default CXL_BUS
-       depends on PERF_EVENTS
-       help
-         Support performance monitoring as defined in CXL rev 3.0
-         section 13.2: Performance Monitoring. CXL components may have
-         one or more CXL Performance Monitoring Units (CPMUs).
-
-         Say 'y/m' to enable a driver that will attach to performance
-         monitoring units and provide standard perf based interfaces.
-
-         If unsure say 'm'.
 endif