Hi Ben, On 29/08/2025 17:56, Ben Horgan wrote: > On 8/22/25 16:30, James Morse wrote: >> The bitmap reset code has been a source of bugs. Add a unit test. >> >> This currently has to be built in, as the rest of the driver is >> builtin. >> diff --git a/drivers/resctrl/Kconfig b/drivers/resctrl/Kconfig >> index dff7b87280ab..f5e0609975e4 100644 >> --- a/drivers/resctrl/Kconfig >> +++ b/drivers/resctrl/Kconfig >> @@ -4,8 +4,21 @@ config ARM64_MPAM_DRIVER >> bool "MPAM driver for System IP, e,g. caches and memory controllers" >> depends on ARM64_MPAM && EXPERT >> >> +menu "ARM64 MPAM driver options" >> + >> config ARM64_MPAM_DRIVER_DEBUG >> bool "Enable debug messages from the MPAM driver." >> depends on ARM64_MPAM_DRIVER >> help >> Say yes here to enable debug messages from the MPAM driver. >> + >> +config MPAM_KUNIT_TEST >> + bool "KUnit tests for MPAM driver " if !KUNIT_ALL_TESTS >> + depends on KUNIT=y > It depends on ARM64_MPAM_DRIVER as well. Yeah, the kbuild robot had some fun with all this. Turns out ARM64_MPAM is undefined on non-ARM64, which means its dependencies disappear. All this is now under an 'if ARM64_MPAM_DRIVER' and the driver symbol depends on ARM64 && ARM64_MPAM... Thanks, James
