arm64: add new config CONFIG_PMU_WATCHDOG

hulk inclusion
category: feature
bugzilla: 49592
CVE: NA

-------------------------------------------------

Add new config CONFIG_PMU_WATCHDOG for watchdog implementation method
configuration.
Signed-off-by: NWei Li <liwei391@huawei.com>
Reviewed-by: NHanjun Guo <guohanjun@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

arch/arm64/Kconfig

@@ -172,7 +172,6 @@ config ARM64
 	select HAVE_NMI
 	select HAVE_PATA_PLATFORM
 	select HAVE_PERF_EVENTS
-	select HAVE_HARDLOCKUP_DETECTOR_PERF	if PERF_EVENTS && HAVE_PERF_EVENTS_NMI
 	select HAVE_PERF_REGS
 	select HAVE_PERF_USER_STACK_DUMP
 	select HAVE_REGS_AND_STACK_ACCESS_API

lib/Kconfig.debug

@@ -964,12 +964,25 @@ config HARDLOCKUP_DETECTOR_PERF
 	bool
 	select SOFTLOCKUP_DETECTOR
 
+choice
+	prompt "aarch64 NMI watchdog method"
+	depends on ARM64
+	help
+	  Watchdog implementation method configuration.
+
 config SDEI_WATCHDOG
 	bool "SDEI NMI Watchdog support"
 	depends on ARM_SDE_INTERFACE && !HARDLOCKUP_CHECK_TIMESTAMP
 	select HAVE_HARDLOCKUP_DETECTOR_ARCH
 	select HARDLOCKUP_DETECTOR
 
+config PMU_WATCHDOG
+	bool "PMU NMI Watchdog support"
+	depends on PERF_EVENTS && HAVE_PERF_EVENTS_NMI
+	select HAVE_HARDLOCKUP_DETECTOR_PERF
+
+endchoice
+
 #
 # Enables a timestamp based low pass filter to compensate for perf based
 # hard lockup detection which runs too fast due to turbo modes.