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-rw-r--r--arch/Kconfig3
-rw-r--r--arch/sparc/kernel/nmi.c5
-rw-r--r--kernel/watchdog.c13
3 files changed, 7 insertions, 14 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 205fd23e0cad..422f0ffa269e 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -405,7 +405,8 @@ config HAVE_NMI_WATCHDOG
bool
help
The arch provides a low level NMI watchdog. It provides
- asm/nmi.h, and defines its own arch_touch_nmi_watchdog().
+ asm/nmi.h, and defines its own watchdog_hardlockup_probe() and
+ arch_touch_nmi_watchdog().
config HAVE_HARDLOCKUP_DETECTOR_ARCH
bool
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index 9d9e29b75c43..17cdfdbf1f3b 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -65,6 +65,11 @@ void arch_touch_nmi_watchdog(void)
}
EXPORT_SYMBOL(arch_touch_nmi_watchdog);
+int __init watchdog_hardlockup_probe(void)
+{
+ return 0;
+}
+
static void die_nmi(const char *str, struct pt_regs *regs, int do_panic)
{
int this_cpu = smp_processor_id();
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 4b9e31edb47f..62230f5b8878 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -217,19 +217,6 @@ void __weak watchdog_hardlockup_disable(unsigned int cpu) { }
*/
int __weak __init watchdog_hardlockup_probe(void)
{
- /*
- * If CONFIG_HAVE_NMI_WATCHDOG is defined then an architecture
- * is assumed to have the hard watchdog available and we return 0.
- */
- if (IS_ENABLED(CONFIG_HAVE_NMI_WATCHDOG))
- return 0;
-
- /*
- * Hardlockup detectors other than those using CONFIG_HAVE_NMI_WATCHDOG
- * are required to implement a non-weak version of this probe function
- * to tell whether they are available. If they don't override then
- * we'll return -ENODEV.
- */
return -ENODEV;
}