[PATCH] parisc: add sysctl file interface panic_on_stackoverflow

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The variable sysctl_panic_on_stackoverflow is used in
arch/parisc/kernel/irq.c and arch/x86/kernel/irq_32.c, but the sysctl file
interface panic_on_stackoverflow only exists on x86.

Add sysctl file interface panic_on_stackoverflow for parisc

Signed-off-by: Xiaoming Ni <nixiaoming@xxxxxxxxxx>
---
 kernel/sysctl.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 8a176d8..b9ff323 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -994,30 +994,32 @@ static int sysrq_sysctl_handler(struct ctl_table *table, int write,
 		.proc_handler   = proc_dointvec,
 	},
 #endif
-#if defined(CONFIG_X86)
+
+#if (defined(CONFIG_X86_32) || defined(CONFIG_PARISC)) && \
+	defined(CONFIG_DEBUG_STACKOVERFLOW)
 	{
-		.procname	= "panic_on_unrecovered_nmi",
-		.data		= &panic_on_unrecovered_nmi,
+		.procname	= "panic_on_stackoverflow",
+		.data		= &sysctl_panic_on_stackoverflow,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
+#endif
+#if defined(CONFIG_X86)
 	{
-		.procname	= "panic_on_io_nmi",
-		.data		= &panic_on_io_nmi,
+		.procname	= "panic_on_unrecovered_nmi",
+		.data		= &panic_on_unrecovered_nmi,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
-#ifdef CONFIG_DEBUG_STACKOVERFLOW
 	{
-		.procname	= "panic_on_stackoverflow",
-		.data		= &sysctl_panic_on_stackoverflow,
+		.procname	= "panic_on_io_nmi",
+		.data		= &panic_on_io_nmi,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
-#endif
 	{
 		.procname	= "bootloader_type",
 		.data		= &bootloader_type,
-- 
1.8.5.6




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