Commit-ID: 74c93f9d39b556ff9ac2340d568ad5caf8446c65
Gitweb: http://git.kernel.org/tip/74c93f9d39b556ff9ac2340d568ad5caf8446c65
Author: Mike Travis <travis@xxxxxxx>
AuthorDate: Tue, 14 Jan 2014 10:25:53 -0600
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Sat, 25 Jan 2014 08:55:10 +0100
x86/uv/nmi: Fix Sparse warnings
Make uv_register_nmi_notifier() and uv_handle_nmi_ping() static
to address sparse warnings.
Fix problem where uv_nmi_kexec_failed is unused when
CONFIG_KEXEC is not defined.
Signed-off-by: Mike Travis <travis@xxxxxxx>
Reviewed-by: Hedi Berriche <hedi@xxxxxxx>
Cc: Russ Anderson <rja@xxxxxxx>
Cc: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20140114162551.480872353@xxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/include/asm/uv/uv.h | 2 --
arch/x86/kernel/apic/x2apic_uv_x.c | 1 -
arch/x86/platform/uv/uv_nmi.c | 9 ++++-----
3 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
index 6b964a0..062921e 100644
--- a/arch/x86/include/asm/uv/uv.h
+++ b/arch/x86/include/asm/uv/uv.h
@@ -12,7 +12,6 @@ extern enum uv_system_type get_uv_system_type(void);
extern int is_uv_system(void);
extern void uv_cpu_init(void);
extern void uv_nmi_init(void);
-extern void uv_register_nmi_notifier(void);
extern void uv_system_init(void);
extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
struct mm_struct *mm,
@@ -26,7 +25,6 @@ static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; }
static inline int is_uv_system(void) { return 0; }
static inline void uv_cpu_init(void) { }
static inline void uv_system_init(void) { }
-static inline void uv_register_nmi_notifier(void) { }
static inline const struct cpumask *
uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm,
unsigned long start, unsigned long end, unsigned int cpu)
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index ad0dc04..d263b13 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -980,7 +980,6 @@ void __init uv_system_init(void)
uv_nmi_setup();
uv_cpu_init();
uv_scir_register_cpu_notifier();
- uv_register_nmi_notifier();
proc_mkdir("sgi_uv", NULL);
/* register Legacy VGA I/O redirection handler */
diff --git a/arch/x86/platform/uv/uv_nmi.c b/arch/x86/platform/uv/uv_nmi.c
index 7486c21..3a3c425 100644
--- a/arch/x86/platform/uv/uv_nmi.c
+++ b/arch/x86/platform/uv/uv_nmi.c
@@ -74,7 +74,6 @@ static atomic_t uv_in_nmi;
static atomic_t uv_nmi_cpu = ATOMIC_INIT(-1);
static atomic_t uv_nmi_cpus_in_nmi = ATOMIC_INIT(-1);
static atomic_t uv_nmi_slave_continue;
-static atomic_t uv_nmi_kexec_failed;
static cpumask_var_t uv_nmi_cpu_mask;
/* Values for uv_nmi_slave_continue */
@@ -504,6 +503,7 @@ static void uv_nmi_touch_watchdogs(void)
}
#if defined(CONFIG_KEXEC)
+static atomic_t uv_nmi_kexec_failed;
static void uv_nmi_kdump(int cpu, int master, struct pt_regs *regs)
{
/* Call crash to dump system state */
@@ -634,7 +634,7 @@ int uv_handle_nmi(unsigned int reason, struct pt_regs *regs)
/*
* NMI handler for pulling in CPUs when perf events are grabbing our NMI
*/
-int uv_handle_nmi_ping(unsigned int reason, struct pt_regs *regs)
+static int uv_handle_nmi_ping(unsigned int reason, struct pt_regs *regs)
{
int ret;
@@ -651,7 +651,7 @@ int uv_handle_nmi_ping(unsigned int reason, struct pt_regs *regs)
return ret;
}
-void uv_register_nmi_notifier(void)
+static void uv_register_nmi_notifier(void)
{
if (register_nmi_handler(NMI_UNKNOWN, uv_handle_nmi, 0, "uv"))
pr_warn("UV: NMI handler failed to register\n");
@@ -695,6 +695,5 @@ void uv_nmi_setup(void)
uv_hub_nmi_per(cpu) = uv_hub_nmi_list[nid];
}
BUG_ON(!alloc_cpumask_var(&uv_nmi_cpu_mask, GFP_KERNEL));
+ uv_register_nmi_notifier();
}
-
-
--
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