diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/kernel/traps.c | 4 | ||||
| -rw-r--r-- | arch/x86_64/kernel/nmi.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 54629bb5893a..029bf94cda7d 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -657,7 +657,7 @@ fastcall void do_nmi(struct pt_regs * regs, long error_code) ++nmi_count(cpu); - if (!nmi_callback(regs, cpu)) + if (!rcu_dereference(nmi_callback)(regs, cpu)) default_do_nmi(regs); nmi_exit(); @@ -665,7 +665,7 @@ fastcall void do_nmi(struct pt_regs * regs, long error_code) void set_nmi_callback(nmi_callback_t callback) { - nmi_callback = callback; + rcu_assign_pointer(nmi_callback, callback); } EXPORT_SYMBOL_GPL(set_nmi_callback); diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index 84cae81fff8b..caf164959e19 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -524,14 +524,14 @@ asmlinkage void do_nmi(struct pt_regs * regs, long error_code) nmi_enter(); add_pda(__nmi_count,1); - if (!nmi_callback(regs, cpu)) + if (!rcu_dereference(nmi_callback)(regs, cpu)) default_do_nmi(regs); nmi_exit(); } void set_nmi_callback(nmi_callback_t callback) { - nmi_callback = callback; + rcu_assign_pointer(nmi_callback, callback); } void unset_nmi_callback(void) |
