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Commit ec8c27e0 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

mce: convert to rcu_dereference_index_check() 



The mce processing applies rcu_dereference_check() to integers used as
array indices.  This patch therefore moves mce to the new RCU API
rcu_dereference_index_check() that avoids the sparse processing that
would otherwise result in compiler errors.

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
parent 81bdf5bd

arch/x86/kernel/cpu/mcheck/mce.c

+1 −1
Original line number Diff line number Diff line
@@ -51,7 +51,7 @@ 
static DEFINE_MUTEX(mce_read_mutex);



#define rcu_dereference_check_mce(p) \

	rcu_dereference_check((p), \

	rcu_dereference_index_check((p), \

			      rcu_read_lock_sched_held() || \

			      lockdep_is_held(&mce_read_mutex))