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mce: convert to rcu_dereference_index_check()

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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: Paul 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>
This commit is contained in:
Paul E. McKenney 2010-04-30 06:45:36 -07:00
parent 81bdf5bd73
commit ec8c27e04f
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/cpu/mcheck/mce.c
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@ -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))