• Paul E. McKenney's avatar
    x86/mce: Fix RCU lockdep splats · f56e8a07
    Paul E. McKenney authored
    
    
    Create an rcu_dereference_check_mce() that checks for RCU-sched
    read side and mce_read_mutex being held on update side.  Replace
    uses of rcu_dereference() in arch/x86/kernel/cpu/mcheck/mce.c
    with this new macro.
    Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
    Cc: "H. Peter Anvin" <hpa@zytor.com>
    Cc: x86@kernel.org
    Cc: laijs@cn.fujitsu.com
    Cc: dipankar@in.ibm.com
    Cc: mathieu.desnoyers@polymtl.ca
    Cc: josh@joshtriplett.org
    Cc: dvhltc@us.ibm.com
    Cc: niv@us.ibm.com
    Cc: peterz@infradead.org
    Cc: rostedt@goodmis.org
    Cc: Valdis.Kletnieks@vt.edu
    Cc: dhowells@redhat.com
    LKML-Reference: <1267830207-9474-3-git-send-email-paulmck@linux.vnet.ibm.com>
    Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
    f56e8a07
mce.c 48.9 KB