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    x86/mce: Fix build bug with CONFIG_PROVE_LOCKING=y && CONFIG_X86_MCE_INTEL=y · 2aa2b50d
    Ingo Molnar 提交于
    Commit f56e8a07 "x86/mce: Fix RCU lockdep splats" introduced the
    following build bug:
    
      arch/x86/kernel/cpu/mcheck/mce.c: In function 'mce_log':
      arch/x86/kernel/cpu/mcheck/mce.c:166: error: 'mce_read_mutex' undeclared (first use in this function)
      arch/x86/kernel/cpu/mcheck/mce.c:166: error: (Each undeclared identifier is reported only once
      arch/x86/kernel/cpu/mcheck/mce.c:166: error: for each function it appears in.)
    
    Move the in-the-middle-of-file lock variable up to the variable
    definition section, the top of the .c file.
    
    Cc: Paul 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: NIngo Molnar <mingo@elte.hu>
    2aa2b50d
mce.c 48.9 KB