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[IA64] initialize spinlock pfm_alt_install_check

I applied the penultimate version of the perfmon patch, which didn't have
the initialization of the new spinlock that was added.

Signed-off-by: Tony Luck <tony.luck@intel.com>

Tony Luck fe12e25e 3d620cd7

+1 -1
unified split
+1 -1
arch/ia64/kernel/perfmon.c
··· 497 497 static pfm_stats_t pfm_stats[NR_CPUS]; 498 498 static pfm_session_t pfm_sessions; /* global sessions information */ 499 499 500 - static spinlock_t pfm_alt_install_check; 500 + static spinlock_t pfm_alt_install_check = SPIN_LOCK_UNLOCKED; 501 501 static pfm_intr_handler_desc_t *pfm_alt_intr_handler; 502 502 503 503 static struct proc_dir_entry *perfmon_dir;