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-rw-r--r--arch/ia64/Kconfig1
-rw-r--r--arch/ia64/kernel/perfmon.c4
-rw-r--r--arch/ia64/kernel/process.c14
3 files changed, 10 insertions, 9 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index b534ebab36ea..f80758cb7157 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -18,6 +18,7 @@ config IA64
select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select HAVE_UNSTABLE_SCHED_CLOCK
+ select HAVE_EXIT_THREAD
select HAVE_IDE
select HAVE_OPROFILE
select HAVE_KPROBES
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 9cd607b06964..2436ad5f92c1 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -4542,8 +4542,8 @@ pfm_context_unload(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg
/*
- * called only from exit_thread(): task == current
- * we come here only if current has a context attached (loaded or masked)
+ * called only from exit_thread()
+ * we come here only if the task has a context attached (loaded or masked)
*/
void
pfm_exit_thread(struct task_struct *task)
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index b51514957620..aae6c4dc7ae7 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -570,22 +570,22 @@ flush_thread (void)
}
/*
- * Clean up state associated with current thread. This is called when
+ * Clean up state associated with a thread. This is called when
* the thread calls exit().
*/
void
-exit_thread (void)
+exit_thread (struct task_struct *tsk)
{
- ia64_drop_fpu(current);
+ ia64_drop_fpu(tsk);
#ifdef CONFIG_PERFMON
/* if needed, stop monitoring and flush state to perfmon context */
- if (current->thread.pfm_context)
- pfm_exit_thread(current);
+ if (tsk->thread.pfm_context)
+ pfm_exit_thread(tsk);
/* free debug register resources */
- if (current->thread.flags & IA64_THREAD_DBG_VALID)
- pfm_release_debug_registers(current);
+ if (tsk->thread.flags & IA64_THREAD_DBG_VALID)
+ pfm_release_debug_registers(tsk);
#endif
}