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[IA64-SGI] Fix XPC code which sleeps with spin_lock_irqsave().

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During some testing, we got a warning about trying to allocate
memory while holding a lock.  This fixes that problem.

Signed-off-by: Robin Holt <holt@sgi.com>
Acked-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Robin Holt 2006-02-02 12:30:21 -06:00 committed by Tony Luck
parent 9a52bbed90
commit 7c6c663629
1 changed files with 11 additions and 8 deletions
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19
arch/ia64/sn/kernel/xpc_main.c
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@ -575,18 +575,21 @@ xpc_activate_partition(struct xpc_partition *part)
spin_lock_irqsave(&part->act_lock, irq_flags);
pid = kernel_thread(xpc_activating, (void *) ((u64) partid), 0);
DBUG_ON(part->act_state != XPC_P_INACTIVE);
if (pid > 0) {
part->act_state = XPC_P_ACTIVATION_REQ;
XPC_SET_REASON(part, xpcCloneKThread, __LINE__);
} else {
XPC_SET_REASON(part, xpcCloneKThreadFailed, __LINE__);
}
part->act_state = XPC_P_ACTIVATION_REQ;
XPC_SET_REASON(part, xpcCloneKThread, __LINE__);
spin_unlock_irqrestore(&part->act_lock, irq_flags);
pid = kernel_thread(xpc_activating, (void *) ((u64) partid), 0);
if (unlikely(pid <= 0)) {
spin_lock_irqsave(&part->act_lock, irq_flags);
part->act_state = XPC_P_INACTIVE;
XPC_SET_REASON(part, xpcCloneKThreadFailed, __LINE__);
spin_unlock_irqrestore(&part->act_lock, irq_flags);
}
}