Commit 81d6ec6b authored by David S. Miller's avatar David S. Miller
Browse files

Revert "[SPARC64]: Wrap SMP IPIs with irq_enter()/irq_exit()." 



This reverts commit 2664ef44.

Ingo moved around where the softlockup dependency sits
so this change is no longer necessary.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5b81d689

arch/sparc64/kernel/smp.c

+5 −22
Original line number Diff line number Diff line
@@ -865,21 +865,14 @@ void smp_call_function_client(int irq, struct pt_regs *regs) 
	void *info = call_data->info;



	clear_softint(1 << irq);



	irq_enter();



	if (!call_data->wait) {

		/* let initiator proceed after getting data */

		atomic_inc(&call_data->finished);

	}



	func(info);



	irq_exit();



	if (call_data->wait) {

		/* let initiator proceed only after completion */

		func(info);

		atomic_inc(&call_data->finished);

	} else {

		/* let initiator proceed after getting data */

		atomic_inc(&call_data->finished);

		func(info);

	}

}
@@ -1041,9 +1034,7 @@ void smp_receive_signal(int cpu) 


void smp_receive_signal_client(int irq, struct pt_regs *regs)

{

	irq_enter();

	clear_softint(1 << irq);

	irq_exit();

}



void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs)
@@ -1051,8 +1042,6 @@ void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs) 
	struct mm_struct *mm;

	unsigned long flags;



	irq_enter();



	clear_softint(1 << irq);



	/* See if we need to allocate a new TLB context because
@@ -1072,8 +1061,6 @@ void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs) 
	load_secondary_context(mm);

	__flush_tlb_mm(CTX_HWBITS(mm->context),

		       SECONDARY_CONTEXT);



	irq_exit();

}



void smp_new_mmu_context_version(void)
@@ -1239,8 +1226,6 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs) 
{

	clear_softint(1 << irq);



	irq_enter();



	preempt_disable();



	__asm__ __volatile__("flushw");
@@ -1253,8 +1238,6 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs) 
	prom_world(0);



	preempt_enable();



	irq_exit();

}



/* /proc/profile writes can call this, don't __init it please. */