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Commit 5dae61b8 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Wrap SMP IPIs with irq_enter()/irq_exit().
  [SPARC64]: Fix args to 64-bit sys_semctl() via sys_ipc().
parents 2e561c7b 2664ef44

arch/sparc64/kernel/smp.c

+22 −5
Original line number Diff line number Diff line
@@ -866,14 +866,21 @@ void smp_call_function_client(int irq, struct pt_regs *regs) 
	void *info = call_data->info;



	clear_softint(1 << irq);

	if (call_data->wait) {

		/* let initiator proceed only after completion */

		func(info);

		atomic_inc(&call_data->finished);

	} else {



	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 */

		atomic_inc(&call_data->finished);

	}

}
@@ -1032,7 +1039,9 @@ 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)
@@ -1040,6 +1049,8 @@ 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
@@ -1059,6 +1070,8 @@ 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)
@@ -1217,6 +1230,8 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs) 
{

	clear_softint(1 << irq);



	irq_enter();



	preempt_disable();



	__asm__ __volatile__("flushw");
@@ -1229,6 +1244,8 @@ 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. */

arch/sparc64/kernel/sys_sparc.c

+2 −2
Original line number Diff line number Diff line
@@ -454,8 +454,8 @@ asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second, 
			err = sys_semget(first, (int)second, (int)third);

			goto out;

		case SEMCTL: {

			err = sys_semctl(first, third,

					 (int)second | IPC_64,

			err = sys_semctl(first, second,

					 (int)third | IPC_64,

					 (union semun) ptr);

			goto out;

		}