linux-next: manual merge of the tip tree with the s390 tree

From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Peter Zijlstra <peterz@infradead.org>
Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>
Subject: linux-next: manual merge of the tip tree with the s390 tree
Date: Wed, 14 Mar 2012 14:46:33 +1100	[thread overview]
Message-ID: <20120314144633.947d650e8b2904625df53416@canb.auug.org.au> (raw)

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Hi all,

Today's linux-next merge of the tip tree got a conflict in
arch/s390/kernel/smp.c between commit 8b646bd75908 ("[S390] rework smp
code") from the s390 tree and commit 5fbd036b552f ("sched: Cleanup
cpu_active madness") from the tip tree.

Just context changes.  I fixed it up (see below) and can carry the fix as
necessary.
-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au

diff --cc arch/s390/kernel/smp.c
index 64ebbcb,b0e28c4..0000000

--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@@ -714,12 -544,12 +714,6 @@@ static void __cpuinit smp_start_seconda
  	ipi_call_lock();
  	set_cpu_online(smp_processor_id(), true);
  	ipi_call_unlock();
- 	/*
- 	 * Wait until the cpu which brought this one up marked it
- 	 * active before enabling interrupts.
- 	 */
- 	while (!cpumask_test_cpu(smp_processor_id(), cpu_active_mask))
- 		cpu_relax();
 -	__ctl_clear_bit(0, 28); /* Disable lowcore protection */
 -	S390_lowcore.restart_psw.mask =
 -		PSW_DEFAULT_KEY | PSW_MASK_BASE | PSW_MASK_EA | PSW_MASK_BA;
 -	S390_lowcore.restart_psw.addr =
 -		PSW_ADDR_AMODE | (unsigned long) psw_restart_int_handler;
 -	__ctl_set_bit(0, 28); /* Enable lowcore protection */
  	local_irq_enable();
  	/* cpu_idle will call schedule for us */
  	cpu_idle();

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