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Commit 8239c25f authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

smp: Add task_struct argument to __cpu_up() 



Preparatory patch to make the idle thread allocation for secondary
cpus generic.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Howells <dhowells@redhat.com>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/20120420124556.964170564@linutronix.de
parent bda3bdc9

arch/alpha/kernel/smp.c

+1 −1
Original line number Diff line number Diff line
@@ -487,7 +487,7 @@ smp_prepare_boot_cpu(void) 
}



int __cpuinit

__cpu_up(unsigned int cpu)

__cpu_up(unsigned int cpu, struct task_struct *tidle)

{

	smp_boot_one_cpu(cpu);

arch/arm/kernel/smp.c

+1 −1
Original line number Diff line number Diff line
@@ -60,7 +60,7 @@ enum ipi_msg_type { 


static DECLARE_COMPLETION(cpu_running);



int __cpuinit __cpu_up(unsigned int cpu)

int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)

{

	struct cpuinfo_arm *ci = &per_cpu(cpu_data, cpu);

	struct task_struct *idle = ci->idle;

arch/blackfin/mach-common/smp.c

+1 −1
Original line number Diff line number Diff line
@@ -340,7 +340,7 @@ void smp_send_stop(void) 
	return;

}



int __cpuinit __cpu_up(unsigned int cpu)

int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)

{

	int ret;

	struct blackfin_cpudata *ci = &per_cpu(cpu_data, cpu);

arch/cris/arch-v32/kernel/smp.c

+1 −1
Original line number Diff line number Diff line
@@ -207,7 +207,7 @@ int setup_profiling_timer(unsigned int multiplier) 
 */

unsigned long cache_decay_ticks = 1;



int __cpuinit __cpu_up(unsigned int cpu)

int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)

{

	smp_boot_one_cpu(cpu);

	return cpu_online(cpu) ? 0 : -ENOSYS;

arch/hexagon/kernel/smp.c

+1 −1
Original line number Diff line number Diff line
@@ -196,7 +196,7 @@ void __cpuinit start_secondary(void) 
 * maintains control until "cpu_online(cpu)" is set.

 */



int __cpuinit __cpu_up(unsigned int cpu)

int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)

{

	struct task_struct *idle;

	struct thread_info *thread;