From: Anton Blanchard <anton@samba.org>
To: benh@kernel.crashing.org, rusty@rustcorp.com.au
Cc: linuxppc-dev@ozlabs.org
Subject: [patch 03/15] powerpc: cpumask: Convert smp_cpus_done to new cpumask API
Date: Tue, 27 Apr 2010 11:32:34 +1000 [thread overview]
Message-ID: <20100427013431.787617147@samba.org> (raw)
In-Reply-To: 20100427013231.510168034@samba.org
Use the new cpumask_* functions and dynamically allocate the cpumask in
smp_cpus_done.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
Index: linux-cpumask/arch/powerpc/kernel/smp.c
===================================================================
--- linux-cpumask.orig/arch/powerpc/kernel/smp.c 2010-04-08 19:46:04.379196361 +1000
+++ linux-cpumask/arch/powerpc/kernel/smp.c 2010-04-22 13:03:13.025446124 +1000
@@ -554,19 +554,22 @@ int setup_profiling_timer(unsigned int m
void __init smp_cpus_done(unsigned int max_cpus)
{
- cpumask_t old_mask;
+ cpumask_var_t old_mask;
/* We want the setup_cpu() here to be called from CPU 0, but our
* init thread may have been "borrowed" by another CPU in the meantime
* se we pin us down to CPU 0 for a short while
*/
- old_mask = current->cpus_allowed;
- set_cpus_allowed(current, cpumask_of_cpu(boot_cpuid));
-
+ alloc_cpumask_var(&old_mask, GFP_NOWAIT);
+ cpumask_copy(old_mask, ¤t->cpus_allowed);
+ set_cpus_allowed_ptr(current, cpumask_of(boot_cpuid));
+
if (smp_ops && smp_ops->setup_cpu)
smp_ops->setup_cpu(boot_cpuid);
- set_cpus_allowed(current, old_mask);
+ set_cpus_allowed_ptr(current, old_mask);
+
+ free_cpumask_var(old_mask);
snapshot_timebases();
next prev parent reply other threads:[~2010-04-27 1:32 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-27 1:32 [patch 00/15] PowerPC cpumask patches Anton Blanchard
2010-04-27 1:32 ` [patch 01/15] powerpc: cpumask: Use cpu_online_mask Anton Blanchard
2010-04-27 1:32 ` [patch 02/15] powerpc: cpumask: Convert rtasd to new cpumask API Anton Blanchard
2010-04-27 1:32 ` Anton Blanchard [this message]
2010-04-28 2:09 ` [patch 03/15] powerpc: cpumask: Convert smp_cpus_done " Stephen Rothwell
2010-04-27 1:32 ` [patch 04/15] powerpc: cpumask: Convert fixup_irqs " Anton Blanchard
2010-04-27 1:32 ` [patch 05/15] powerpc: cpumask: Convert iseries SMP code " Anton Blanchard
2010-04-27 1:32 ` [patch 06/15] powerpc: cpumask: Convert pseries " Anton Blanchard
2010-04-27 1:32 ` [patch 07/15] powerpc: cpumask: Convert xics driver " Anton Blanchard
2010-04-27 1:32 ` [patch 08/15] powerpc: cpumask: Refactor /proc/cpuinfo code Anton Blanchard
2010-04-27 1:32 ` [patch 09/15] powerpc: cpumask: Convert /proc/cpuinfo to new cpumask API Anton Blanchard
2010-04-27 1:32 ` [patch 10/15] powerpc: cpumask: Dynamically allocate cpu_sibling_map and cpu_core_map cpumasks Anton Blanchard
2010-04-27 1:32 ` [patch 11/15] powerpc: cpumask: Convert hotplug-cpu code to new cpumask API Anton Blanchard
2010-04-27 1:32 ` [patch 12/15] powerpc: cpumask: Convert NUMA " Anton Blanchard
2010-04-27 1:32 ` [patch 13/15] powerpc: cpumask: Update some comments Anton Blanchard
2010-04-27 1:32 ` [patch 14/15] powerpc: cpumask: Convert mpic driver to new cpumask API Anton Blanchard
2010-04-27 1:32 ` [patch 15/15] powerpc: cpumask: Add DEBUG_PER_CPU_MAPS option Anton Blanchard
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