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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-10-20 17:04:18 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-10-20 17:06:57 -0400
commita06f916b7a9b57447ceb875eb0a89f1a66b31bca (patch)
treea8a9d7c5e91a08f253107ffcf066dbeb4f7d9d34 /arch/arm/mach-exynos4/platsmp.c
parent5a567d78c437e3be1c512734cdfe64b4ae6b82d7 (diff)
ARM: smp: fix clipping of number of CPUs
Rather than clipping the number of CPUs using the compile-time NR_CPUS constant, use the runtime nr_cpu_ids value instead. This allows the nr_cpus command line option to work as expected. Cc: <stable@kernel.org> Reported-by: Mark Salter <msalter@redhat.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-exynos4/platsmp.c')
-rw-r--r--arch/arm/mach-exynos4/platsmp.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c
index 7c2282c6ba81..a08c536923f9 100644
--- a/arch/arm/mach-exynos4/platsmp.c
+++ b/arch/arm/mach-exynos4/platsmp.c
@@ -191,12 +191,10 @@ void __init smp_init_cpus(void)
191 ncores = scu_base ? scu_get_core_count(scu_base) : 1; 191 ncores = scu_base ? scu_get_core_count(scu_base) : 1;
192 192
193 /* sanity check */ 193 /* sanity check */
194 if (ncores > NR_CPUS) { 194 if (ncores > nr_cpu_ids) {
195 printk(KERN_WARNING 195 pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
196 "EXYNOS4: no. of cores (%d) greater than configured " 196 ncores, nr_cpu_ids);
197 "maximum of %d - clipping\n", 197 ncores = nr_cpu_ids;
198 ncores, NR_CPUS);
199 ncores = NR_CPUS;
200 } 198 }
201 199
202 for (i = 0; i < ncores; i++) 200 for (i = 0; i < ncores; i++)