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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-15 07:46:36 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-15 07:46:36 -0700
commite126c7b6bbb0c5b5fc3ecf2fd1ae67c803b747cc (patch)
tree627ae2a512194ed3cb9f0720f14706dd9d76ec16
parent22b1a9203ea634ac0ee5240e021613da3328275f (diff)
parent220ddc0847ebd42d18ee78c7e1c2f4c2e3be637d (diff)
downloadlinux-2.6.34-ux500-e126c7b6bbb0c5b5fc3ecf2fd1ae67c803b747cc.tar.gz
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Fix console output getting dropped on platforms without udbg_putc [POWERPC] Fix per-cpu allocation on oldworld SMP powermacs
-rw-r--r--arch/powerpc/kernel/udbg.c8
-rw-r--r--arch/powerpc/platforms/powermac/setup.c13
-rw-r--r--arch/powerpc/platforms/powermac/smp.c1
3 files changed, 19 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c
index 87703df8750..cbca1df8bc6 100644
--- a/arch/powerpc/kernel/udbg.c
+++ b/arch/powerpc/kernel/udbg.c
@@ -151,12 +151,18 @@ static struct console udbg_console = {
static int early_console_initialized;
-/* called by setup_system */
+/*
+ * Called by setup_system after ppc_md->probe and ppc_md->early_init.
+ * Call it again after setting udbg_putc in ppc_md->setup_arch.
+ */
void register_early_udbg_console(void)
{
if (early_console_initialized)
return;
+ if (!udbg_putc)
+ return;
+
if (strstr(boot_command_line, "udbg-immortal")) {
printk(KERN_INFO "early console immortal !\n");
udbg_console.flags &= ~CON_BOOT;
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 07b1c4ec428..956571526a5 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -363,8 +363,19 @@ static void __init pmac_setup_arch(void)
smp_ops = &core99_smp_ops;
}
#ifdef CONFIG_PPC32
- else
+ else {
+ /*
+ * We have to set bits in cpu_possible_map here since the
+ * secondary CPU(s) aren't in the device tree, and
+ * setup_per_cpu_areas only allocates per-cpu data for
+ * CPUs in the cpu_possible_map.
+ */
+ int cpu;
+
+ for (cpu = 1; cpu < 4 && cpu < NR_CPUS; ++cpu)
+ cpu_set(cpu, cpu_possible_map);
smp_ops = &psurge_smp_ops;
+ }
#endif
#endif /* CONFIG_SMP */
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 686ed82bde7..cb2d894541c 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -317,7 +317,6 @@ static int __init smp_psurge_probe(void)
ncpus = NR_CPUS;
for (i = 1; i < ncpus ; ++i) {
cpu_set(i, cpu_present_map);
- cpu_set(i, cpu_possible_map);
set_hard_smp_processor_id(i, i);
}