Might be useful for SMP debugging.
Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>
---
arch/mips/Kconfig | 6 ++++--
arch/mips/qemu/q-smp.c | 7 +++++++
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 1f98b6c..c7c07a2 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -542,6 +542,7 @@ config QEMU
select SYS_SUPPORTS_LITTLE_ENDIAN
select ARCH_SPARSEMEM_ENABLE
select GENERIC_HARDIRQS_NO__DO_IRQ
+ select SYS_SUPPORTS_SMP
help
Qemu is a software emulator which among other architectures also
can simulate a MIPS32 4Kc system. This patch adds support for the
@@ -1824,9 +1825,10 @@ config NR_CPUS_DEFAULT_64
bool
config NR_CPUS
- int "Maximum number of CPUs (2-64)"
- range 2 64
+ int "Maximum number of CPUs (2-64)" if !QEMU
+ range 2 64 if !QEMU
depends on SMP
+ default "1" if QEMU
default "2" if NR_CPUS_DEFAULT_2
default "4" if NR_CPUS_DEFAULT_4
default "8" if NR_CPUS_DEFAULT_8
diff --git a/arch/mips/qemu/q-smp.c b/arch/mips/qemu/q-smp.c
index 5a12354..786bbfa 100644
--- a/arch/mips/qemu/q-smp.c
+++ b/arch/mips/qemu/q-smp.c
@@ -46,3 +46,10 @@ void __init prom_prepare_cpus(unsigned i
void prom_boot_secondary(int cpu, struct task_struct *idle)
{
}
+
+void __init plat_smp_setup(void)
+{
+}
+void __init plat_prepare_cpus(unsigned int max_cpus)
+{
+}
