[PATCH] Drop CONFIG_SCHED_MC

[Helge Deller <deller@gmx.de>]

Mikulas noticed that the parisc kernel crashes in sd_init() if
CONFIG_SCHED_MC is enabled.
Multicore-scheduling is probably not very useful on parisc, so simply
drop this option.

Signed-off-by: Helge Deller <deller@gmx.de>
Noticed-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: <stable@vger.kernel.org> # 5.18

diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index bd22578859d0..34591a981cb7 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -281,14 +281,6 @@ config SMP

 	  If you don't know what to do here, say N.

-config SCHED_MC
-	bool "Multi-core scheduler support"
-	depends on GENERIC_ARCH_TOPOLOGY && PA8X00
-	help
-	  Multi-core scheduler support improves the CPU scheduler's decision
-	  making when dealing with multi-core CPU chips at a cost of slightly
-	  increased overhead in some places. If unsure say N here.
-
 config IRQSTACKS
 	bool "Use separate kernel stacks when processing interrupts"
 	default y
diff --git a/arch/parisc/kernel/topology.c b/arch/parisc/kernel/topology.c
index 9696e3cb6a2a..71a678ceb33a 100644
--- a/arch/parisc/kernel/topology.c
+++ b/arch/parisc/kernel/topology.c
@@ -81,10 +81,6 @@ void store_cpu_topology(unsigned int cpuid)
 }

 static struct sched_domain_topology_level parisc_mc_topology[] = {
-#ifdef CONFIG_SCHED_MC
-	{ cpu_coregroup_mask, cpu_core_flags, SD_INIT_NAME(MC) },
-#endif
-
 	{ cpu_cpu_mask, SD_INIT_NAME(DIE) },
 	{ NULL, },
 };