From: Anton Blanchard <anton@xxxxxxxxxx>
commit 89c140bbaeee7a55ed0360a88f294ead2b95201b upstream.
Booting with a 4GB LMB size causes us to panic:
qemu-system-ppc64: OS terminated: OS panic:
Memory block size not suitable: 0x0
Fix pseries_memory_block_size() to handle 64 bit LMBs.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Anton Blanchard <anton@xxxxxxxxxx>
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20200715000820.1255764-1-anton@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -27,7 +27,7 @@ static bool rtas_hp_event;
unsigned long pseries_memory_block_size(void)
{
struct device_node *np;
- unsigned int memblock_size = MIN_MEMORY_BLOCK_SIZE;
+ u64 memblock_size = MIN_MEMORY_BLOCK_SIZE;
struct resource r;
np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
