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authorAnton Blanchard <anton@ozlabs.org>2020-07-15 03:08:20 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-08-21 11:53:06 +0300
commit0511e6969c32455cbc9cea968325b9d2d0f94e0e (patch)
tree222d4413d2a7993c0d0808260adb00d7b680c900
parent8f6f315f8fcd628b67f57a7e8cc6265da4065302 (diff)
downloadlinux-0511e6969c32455cbc9cea968325b9d2d0f94e0e.tar.xz
pseries: Fix 64 bit logical memory block panic
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@vger.kernel.org Signed-off-by: Anton Blanchard <anton@ozlabs.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200715000820.1255764-1-anton@ozlabs.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 0e65d52eb56d..2025e772fc9c 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -29,7 +29,7 @@ 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");