Commit 89c140bb authored Jul 15, 2020 by Anton Blanchard Committed by Michael Ellerman Jul 16, 2020

pseries: Fix 64 bit logical memory block panic



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

parent 29d9407e

arch/powerpc/platforms/pseries/hotplug-memory.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -25,7 +25,7 @@
		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");

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