From bbe80adf29dbfe6118f8e0a27eea6e77b705df11 Mon Sep 17 00:00:00 2001 From: Alex Williamson Date: Tue, 6 Jul 2010 10:37:17 -0600 Subject: [PATCH] pc: Avoid registering zero sized memory No need to call cpu_register_physical_memory() for a zero sized area. Signed-off-by: Alex Williamson Signed-off-by: Anthony Liguori --- hw/pc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/hw/pc.c b/hw/pc.c index a96187f5b5..58dea57f8e 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -916,8 +916,10 @@ void pc_memory_init(ram_addr_t ram_size, below_4g_mem_size - 0x100000, ram_addr + 0x100000); #if TARGET_PHYS_ADDR_BITS > 32 - cpu_register_physical_memory(0x100000000ULL, above_4g_mem_size, - ram_addr + below_4g_mem_size); + if (above_4g_mem_size > 0) { + cpu_register_physical_memory(0x100000000ULL, above_4g_mem_size, + ram_addr + below_4g_mem_size); + } #endif /* BIOS load */ -- 2.11.0