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[Qemu-devel] [PATCH] pc: unbreak vhost
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCH] pc: unbreak vhost |
Date: |
Fri, 16 Jul 2010 14:00:04 +0300 |
User-agent: |
Mutt/1.5.20 (2009-12-10) |
Commit 44ae28f3152138e71ccad66c201d730b93374bc2 breaks vhost
on small guests as we get a zero-sized memory slot at >4G,
which that code does not expect.
The removal of if (above_4g_size > 0) seems unintentional
(commit log only mentions allocation memory in a single chunk)
so just put it back in.
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/pc.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/hw/pc.c b/hw/pc.c
index 89bd4af..77b1592 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -920,8 +920,10 @@ 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 */
--
1.7.2.rc0.14.g41c1c
- [Qemu-devel] [PATCH] pc: unbreak vhost,
Michael S. Tsirkin <=