Patchwork [v2,5/5] Qemu: mark pci rom readonly

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Submitter Xiao Guangrong
Date Oct. 25, 2012, 9:23 a.m.
Message ID <50890507.8030501@linux.vnet.ibm.com>
Download mbox | patch
Permalink /patch/194086/
State New
Headers show

Comments

Xiao Guangrong - Oct. 25, 2012, 9:23 a.m.
Since it is ROM which is really readonly in the system

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
 hw/pci.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Patch

diff --git a/hw/pci.c b/hw/pci.c
index 2ca6ff6..2a287bb 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1803,6 +1803,7 @@  static int pci_add_option_rom(PCIDevice *pdev, bool is_default_rom)
     }
     pdev->has_rom = true;
     memory_region_init_ram(&pdev->rom, name, size);
+    memory_region_set_readonly(&pdev->rom, true);
     vmstate_register_ram(&pdev->rom, &pdev->qdev);
     ptr = memory_region_get_ram_ptr(&pdev->rom);
     load_image(path, ptr);