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[Qemu-devel] [PATCH 0/3] vhost-user fixes
From: |
Nikolay Nikolaev |
Subject: |
[Qemu-devel] [PATCH 0/3] vhost-user fixes |
Date: |
Tue, 08 Jul 2014 17:05:29 +0300 |
User-agent: |
StGit/0.17.1-dirty |
The latest vhost-user changes changed the VHOST_SET_MEM_TABLE handling.
Now the memory regions are mapped from dev->mem. The BIOS is registered
at address 0xfffc0000 which is out of memory boundaries for guests with
less than 4G RAM. Calling qemu_get_ram_fd with this address causes abort()
in qemu_get_ram_block with "Bad ram offset".
To prevent this situation we introduce a new function to check if the address
maps to any RAMBlock - qemu_is_ram_block. This is used in VHOST_SET_MEM_TABLE
handling to revent the aborting call to qemu_get_ram_fd.
The related vhost-user qtest is also updated to reflect the changes in
vhost-user message structures.
---
Nikolay Nikolaev (3):
Add qemu_is_ram_block
vhost-user: Fix VHOST_SET_MEM_TABLE processing
qtest: Adapt vhost-user-test to latehs vhost-user changes
exec.c | 15 +++++++++++++++
hw/virtio/vhost-user.c | 4 ++++
include/exec/ram_addr.h | 1 +
tests/vhost-user-test.c | 11 +++++++++--
4 files changed, 29 insertions(+), 2 deletions(-)
--
Signature
- [Qemu-devel] [PATCH 0/3] vhost-user fixes,
Nikolay Nikolaev <=
- [Qemu-devel] [PATCH 2/3] vhost-user: Fix VHOST_SET_MEM_TABLE processing, Nikolay Nikolaev, 2014/07/08
- [Qemu-devel] [PATCH 3/3] qtest: Adapt vhost-user-test to latehs vhost-user changes, Nikolay Nikolaev, 2014/07/08
- [Qemu-devel] [PATCH 1/3] Add qemu_is_ram_block, Nikolay Nikolaev, 2014/07/10
- Re: [Qemu-devel] [PATCH 0/3] vhost-user fixes, Michael S. Tsirkin, 2014/07/11
- Re: [Qemu-devel] [PATCH 0/3] vhost-user fixes, Paolo Bonzini, 2014/07/11