[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode |
Date: |
Thu, 25 Aug 2011 12:51:17 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2011-08-25 12:45, Avi Kivity wrote:
> On 08/25/2011 12:21 PM, Jan Kiszka wrote:
>>>
>>> Still slow. I tried an old F11 image I had lying around, and -snapshot
>>> /dev/sda, but this laptop was installed many years ago. I'll download
>>> some more images and try.
>>
>> You may also want to instrument vga_update_memory_access if some
>> requirement for linear mapping is not fulfilled.
>>
>
> Plain F15 is slow. SR2 = SR4 = 0.
So it's not using chain4 mode. Can you check what mode the adapter is
actually in and how VRAM is accessed? Likely, there is nothing we can do
about it. /me just wonders what makes F15 grub behave differently from
other distro's versions...
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
- [Qemu-devel] [PATCH v3 3/6] vmware-vga: Remove dead DIRECT_VRAM mode, (continued)
- [Qemu-devel] [PATCH v3 3/6] vmware-vga: Remove dead DIRECT_VRAM mode, Jan Kiszka, 2011/08/22
- [Qemu-devel] [PATCH v3 2/6] vmware-vga: Disable verbose mode, Jan Kiszka, 2011/08/22
- [Qemu-devel] [PATCH v3 1/6] vmware-vga: Register reset service, Jan Kiszka, 2011/08/22
- [Qemu-devel] [PATCH v3 6/6] vga: Drop some unused fields, Jan Kiszka, 2011/08/22
- [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode, Jan Kiszka, 2011/08/22
- Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode, Avi Kivity, 2011/08/25
- Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode, Jan Kiszka, 2011/08/25
- Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode, Avi Kivity, 2011/08/25
- Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode, Jan Kiszka, 2011/08/25
- Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode, Avi Kivity, 2011/08/25
- Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode,
Jan Kiszka <=
- Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode, Avi Kivity, 2011/08/25
- Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode, Jan Kiszka, 2011/08/25
[Qemu-devel] [PATCH v3 4/6] vmware-vga: Eliminate vga_dirty_log_restart, Jan Kiszka, 2011/08/22
Re: [Qemu-devel] [PATCH v3 0/6] vga: dirty log cleanup, more linear mapping, Anthony Liguori, 2011/08/22