Hi all,
Just noticed this patch and wanted to leave a quick comment. The original
issue wasn't with cross-page writes - it was with cross-TB writes.
Cross-page writes become an issue once you reverse the order of the loop, so
that part of the patch is necessary. But someone might want to leave
On Aug 19, 2014, at 2:16 AM, Paolo Bonzini wrote:
> Il 18/08/2014 22:50, Hulin, Patrick - 0559 - MITLL ha scritto:
>>>> Correct. Doesn¹t work. Haven¹t fully diagnosed why, but it doesn¹t seem
>>>> to ever hit the current_tb_modified passage if you invalidate beforehand
On 8/18/14, 1:47 PM, "Hulin, Patrick - 0559 - MITLL"
wrote:
>On Aug 18, 2014, at 1:37 PM, Richard Henderson wrote:
>
>>On 08/16/2014 10:21 PM, Paolo Bonzini wrote:
>>>>>Would it work to just call tb_invalidate_phys_page_range before the
>>>>>
On 8/18/14, 1:47 PM, "Hulin, Patrick - 0559 - MITLL"
wrote:
>On Aug 17, 2014, at 1:21 AM, Paolo Bonzini wrote:
>
>> Il 15/08/2014 23:49, Hulin, Patrick - 0559 - MITLL ha scritto:
>>>>> In this case, the write is 8 bytes and unaligned, so it gets split
>
On Aug 17, 2014, at 1:21 AM, Paolo Bonzini wrote:
> Il 15/08/2014 23:49, Hulin, Patrick - 0559 - MITLL ha scritto:
>>>> In this case, the write is 8 bytes and unaligned, so it gets split
>>>> into 8 single-byte writes. In stock QEMU, these writes are done in
>>
On Aug 18, 2014, at 1:37 PM, Richard Henderson wrote:
> On 08/16/2014 10:21 PM, Paolo Bonzini wrote:
Would it work to just call tb_invalidate_phys_page_range before the
helper_ret_stb loop?
>
> I doubt it.
Correct. Doesn’t work. Haven’t fully diagnosed why, but it doesn’t seem to eve
On Aug 15, 2014, at 4:48 PM, Paolo Bonzini wrote:
> Il 13/08/2014 20:36, Hulin, Patrick - 0559 - MITLL ha scritto:
>> Hi QEMU devs,
>>
>> QEMU 2.10 does not currently run Windows 7 64-bit without KVM. There
>> have been a few threads about this over the past
I suppose I should probably add a tl;dr.
I have a diagnosis of the reason Windows 7 64-bit won’t run without KVM, as
well as a hack to fix it, but I’d like input on a real fix.
Details below.
On Aug 13, 2014, at 2:36 PM, Hulin, Patrick - 0559 - MITLL
wrote:
> Hi QEMU devs,
>
>
Hi QEMU devs,
QEMU 2.10 does not currently run Windows 7 64-bit without KVM. There have been
a few threads about this over the past few years (such as
https://bugs.launchpad.net/qemu/+bug/921208 and
http://lists.gnu.org/archive/html/qemu-devel/2012-09/msg02603.html), but the
problem was never
