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Re: [Qemu-devel] [PATCH v2 39/39] raw-win32: implement native asynchrono
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [PATCH v2 39/39] raw-win32: implement native asynchronous I/O |
Date: |
Wed, 21 Nov 2012 14:20:54 +0100 |
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 2012-10-31 16:30, Paolo Bonzini wrote:
> With the new support for EventNotifiers in the AIO event loop, we
> can hook a completion port to every opened file and use asynchronous
> I/O on them.
>
> Wine's support is extremely inefficient, also because it really does
> the I/O synchronously on regular files. (!) But it works, and it is
> good to keep the Win32 and POSIX ports as similar as possible.
>
I'm seeing a regression with this patch when cross-compiling with
mingw32 for Win7. QEMU is stuck while booting a versatilepb guest that
accesses the block layer via pflash. Enabling tracing "fixes" the issue,
of course...
Are there any patches flying around that are supposed to resolve this?
Jan
--
Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
Corporate Competence Center Embedded Linux
- Re: [Qemu-devel] [PATCH v2 39/39] raw-win32: implement native asynchronous I/O,
Jan Kiszka <=
- Re: [Qemu-devel] [PATCH v2 39/39] raw-win32: implement native asynchronous I/O, Paolo Bonzini, 2012/11/21
- Re: [Qemu-devel] [PATCH v2 39/39] raw-win32: implement native asynchronous I/O, Jan Kiszka, 2012/11/21
- Re: [Qemu-devel] [PATCH v2 39/39] raw-win32: implement native asynchronous I/O, Paolo Bonzini, 2012/11/21
- Re: [Qemu-devel] [PATCH v2 39/39] raw-win32: implement native asynchronous I/O, Jan Kiszka, 2012/11/21
- Re: [Qemu-devel] [PATCH v2 39/39] raw-win32: implement native asynchronous I/O, Jan Kiszka, 2012/11/22
- Re: [Qemu-devel] [PATCH v2 39/39] raw-win32: implement native asynchronous I/O, Paolo Bonzini, 2012/11/22
- Re: [Qemu-devel] [PATCH v2 39/39] raw-win32: implement native asynchronous I/O, Jan Kiszka, 2012/11/22