[Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and int

qemu-devel

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and int

From:	Avi Kivity
Subject:	[Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer().
Date:	Fri, 23 Apr 2010 12:53:52 +0300
User-agent:	Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Thunderbird/3.0.4

On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:

Currently buf size is fixed at 32KB.  It would be useful if it could
be flexible.

Why is this needed? The real buffering is in the kernel anyways; thisis only used to reduce the number of write() syscalls.


--
Do not meddle in the internals of kernels, for they are subtle and quick to 
panic.

[Prev in Thread]

Current Thread

[Next in Thread]

[Qemu-devel] Re: [RFC PATCH 01/20] Modify DIRTY_FLAG value and introduce DIRTY_IDX to use as indexes of bit-based phys_ram_dirty., (continued)
- [Qemu-devel] [RFC PATCH 10/20] Introduce skip_header parameter to qemu_loadvm_state() so that it can be called iteratively without reading the header., Yoshiaki Tamura, 2010/04/21
  - [Qemu-devel] Re: [RFC PATCH 10/20] Introduce skip_header parameter to qemu_loadvm_state() so that it can be called iteratively without reading the header., Anthony Liguori, 2010/04/22
    - [Qemu-devel] Re: [RFC PATCH 10/20] Introduce skip_header parameter to qemu_loadvm_state() so that it can be called iteratively without reading the header., Yoshiaki Tamura, 2010/04/23
- [Qemu-devel] [RFC PATCH 19/20] Insert do_event_tap() to virtio-{blk, net}, comment out assert() on cpu_single_env temporally., Yoshiaki Tamura, 2010/04/21
  - [Qemu-devel] Re: [RFC PATCH 19/20] Insert do_event_tap() to virtio-{blk, net}, comment out assert() on cpu_single_env temporally., Anthony Liguori, 2010/04/22
    - [Qemu-devel] Re: [RFC PATCH 19/20] Insert do_event_tap() to virtio-{blk, net}, comment out assert() on cpu_single_env temporally., Yoshiaki Tamura, 2010/04/23
- [Qemu-devel] [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., Yoshiaki Tamura, 2010/04/21
  - [Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., Stefan Hajnoczi, 2010/04/21
    - [Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., Yoshiaki Tamura, 2010/04/21
  - [Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., Avi Kivity <=
    - [Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., Yoshiaki Tamura, 2010/04/23
    - [Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., Avi Kivity, 2010/04/23
    - [Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., Yoshiaki Tamura, 2010/04/26
    - [Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., Anthony Liguori, 2010/04/23
- [Qemu-devel] [RFC PATCH 08/20] Introduce RAMSaveIO and use cpu_physical_memory_get_dirty_range() to check multiple dirty pages., Yoshiaki Tamura, 2010/04/21
  - [Qemu-devel] Re: [RFC PATCH 08/20] Introduce RAMSaveIO and use cpu_physical_memory_get_dirty_range() to check multiple dirty pages., Anthony Liguori, 2010/04/22
- [Qemu-devel] [RFC PATCH 07/20] Introduce qemu_put_vector() and qemu_put_vector_prepare() to use put_vector() in QEMUFile., Yoshiaki Tamura, 2010/04/21
  - [Qemu-devel] Re: [RFC PATCH 07/20] Introduce qemu_put_vector() and qemu_put_vector_prepare() to use put_vector() in QEMUFile., Anthony Liguori, 2010/04/22
    - [Qemu-devel] Re: [RFC PATCH 07/20] Introduce qemu_put_vector() and qemu_put_vector_prepare() to use put_vector() in QEMUFile., Yoshiaki Tamura, 2010/04/23
    - [Qemu-devel] Re: [RFC PATCH 07/20] Introduce qemu_put_vector() and qemu_put_vector_prepare() to use put_vector() in QEMUFile., Anthony Liguori, 2010/04/23

Prev by Date: [Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer().
Next by Date: [Qemu-devel] Linux Plumbers Conference 2010 - call for tracks
Previous by thread: [Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer().
Next by thread: [Qemu-devel] Re: [RFC PATCH 04/20] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer().
Index(es):
- Date
- Thread