This is a resubmit of the patch from earlier today. I had
forgotten to include all files - apologies.
A.
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From: Anton Ivanov
1. Removes the need to walk the IRQ/Device list to determine
who triggered the IRQ.
2. Improves scalability (up to several times performance
improvement for cases with 10s of devices).
3. Improves UML baseline IO performance for one disk + one NIC
use case by up to 10%.
4. Intr
From: Anton Ivanov
1. Provides infrastructure for vector IO using recvmmsg/sendmmsg.
1.1. Multi-message read.
1.2. Multi-message write.
1.3. Optimized queue support for multi-packet enqueue/dequeue.
1.4. BQL/DQL support.
2. Implements transports for several transports as well support
for direct w
From: Anton Ivanov
1. TSO/GSO support where applicable or available
RX - raw and tapraw
TX - tap only (raw appears to be hitting a bug in the
af_packet family in the kernel resulting in it being
stuck in a -ENOBUFS loop.
This results in TX/RX TCP performance ~ 2-3 times higher
than qemu on same
From: Anton Ivanov
1. TSO/GSO support where applicable or available
RX - raw and tapraw
TX - tap only (raw appears to be hitting a bug in the
af_packet family in the kernel resulting in it being
stuck in a -ENOBUFS loop.
This results in TX/RX TCP performance ~ 2-3 times higher
than qemu on same
From: Anton Ivanov
1. Provides infrastructure for vector IO using recvmmsg/sendmmsg.
1.1. Multi-message read.
1.2. Multi-message write.
1.3. Optimized queue support for multi-packet enqueue/dequeue.
1.4. BQL/DQL support.
2. Implements transports for several transports as well support
for direct w
From: Anton Ivanov
1. Removes the need to walk the IRQ/Device list to determine
who triggered the IRQ.
2. Improves scalability (up to several times performance
improvement for cases with 10s of devices).
3. Improves UML baseline IO performance for one disk + one NIC
use case by up to 10%.
4. Intr
Patches 1 and 2 are the same as before, patch 3 adds TSO, GRO and
full scatter gather support as well as ability to on/off all
features from commandline and/or ethtool where applicable.
The result from patch 3 is 5.6Gbit on tcp throughput using the
tap/raw driver on a 3.5GHz AMD A4 desktop.
I am
Am 22.12.2015 um 22:15 schrieb Mickaël Salaün:
> This series protect the memory mapped file. This apply on v4.4-rc6.
>
> Changes since v4:
> * fix spelling [1/2]
>
> Changes since v3:
> * add Tristan Schmelcher's ack
>
> Changes since v2; addressed Tristan Schmelcher's comment:
> * remove the wh
On 05/05/15 08:00, Thomas Meyer wrote:
>
>> Am 04.05.2015 um 18:22 schrieb Anton Ivanov :
>>
>> Hi Thomas,
> Hi Anton,
>
>> I read it and like it except idle sleep. See my comments inline. I
>> killed that nanosleep quite on purpose :)
> Okay. I think I understand now.
>
>> With what you
> Am 04.05.2015 um 18:22 schrieb Anton Ivanov :
>
> Hi Thomas,
Hi Anton,
>
> I read it and like it except idle sleep. See my comments inline. I
> killed that nanosleep quite on purpose :)
Okay. I think I understand now.
>
> With what you did to the tramp the issue of userspace sta
Hi Thomas,
I read it and like it except idle sleep. See my comments inline. I
killed that nanosleep quite on purpose :)
With what you did to the tramp the issue of userspace stalling
should go away by the way (in theory). I think that it will still show a
very HZ behavior, but IMHO t
Hi Thomas,
I need to read it in detail - this is based on quickly scanning through it.
Based on my "experimental" notes, if you do not have a periodic timer
setup in that part you have commented and marked as FIXME userspace at
some point hangs (at least used to in 2.6.31 to 3.4, I have not tri
Am Samstag, den 02.05.2015, 12:08 +0100 schrieb Anton Ivanov:
> On 02/05/15 10:48, Thomas Meyer wrote:
> > Hi,
> >
> > I did port Anton's v4 patch to v4.1-rc1-56-g3d99e3f and run it the last
> > two days.
> >
> > Original v4 from Anton can be found here:
> > https://sourceforge.net/p/user-mode-linu
On 02/05/15 10:48, Thomas Meyer wrote:
> Hi,
>
> I did port Anton's v4 patch to v4.1-rc1-56-g3d99e3f and run it the last
> two days.
>
> Original v4 from Anton can be found here:
> https://sourceforge.net/p/user-mode-linux/mailman/message/32856805/
>
> Issues addressed in v5 version:
> - Ported
Hi,
I did port Anton's v4 patch to v4.1-rc1-56-g3d99e3f and run it the last
two days.
Original v4 from Anton can be found here:
https://sourceforge.net/p/user-mode-linux/mailman/message/32856805/
Issues addressed in v5 version:
- Ported to v4.1-rc1-56-g3d99e3f
- Replaced IRQF_DISABLED with IRQF
pm_power_off is defined for all architectures. Move it to common code.
Have all architectures call do_kernel_power_off instead of pm_power_off.
Some architectures point pm_power_off to machine_power_off. For those,
call do_kernel_power_off from machine_power_off instead.
Acked-by: David Vrabel
A
Normalize global variables exported by vmlinux.lds to conform usage
guidelines from include/asm-generic/sections.h.
1) Use _text to mark the start of the kernel image including the head
text, and _stext to mark the start of the .text section.
2) Export mandatory global variables __bss_stop.
3) Adj
Prepare for removing num_physpages and simplify mem_init().
Signed-off-by: Jiang Liu
Cc: Jeff Dike
Cc: Richard Weinberger
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: linux-ker...@vger.kernel.org
---
arch/um/kernel/mem.c |4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff
On 01/09/2013 09:58 PM, Dave Kleikamp wrote:
> These are the simple ones.
>
> File systems that use generic_file_aio_read() and generic_file_aio_write()
> can trivially support generic_file_read_iter() and generic_file_write_iter().
>
> This patch adds those file_operations for 9p, adfs, affs, bf
These are the simple ones.
File systems that use generic_file_aio_read() and generic_file_aio_write()
can trivially support generic_file_read_iter() and generic_file_write_iter().
This patch adds those file_operations for 9p, adfs, affs, bfs, exofs, ext2,
ext3, fat, f2fs, hfs, hfsplus, hostfs, hp
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