On 16/08/2019 09:15, Shaokun Zhang wrote:
Hi Will,
On 2019/8/16 0:46, Will Deacon wrote:
On Thu, May 16, 2019 at 11:14:35AM +0800, Zhangshaokun wrote:
On 2019/5/15 17:47, Will Deacon wrote:
On Mon, Apr 15, 2019 at 07:18:22PM +0100, Robin Murphy wrote:
On 12/04/2019 10:52, Will Deacon wrote:
Hi Will,
On 2019/8/16 0:46, Will Deacon wrote:
> On Thu, May 16, 2019 at 11:14:35AM +0800, Zhangshaokun wrote:
>> On 2019/5/15 17:47, Will Deacon wrote:
>>> On Mon, Apr 15, 2019 at 07:18:22PM +0100, Robin Murphy wrote:
On 12/04/2019 10:52, Will Deacon wrote:
> I'm waiting for Robin to com
On Thu, May 16, 2019 at 11:14:35AM +0800, Zhangshaokun wrote:
> On 2019/5/15 17:47, Will Deacon wrote:
> > On Mon, Apr 15, 2019 at 07:18:22PM +0100, Robin Murphy wrote:
> >> On 12/04/2019 10:52, Will Deacon wrote:
> >>> I'm waiting for Robin to come back with numbers for a C implementation.
> >>>
>
Hi Will,
On 2019/5/15 17:47, Will Deacon wrote:
> On Mon, Apr 15, 2019 at 07:18:22PM +0100, Robin Murphy wrote:
>> On 12/04/2019 10:52, Will Deacon wrote:
>>> I'm waiting for Robin to come back with numbers for a C implementation.
>>>
>>> Robin -- did you get anywhere with that?
>>
>> Still not wh
lists.infradead.org;
> >> netdev@vger.kernel.org;
> >> ilias.apalodi...@linaro.org; huanglingyan (A); steve.cap...@arm.com
> >> Subject: Re: [PATCH] arm64: do_csum: implement accelerated scalar version
> >>
> >> On 15/05/2019 11:15, David Laight wro
ubject: Re: [PATCH] arm64: do_csum: implement accelerated scalar version
On 15/05/2019 11:15, David Laight wrote:
...
ptr = (u64 *)(buff - offset);
shift = offset * 8;
/*
* Head: zero out any excess leading bytes. Shifting back by the same
* amount should b
On 15/05/2019 10:47, Will Deacon wrote:
On Mon, Apr 15, 2019 at 07:18:22PM +0100, Robin Murphy wrote:
On 12/04/2019 10:52, Will Deacon wrote:
I'm waiting for Robin to come back with numbers for a C implementation.
Robin -- did you get anywhere with that?
Still not what I would call finished,
From: Robin Murphy
> Sent: 15 May 2019 11:58
> To: David Laight; 'Will Deacon'
> Cc: Zhangshaokun; Ard Biesheuvel; linux-arm-ker...@lists.infradead.org;
> netdev@vger.kernel.org;
> ilias.apalodi...@linaro.org; huanglingyan (A); steve.cap...@arm.com
> Subject: Re: [PATC
On 15/05/2019 11:15, David Laight wrote:
...
ptr = (u64 *)(buff - offset);
shift = offset * 8;
/*
* Head: zero out any excess leading bytes. Shifting back by the same
* amount should be at least as fast as any other way of handling the
* odd/ev
...
> > ptr = (u64 *)(buff - offset);
> > shift = offset * 8;
> >
> > /*
> > * Head: zero out any excess leading bytes. Shifting back by the same
> > * amount should be at least as fast as any other way of handling the
> > * odd/even alignment, and means we can ignore it
On Mon, Apr 15, 2019 at 07:18:22PM +0100, Robin Murphy wrote:
> On 12/04/2019 10:52, Will Deacon wrote:
> > I'm waiting for Robin to come back with numbers for a C implementation.
> >
> > Robin -- did you get anywhere with that?
>
> Still not what I would call finished, but where I've got so far
On 12/04/2019 10:52, Will Deacon wrote:
On Fri, Apr 12, 2019 at 10:31:16AM +0800, Zhangshaokun wrote:
On 2019/2/19 7:08, Ard Biesheuvel wrote:
It turns out that the IP checksumming code is still exercised often,
even though one might expect that modern NICs with checksum offload
have no use for
On Fri, Apr 12, 2019 at 10:31:16AM +0800, Zhangshaokun wrote:
> On 2019/2/19 7:08, Ard Biesheuvel wrote:
> > It turns out that the IP checksumming code is still exercised often,
> > even though one might expect that modern NICs with checksum offload
> > have no use for it. However, as Lingyan point
Hi maintainers and Ard,
Any update on it?
Thanks,
Shaokun
On 2019/2/19 7:08, Ard Biesheuvel wrote:
> It turns out that the IP checksumming code is still exercised often,
> even though one might expect that modern NICs with checksum offload
> have no use for it. However, as Lingyan points out, th
On Thu, 28 Feb 2019 at 16:14, Robin Murphy wrote:
>
> Hi Ard,
>
> On 28/02/2019 14:16, Ard Biesheuvel wrote:
> > (+ Catalin)
> >
> > On Tue, 19 Feb 2019 at 16:08, Ilias Apalodimas
> > wrote:
> >>
> >> On Tue, Feb 19, 2019 at 12:08:42AM +0100, Ard Biesheuvel wrote:
> >>> It turns out that the IP c
Hi Ard,
On 28/02/2019 14:16, Ard Biesheuvel wrote:
(+ Catalin)
On Tue, 19 Feb 2019 at 16:08, Ilias Apalodimas
wrote:
On Tue, Feb 19, 2019 at 12:08:42AM +0100, Ard Biesheuvel wrote:
It turns out that the IP checksumming code is still exercised often,
even though one might expect that modern
(+ Catalin)
On Tue, 19 Feb 2019 at 16:08, Ilias Apalodimas
wrote:
>
> On Tue, Feb 19, 2019 at 12:08:42AM +0100, Ard Biesheuvel wrote:
> > It turns out that the IP checksumming code is still exercised often,
> > even though one might expect that modern NICs with checksum offload
> > have no use fo
On Tue, Feb 19, 2019 at 12:08:42AM +0100, Ard Biesheuvel wrote:
> It turns out that the IP checksumming code is still exercised often,
> even though one might expect that modern NICs with checksum offload
> have no use for it. However, as Lingyan points out, there are
> combinations of features whe
It turns out that the IP checksumming code is still exercised often,
even though one might expect that modern NICs with checksum offload
have no use for it. However, as Lingyan points out, there are
combinations of features where the network stack may still fall back
to software checksumming, and s
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