linux-kernel - Re: [PATCH 00/14] arm64: eBPF JIT compiler

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Message-ID: <CABg9mcsE9J_whihpwZjvU-qYt6RFOAj8inQwQzjgZ6EivUVZSw@mail.gmail.com>
Date:	Tue, 26 Aug 2014 19:02:48 -0700
From:	Z Lim <zlim.lnx@...il.com>
To:	Will Deacon <will.deacon@....com>
Cc:	Catalin Marinas <Catalin.Marinas@....com>,
	Alexei Starovoitov <ast@...mgrid.com>,
	Jiang Liu <liuj97@...il.com>,
	AKASHI Takahiro <takahiro.akashi@...aro.org>,
	"David S. Miller" <davem@...emloft.net>,
	Daniel Borkmann <dborkman@...hat.com>,
	Chema Gonzalez <chema@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH 00/14] arm64: eBPF JIT compiler

Hi Will,

On Tue, Aug 26, 2014 at 2:58 AM, Will Deacon <will.deacon@....com> wrote:
> Hi Z Lim,
>
> On Thu, Jul 24, 2014 at 05:55:36AM +0100, Z Lim wrote:
>> On Wed, Jul 23, 2014 at 3:32 AM, Catalin Marinas
>> <catalin.marinas@....com> wrote:
>> > On Mon, Jul 21, 2014 at 04:49:29PM +0100, Alexei Starovoitov wrote:
>> >> On Mon, Jul 21, 2014 at 2:16 AM, Will Deacon <will.deacon@....com> wrote:
>> >> > On Fri, Jul 18, 2014 at 07:28:06PM +0100, Zi Shen Lim wrote:
>> [...]
>> >> >> This series applies against net-next and is tested working
>> >> >> with lib/test_bpf on ARMv8 Foundation Model.
>> >> >
>> >> > Looks like it works on my Juno board too, so:
>> >> >
>> >> >   Acked-by: Will Deacon <will.deacon@....com>
>> >> >
>> >> > for the series.
>> >> >
>> >> > It's a bit late for 3.17 now, so I guess we'll queue this for 3.18 (which
>> >> > also means the dependency on -next isn't an issue). Perhaps you could repost
>> >> > around -rc3?
>> >>
>> >> Thanks for testing! Nice to see it working on real hw.
>> >> I'm not sure why you're proposing a 4+ week delay. The patches
>> >> will rot instead of getting used and tested. Imo it makes sense to
>> >> get them into net-next now for 3.17.
>> >> JIT is disabled by sysctl by default anyway.
>> >
>> > We normally like some patches (especially new functionality) to sit in
>> > linux-next for a while before the mering window (ideally starting with
>> > -rc4 or -rc5). We are at -rc6 already, so getting close to the 3.17
>> > merging window.
>> >
>> > Another aspect is that the arm64/bpf branch depends on the net tree, so
>> > it can't easily go in via the arm64 tree for 3.17 (3.18 would not be a
>> > problem).
>>
>> Hi Catalin, I take it you prefer this series going through arm64 tree,
>> targeting 3.18, is that right?
>>
>> I understand your preference to have it sitting in linux-next for a
>> longer period for arm64 material, I'll repost this again after 3.17 so
>> it gets more exposure in linux-next.
>
> Any chance you could post a new version of this, based on a 3.17 -rc,
> please? Whilst your current patches apply, I get a bunch of errors if I try
> to build them.

Sure. I just rebased onto -rc2 and fixed up as necessary due to
changes introduced in net.
I'll post a v2 shortly.

Thanks for the reminder :)

z

>
> Cheers,
>
> Will
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