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Date: Wed, 23 Jul 2014 11:32:19 +0100 From: Catalin Marinas <catalin.marinas@....com> To: Alexei Starovoitov <ast@...mgrid.com> Cc: Will Deacon <Will.Deacon@....com>, Zi Shen Lim <zlim.lnx@...il.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 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 implements eBPF JIT compiler for arm64. > >> Please see [14/14] for change log. > >> > >> Patches [1-13/14] implement code generation functions. > >> Patch [14/14] implements the actual eBPF JIT compiler. > >> > >> Many thanks to everyone who's reviewed the code from > >> RFCv1->RFCv3, especially Alexei for BPF bits, and Will > >> for ARM64 codegen bits :) > >> > >> BTW, I'm happy to maintain arch/arm64/net (i.e. arm64 BPF bits). > >> Should I add a patch updating MAINTAINERS as Patch 15? > > > > I don't think that's necessary at the moment, but if we start seeing an > > influx of patches to arch/arm64/net, then that could make sense in the > > future. > > > >> This series requires a patch that exports a function > >> from net/core (resulting from RFCv1 discussion). This patch > >> has been merged into net-next @ 9f12fbe603f7 > >> ("net: filter: move load_pointer() into filter.h"). > >> > >> 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). -- Catalin -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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