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From: Daniel Borkmann <daniel@iogearbox.net>
To: Paul Burton <paulburton@kernel.org>
Cc: "Paul Chaignon" <paul.chaignon@orange.com>,
	"Björn Töpel" <bjorn.topel@gmail.com>,
	"Mahshid Khezri" <khezri.mahshid@gmail.com>,
	paul.chaignon@gmail.com, bpf@vger.kernel.org,
	netdev@vger.kernel.org, "Alexei Starovoitov" <ast@kernel.org>,
	"Martin KaFai Lau" <kafai@fb.com>,
	"Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>,
	"Andrii Nakryiko" <andriin@fb.com>
Subject: Re: [PATCH bpf 2/2] bpf, mips: limit to 33 tail calls
Date: Thu, 12 Dec 2019 17:19:22 +0100	[thread overview]
Message-ID: <20191212161922.GA1264@localhost.localdomain> (raw)
In-Reply-To: <20191210232316.aastpgbirqp4yaoi@lantea.localdomain>

On Tue, Dec 10, 2019 at 03:23:16PM -0800, Paul Burton wrote:
> On Mon, Dec 09, 2019 at 07:52:52PM +0100, Paul Chaignon wrote:
> > All BPF JIT compilers except RISC-V's and MIPS' enforce a 33-tail calls
> > limit at runtime.  In addition, a test was recently added, in tailcalls2,
> > to check this limit.
> > 
> > This patch updates the tail call limit in MIPS' JIT compiler to allow
> > 33 tail calls.
> > 
> > Fixes: b6bd53f9c4e8 ("MIPS: Add missing file for eBPF JIT.")
> > Reported-by: Mahshid Khezri <khezri.mahshid@gmail.com>
> > Signed-off-by: Paul Chaignon <paul.chaignon@orange.com>
> 
> I'd be happy to take this through mips-fixes, but equally happy for it
> to go through the BPF/net trees in which case:

We took the series via bpf, thanks!

  reply	other threads:[~2019-12-12 16:19 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-09 18:51 [PATCH bpf 0/2] Limit tail calls to 33 in all JIT compilers Paul Chaignon
2019-12-09 18:52 ` [PATCH bpf 1/2] bpf, riscv: limit to 33 tail calls Paul Chaignon
2019-12-09 19:57   ` Björn Töpel
2019-12-09 19:57     ` Björn Töpel
2019-12-10  6:31     ` Björn Töpel
2019-12-10  6:31       ` Björn Töpel
2019-12-10  9:36     ` Paul Chaignon
2019-12-10  9:36       ` Paul Chaignon
2019-12-09 18:52 ` [PATCH bpf 2/2] bpf, mips: " Paul Chaignon
2019-12-10 23:23   ` Paul Burton
2019-12-12 16:19     ` Daniel Borkmann [this message]
2019-12-18  9:32     ` Alexander Lobakin
2019-12-18  9:58       ` Paul Chaignon
2019-12-18 10:02         ` Alexander Lobakin
2019-12-10 18:19 ` [PATCH bpf 0/2] Limit tail calls to 33 in all JIT compilers Martin Lau
2019-12-11 13:00 ` Daniel Borkmann

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