From: David Miller <davem@davemloft.net>
To: daniel@iogearbox.net
Cc: ast@fb.com, holzheu@linux.vnet.ibm.com,
naveen.n.rao@linux.vnet.ibm.com, jakub.kicinski@netronome.com,
netdev@vger.kernel.org
Subject: Re: [PATCH net-next v2 0/9] Add BPF_J{LT,LE,SLT,SLE} instructions
Date: Wed, 09 Aug 2017 16:55:40 -0700 (PDT) [thread overview]
Message-ID: <20170809.165540.1340440496413342704.davem@davemloft.net> (raw)
In-Reply-To: <cover.1502320623.git.daniel@iogearbox.net>
From: Daniel Borkmann <daniel@iogearbox.net>
Date: Thu, 10 Aug 2017 01:39:54 +0200
> This set adds BPF_J{LT,LE,SLT,SLE} instructions to the BPF
> insn set, interpreter, JIT hardening code and all JITs are
> also updated to support the new instructions. Basic idea is
> to reduce register pressure by avoiding BPF_J{GT,GE,SGT,SGE}
> rewrites. Removing the workaround for the rewrites in LLVM,
> this can result in shorter BPF programs, less stack usage
> and less verification complexity. First patch provides some
> more details on rationale and integration.
>
> Thanks a lot!
>
> v1 -> v2:
> - Reworded commit msg in patch 1
Ok this looks a lot better.
Thanks for taking care of all of the JITs as well.
Series applied.
prev parent reply other threads:[~2017-08-09 23:55 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-09 23:39 [PATCH net-next v2 0/9] Add BPF_J{LT,LE,SLT,SLE} instructions Daniel Borkmann
2017-08-09 23:39 ` [PATCH net-next v2 1/9] bpf: add " Daniel Borkmann
2017-08-09 23:39 ` [PATCH net-next v2 2/9] bpf, x86: implement jiting of BPF_J{LT,LE,SLT,SLE} Daniel Borkmann
2017-08-09 23:39 ` [PATCH net-next v2 3/9] bpf, arm64: " Daniel Borkmann
2017-08-09 23:39 ` [PATCH net-next v2 4/9] bpf, sparc64: implement jiting of BPF_J{LT, LE, SLT, SLE} Daniel Borkmann
2017-08-09 23:39 ` [PATCH net-next v2 5/9] bpf, s390x: implement jiting of BPF_J{LT,LE,SLT,SLE} Daniel Borkmann
2017-08-09 23:40 ` [PATCH net-next v2 6/9] bpf, ppc64: " Daniel Borkmann
2017-08-09 23:40 ` [PATCH net-next v2 7/9] bpf, nfp: implement jiting of BPF_J{LT,LE} Daniel Borkmann
2017-08-09 23:40 ` [PATCH net-next v2 8/9] bpf: enable BPF_J{LT,LE,SLT,SLE} opcodes in verifier Daniel Borkmann
2017-08-09 23:40 ` [PATCH net-next v2 9/9] bpf: add test cases for new BPF_J{LT, LE, SLT, SLE} instructions Daniel Borkmann
2017-08-09 23:55 ` David Miller [this message]
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