From: David Miller <davem@davemloft.net>
To: hpa@linux.intel.com
Cc: dborkman@redhat.com, ast@plumgrid.com, netdev@vger.kernel.org,
hagen@jauu.net, keescook@chromium.org, pmoore@redhat.com,
mingo@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v2 8/9] net: filter: rework/optimize internal BPF interpreter's instruction set
Date: Tue, 25 Mar 2014 20:46:28 -0400 (EDT) [thread overview]
Message-ID: <20140325.204628.1622839093852736075.davem@davemloft.net> (raw)
In-Reply-To: <53321E3B.8080709@linux.intel.com>
From: "H. Peter Anvin" <hpa@linux.intel.com>
Date: Tue, 25 Mar 2014 17:24:27 -0700
> If you allow loops, it greatly increases the expressibility of the
> language, but we would really need another control to limit CPU usage.
We don't want super expressibility.
We want an extremely simple, trivial to validate, filtering language.
next prev parent reply other threads:[~2014-03-26 0:46 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-25 12:10 [PATCH net-next v2 0/9] BPF updates Daniel Borkmann
2014-03-25 12:10 ` [PATCH net-next v2 1/9] net: filter: add jited flag to indicate jit compiled filters Daniel Borkmann
2014-03-25 12:10 ` [PATCH net-next v2 2/9] net: filter: keep original BPF program around Daniel Borkmann
2014-03-25 12:10 ` [PATCH net-next v2 3/9] net: filter: move filter accounting to filter core Daniel Borkmann
2014-03-25 12:10 ` [PATCH net-next v2 4/9] net: ptp: use sk_unattached_filter_create() for BPF Daniel Borkmann
2014-03-25 12:10 ` [PATCH net-next v2 5/9] net: ptp: do not reimplement PTP/BPF classifier Daniel Borkmann
2014-03-25 12:10 ` [PATCH net-next v2 6/9] net: ppp: use sk_unattached_filter api Daniel Borkmann
2014-03-25 12:10 ` [PATCH net-next v2 7/9] net: isdn: " Daniel Borkmann
2014-03-25 23:08 ` David Miller
2014-03-25 12:10 ` [PATCH net-next v2 8/9] net: filter: rework/optimize internal BPF interpreter's instruction set Daniel Borkmann
2014-03-26 0:17 ` David Miller
2014-03-26 0:24 ` H. Peter Anvin
2014-03-26 0:46 ` David Miller [this message]
2014-03-26 1:58 ` Alexei Starovoitov
2014-03-26 16:22 ` David Miller
2014-03-25 12:10 ` [PATCH net-next v2 9/9] doc: filter: extend BPF documentation to document new internals Daniel Borkmann
2014-03-25 15:02 ` [PATCH net-next v2 0/9] BPF updates David Miller
2014-03-25 15:06 ` Daniel Borkmann
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