From: bjorn.topel@gmail.com
To: linux-riscv@lists.infradead.org, daniel@iogearbox.net,
ast@kernel.org, netdev@vger.kernel.org
Cc: hch@infradead.org, "Björn Töpel" <bjorn.topel@gmail.com>,
palmer@sifive.com
Subject: [PATCH bpf-next 3/3] bpf, doc: add RISC-V to filter.txt
Date: Sun, 3 Feb 2019 12:51:31 +0100 [thread overview]
Message-ID: <20190203115132.8766-4-bjorn.topel@gmail.com> (raw)
In-Reply-To: <20190203115132.8766-1-bjorn.topel@gmail.com>
From: Björn Töpel <bjorn.topel@gmail.com>
Update Documentation/networking/filter.txt to mention RISC-V.
Signed-off-by: Björn Töpel <bjorn.topel@gmail.com>
---
Documentation/networking/filter.txt | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/Documentation/networking/filter.txt b/Documentation/networking/filter.txt
index 01603bc2eff1..b5e060edfc38 100644
--- a/Documentation/networking/filter.txt
+++ b/Documentation/networking/filter.txt
@@ -464,10 +464,11 @@ breakpoints: 0 1
JIT compiler
------------
-The Linux kernel has a built-in BPF JIT compiler for x86_64, SPARC, PowerPC,
-ARM, ARM64, MIPS and s390 and can be enabled through CONFIG_BPF_JIT. The JIT
-compiler is transparently invoked for each attached filter from user space
-or for internal kernel users if it has been previously enabled by root:
+The Linux kernel has a built-in BPF JIT compiler for x86_64, SPARC,
+PowerPC, ARM, ARM64, MIPS, RISC-V and s390 and can be enabled through
+CONFIG_BPF_JIT. The JIT compiler is transparently invoked for each
+attached filter from user space or for internal kernel users if it has
+been previously enabled by root:
echo 1 > /proc/sys/net/core/bpf_jit_enable
@@ -603,9 +604,10 @@ got from bpf_prog_create(), and 'ctx' the given context (e.g.
skb pointer). All constraints and restrictions from bpf_check_classic() apply
before a conversion to the new layout is being done behind the scenes!
-Currently, the classic BPF format is being used for JITing on most 32-bit
-architectures, whereas x86-64, aarch64, s390x, powerpc64, sparc64, arm32 perform
-JIT compilation from eBPF instruction set.
+Currently, the classic BPF format is being used for JITing on most
+32-bit architectures, whereas x86-64, aarch64, s390x, powerpc64,
+sparc64, arm32, riscv (RV64G) perform JIT compilation from eBPF
+instruction set.
Some core changes of the new internal format:
--
2.19.1
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next prev parent reply other threads:[~2019-02-03 11:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-03 11:51 [PATCH bpf-next 0/3] Add RISC-V (RV64G) BPF JIT bjorn.topel
2019-02-03 11:51 ` [PATCH bpf-next 1/3] bpf, riscv: add BPF JIT for RV64G bjorn.topel
2019-02-03 17:08 ` David Miller
2019-02-04 20:06 ` Daniel Borkmann
2019-02-04 20:27 ` Björn Töpel
2019-02-03 11:51 ` [PATCH bpf-next 2/3] MAINTAINERS: add RISC-V BPF JIT maintainer bjorn.topel
2019-02-03 17:08 ` David Miller
2019-02-03 11:51 ` bjorn.topel [this message]
2019-02-03 17:08 ` [PATCH bpf-next 3/3] bpf, doc: add RISC-V to filter.txt David Miller
2019-02-04 20:09 ` Daniel Borkmann
2019-02-04 20:16 ` Björn Töpel
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