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Filename Latest commit message Latest commit date
David S. Miller e3bf4c61da sparc64: Fix BPF JIT wrt. branches and ldimm64 instructions.
Like other JITs, sparc64 maintains an array of instruction offsets but
stores the entries off by one.  This is done because jumps to the
exit block are indexed to one past the last BPF instruction.

So if we size the array by the program length, we need to record
the previous instruction in order to stay within the array bounds.

This is explained in ARM JIT commit 8eee539dde ("arm64: bpf: fix
out-of-bounds read in bpf2a64_offset()").

But this scheme requires a little bit of careful handling when
the instruction before the branch destination is a 64-bit load
immediate.  It takes up 2 BPF instruction slots.

Therefore, we have to fill in the array entry for the second
half of the 64-bit load immediate instruction rather than for
the one for the beginning of that instruction.

Fixes: 7a12b5031c ("sparc64: Add eBPF JIT.")
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-01 20:48:36 -07:00
arch sparc64: Fix BPF JIT wrt. branches and ldimm64 instructions. 2017-05-01 20:48:36 -07:00
block blk-mq: fix potential oops with polling and blk-mq scheduler 2017-04-20 14:53:28 -06:00
certs
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-20 10:35:33 -04:00
Documentation switchdev: documentation: fix whitespace issues 2017-05-01 13:52:43 -04:00
drivers net: dsa: mv88e6xxx: add VTU support for 88E6390 2017-05-01 15:03:13 -04:00
firmware
fs Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-26 22:39:08 -04:00
include rhashtable: compact struct rhashtable_params 2017-05-01 16:22:40 -04:00
init mm: move mm_percpu_wq initialization earlier 2017-03-31 17:13:30 -07:00
ipc
kernel bpf: enhance verifier to understand stack pointer arithmetic 2017-05-01 11:40:23 -04:00
lib rhashtable: compact struct rhashtable_params 2017-05-01 16:22:40 -04:00
mm mm: prevent NR_ISOLATE_* stats from going negative 2017-04-20 15:30:18 -07:00
net ipv6: Need to export ipv6_push_frag_opts for tunneling now. 2017-05-01 15:10:20 -04:00
samples samples/bpf: fix XDP_FLAGS_SKB_MODE detach for xdp_tx_iptunnel 2017-05-01 10:42:37 -04:00
scripts Kbuild fixes for v4.11 2017-04-05 08:37:28 -07:00
security Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-21 20:23:53 -07:00
sound ASoC: Fixes for v4.11 2017-04-25 17:43:56 +02:00
tools bpf: Include bpf_endian.h in test_progs.c too. 2017-05-01 12:58:21 -07:00
usr
virt KVM/ARM Fixes for v4.11-rc6 2017-04-05 16:27:47 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: add Martin Kepplinger's email 2017-04-13 18:24:21 -07:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS VSOCK: Add vsockmon device 2017-04-24 12:35:56 -04:00
Makefile Linux 4.11-rc8 2017-04-23 16:53:00 -07:00
README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.