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Filename Latest commit message Latest commit date
Martin KaFai Lau 3fbfadce60 bpf: Fix test_lru_sanity5() in test_lru_map.c
test_lru_sanity5() fails when the number of online cpus
is fewer than the number of possible cpus.  It can be
reproduced with qemu by using cmd args "--smp cpus=2,maxcpus=8".

The problem is the loop in test_lru_sanity5() is testing
'i' which is incorrect.

This patch:
1. Make sched_next_online() always return -1 if it cannot
   find a next cpu to schedule the process.
2. In test_lru_sanity5(), the parent process does
   sched_setaffinity() first (through sched_next_online())
   and the forked process will inherit it according to
   the 'man sched_setaffinity'.

Fixes: 5db58faf98 ("bpf: Add tests for the LRU bpf_htab")
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-17 15:39:39 -05:00
arch
block
certs
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Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-17 09:33:10 -08:00
drivers vxlan: fix byte order of vxlan-gpe port number 2017-01-17 15:23:43 -05:00
firmware
fs NFS client bugfixes for Linux 4.10 2017-01-16 12:15:59 -08:00
include virtio: don't set VIRTIO_NET_HDR_F_DATA_VALID on xmit 2017-01-17 14:07:31 -05:00
init
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kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-17 09:33:10 -08:00
lib Merge branch 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb 2017-01-17 09:27:50 -08:00
mm
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-17 09:33:10 -08:00
samples
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tools bpf: Fix test_lru_sanity5() in test_lru_map.c 2017-01-17 15:39:39 -05:00
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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.