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Andrii Nakryiko e55d54f43d libbpf: fix check for presence of associated BTF for map creation
Kernel internally checks that either key or value type ID is specified,
before using btf_fd. Do the same in libbpf's map creation code for
determining when to retry map creation w/o BTF.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: fba01a0689 ("libbpf: use negative fd to specify missing BTF")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-06-15 01:14:08 +02:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-05-31 21:21:18 -07:00
block
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Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-05-31 21:21:18 -07:00
drivers Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-05-31 21:21:18 -07:00
fs for-5.2-rc2-tag 2019-05-30 20:52:40 -07:00
include bpf: Allow bpf_map_lookup_elem() on an xskmap 2019-06-10 23:31:26 -07:00
init
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kernel bpf: silence warning messages in core 2019-06-12 16:51:02 +02:00
lib The Sphinx 2.0 release contained a few incompatible API changes that broke 2019-05-29 14:36:41 -07:00
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net bpf: Allow bpf_map_lookup_elem() on an xskmap 2019-06-10 23:31:26 -07:00
samples samples/bpf: fix include path in Makefile 2019-06-15 01:14:06 +02:00
scripts The Sphinx 2.0 release contained a few incompatible API changes that broke 2019-05-29 14:36:41 -07:00
security Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-31 10:49:43 -07:00
sound sound fixes for 5.2-rc3 2019-05-30 19:58:59 -07:00
tools libbpf: fix check for presence of associated BTF for map creation 2019-06-15 01:14:08 +02:00
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virt The usual smattering of fixes and tunings that came in too late for the 2019-05-26 13:45:15 -07:00
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MAINTAINERS The usual smattering of fixes and tunings that came in too late for the 2019-05-26 13:45:15 -07:00
Makefile Linux 5.2-rc2 2019-05-26 16:49:19 -07:00
README

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

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.