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20cdeb5408
There is a warning when compiling bpf sample programs in sample/bpf:
make -C /home/foo/bpf/samples/bpf/../../tools/lib/bpf/ RM='rm -rf' LDFLAGS= srctree=/home/foo/bpf/samples/bpf/../../ O=
HOSTCC /home/foo/bpf/samples/bpf/tracex3_user.o
/home/foo/bpf/samples/bpf/tracex3_user.c:20:0: warning: "ARRAY_SIZE" redefined
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
In file included from /home/foo/bpf/samples/bpf/tracex3_user.c:18:0:
./tools/testing/selftests/bpf/bpf_util.h:48:0: note: this is the location of the previous definition
# define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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| 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.
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.