<feed xmlns='http://www.w3.org/2005/Atom'>
<title>user/sven/linux.git/tools/include/uapi/asm, branch v4.19.194</title>
<subtitle>Linux Kernel
</subtitle>
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<updated>2019-10-05T11:09:45Z</updated>
<entry>
<title>tools headers: Fixup bitsperlong per arch includes</title>
<updated>2019-10-05T11:09:45Z</updated>
<author>
<name>Arnaldo Carvalho de Melo</name>
<email>acme@redhat.com</email>
</author>
<published>2019-08-20T14:45:17Z</published>
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<id>urn:sha1:5466c30b11cb66069828e21115fc4053f7c2c4dc</id>
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[ Upstream commit 42fc2e9ef9603a7948aaa4ffd8dfb94b30294ad8 ]

We were getting the file by luck, from one of the paths in -I, fix it to
get it from the proper place:

  $ cd tools/include/uapi/asm/
  [acme@quaco asm]$ grep include bitsperlong.h
  #include "../../arch/x86/include/uapi/asm/bitsperlong.h"
  #include "../../arch/arm64/include/uapi/asm/bitsperlong.h"
  #include "../../arch/powerpc/include/uapi/asm/bitsperlong.h"
  #include "../../arch/s390/include/uapi/asm/bitsperlong.h"
  #include "../../arch/sparc/include/uapi/asm/bitsperlong.h"
  #include "../../arch/mips/include/uapi/asm/bitsperlong.h"
  #include "../../arch/ia64/include/uapi/asm/bitsperlong.h"
  #include "../../arch/riscv/include/uapi/asm/bitsperlong.h"
  #include "../../arch/alpha/include/uapi/asm/bitsperlong.h"
  #include &lt;asm-generic/bitsperlong.h&gt;
  $ ls -la ../../arch/x86/include/uapi/asm/bitsperlong.h
  ls: cannot access '../../arch/x86/include/uapi/asm/bitsperlong.h': No such file or directory
  $ ls -la ../../../arch/*/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 237 ../../../arch/alpha/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 841 ../../../arch/arm64/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 966 ../../../arch/hexagon/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 234 ../../../arch/ia64/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 100 ../../../arch/microblaze/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 244 ../../../arch/mips/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 352 ../../../arch/parisc/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 312 ../../../arch/powerpc/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 353 ../../../arch/riscv/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 292 ../../../arch/s390/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 323 ../../../arch/sparc/include/uapi/asm/bitsperlong.h
  -rw-rw-r--. 1 320 ../../../arch/x86/include/uapi/asm/bitsperlong.h
  $

Found while fixing some other problem, before it was escaping the
tools/ chroot and using stuff in the kernel sources:

    CC       /tmp/build/perf/util/find_bit.o
In file included from /git/linux/tools/include/../../arch/x86/include/uapi/asm/bitsperlong.h:11,
                 from /git/linux/tools/include/uapi/asm/bitsperlong.h:3,
                 from /git/linux/tools/include/linux/bits.h:6,
                 from /git/linux/tools/include/linux/bitops.h:13,
                 from ../lib/find_bit.c:17:

  # cd /git/linux/tools/include/../../arch/x86/include/uapi/asm/
  # pwd
  /git/linux/arch/x86/include/uapi/asm
  #

Now it is getting the one we want it to, i.e. the one inside tools/:

    CC       /tmp/build/perf/util/find_bit.o
  In file included from /git/linux/tools/arch/x86/include/uapi/asm/bitsperlong.h:11,
                   from /git/linux/tools/include/linux/bits.h:6,
                   from /git/linux/tools/include/linux/bitops.h:13,

Cc: Adrian Hunter &lt;adrian.hunter@intel.com&gt;
Cc: Jiri Olsa &lt;jolsa@kernel.org&gt;
Cc: Namhyung Kim &lt;namhyung@kernel.org&gt;
Link: https://lkml.kernel.org/n/tip-8f8cfqywmf6jk8a3ucr0ixhu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
</entry>
<entry>
<title>tools uapi: fix Alpha support</title>
<updated>2019-02-20T09:25:45Z</updated>
<author>
<name>Bob Tracy</name>
<email>rct@frus.com</email>
</author>
<published>2019-01-22T05:09:14Z</published>
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<id>urn:sha1:22d6e72bb566880b37058587f504a7884ea4192f</id>
<content type='text'>
commit 842fc0f5dc5c9f9bd91f891554996d903c40cf35 upstream.

Cc: stable@vger.kernel.org # v4.18+
Signed-off-by: Bob Tracy &lt;rct@frus.com&gt;
Signed-off-by: Matt Turner &lt;mattst88@gmail.com&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;

</content>
</entry>
<entry>
<title>tools uapi: fix RISC-V 64-bit support</title>
<updated>2019-02-20T09:25:39Z</updated>
<author>
<name>Aurelien Jarno</name>
<email>aurelien@aurel32.net</email>
</author>
<published>2018-12-25T14:46:24Z</published>
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<id>urn:sha1:da78c8cda5b90df90830a67b5214e8e5ecfcfe11</id>
<content type='text'>
[ Upstream commit d0df00e30e4bf9bc27ddbd092ad683ff6121b360 ]

The BPF library is not built on 64-bit RISC-V, as the BPF feature is
not detected. Looking more in details, feature/test-bpf.c fails to build
with the following error:

| In file included from /tmp/linux-4.19.12/tools/include/uapi/asm/bitsperlong.h:17,
|                  from /tmp/linux-4.19.12/tools/include/uapi/asm-generic/unistd.h:2,
|                  from /usr/include/riscv64-linux-gnu/asm/unistd.h:1,
|                  from test-bpf.c:2:
| /tmp/linux-4.19.12/tools/include/asm-generic/bitsperlong.h:14:2: error: #error Inconsistent word size. Check asm/bitsperlong.h
|  #error Inconsistent word size. Check asm/bitsperlong.h
|   ^~~~~

The UAPI from the tools directory is missing RISC-V support, therefore
bitsperlong.h from asm-generic is used, defaulting to 32 bits.

Fix that by adding tools/arch/riscv/include/uapi/asm/bitsperlong.h as
a copy of arch/riscv/include/uapi/asm/bitsperlong.h and by updating
tools/include/uapi/asm/bitsperlong.h.

Signed-off-by: Aurelien Jarno &lt;aurelien@aurel32.net&gt;
Signed-off-by: Palmer Dabbelt &lt;palmer@sifive.com&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
</entry>
<entry>
<title>selftests/bpf: add architecture-agnostic headers</title>
<updated>2018-05-09T22:40:58Z</updated>
<author>
<name>Sirio Balmelli</name>
<email>sirio@b-ad.ch</email>
</author>
<published>2018-05-08T13:36:12Z</published>
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<id>urn:sha1:cd65cd95128781ca59d06611270fcbd9b4a7cf8d</id>
<content type='text'>
The BPF selftests fail to build with missing headers
'asm/bitsperlong.h' and 'asm/errno.h'.

These already exist in 'tools/arch/[arch]/include';
add architecture-agnostic header files in 'tools/include/uapi'
to reference them.

Signed-off-by: Sirio Balmelli &lt;sirio@b-ad.ch&gt;
Signed-off-by: Daniel Borkmann &lt;daniel@iogearbox.net&gt;
</content>
</entry>
<entry>
<title>bpf: fix broken BPF selftest build</title>
<updated>2017-12-12T17:51:12Z</updated>
<author>
<name>Daniel Borkmann</name>
<email>daniel@iogearbox.net</email>
</author>
<published>2017-12-12T01:25:32Z</published>
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<id>urn:sha1:720f228e8d3128b7ab1d39f51fdd8da07a7640c9</id>
<content type='text'>
At least on x86_64, the kernel's BPF selftests seemed to have stopped
to build due to 618e165b2a8e ("selftests/bpf: sync kernel headers and
introduce arch support in Makefile"):

  [...]
  In file included from test_verifier.c:29:0:
  ../../../include/uapi/linux/bpf_perf_event.h:11:32:
     fatal error: asm/bpf_perf_event.h: No such file or directory
   #include &lt;asm/bpf_perf_event.h&gt;
                                ^
  compilation terminated.
  [...]

While pulling in tools/arch/*/include/uapi/asm/bpf_perf_event.h seems
to work fine, there's no automated fall-back logic right now that would
do the same out of tools/include/uapi/asm-generic/bpf_perf_event.h. The
usual convention today is to add a include/[uapi/]asm/ equivalent that
would pull in the correct arch header or generic one as fall-back, all
ifdef'ed based on compiler target definition. It's similarly done also
in other cases such as tools/include/asm/barrier.h, thus adapt the same
here.

Fixes: 618e165b2a8e ("selftests/bpf: sync kernel headers and introduce arch support in Makefile")
Signed-off-by: Daniel Borkmann &lt;daniel@iogearbox.net&gt;
Cc: Hendrik Brueckner &lt;brueckner@linux.vnet.ibm.com&gt;
Cc: Arnaldo Carvalho de Melo &lt;acme@kernel.org&gt;
Acked-by: Alexei Starovoitov &lt;ast@kernel.org&gt;
Signed-off-by: Alexei Starovoitov &lt;ast@kernel.org&gt;
</content>
</entry>
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