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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-11-09 16:34:09 -0300 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2023-11-22 12:23:27 -0800 |
| commit | 57686a72da08ae555d93148aa8756b16417a6aff (patch) | |
| tree | f7f0bc9025b770448de79e84cff4045421170555 /tools/include | |
| parent | a29ee6aea7030786a63fde0d6d83a8f477b060fb (diff) | |
| download | linux-57686a72da08ae555d93148aa8756b16417a6aff.tar.gz | |
tools: Disable __packed attribute compiler warning due to -Werror=attributes
Noticed on several perf tools cross build test containers:
[perfbuilder@five ~]$ grep FAIL ~/dm.log/summary
19 10.18 debian:experimental-x-mips : FAIL gcc version 12.3.0 (Debian 12.3.0-6)
20 11.21 debian:experimental-x-mips64 : FAIL gcc version 12.3.0 (Debian 12.3.0-6)
21 11.30 debian:experimental-x-mipsel : FAIL gcc version 12.3.0 (Debian 12.3.0-6)
37 12.07 ubuntu:18.04-x-arm : FAIL gcc version 7.5.0 (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04)
42 11.91 ubuntu:18.04-x-riscv64 : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
44 13.17 ubuntu:18.04-x-sh4 : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
45 12.09 ubuntu:18.04-x-sparc64 : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
[perfbuilder@five ~]$
In file included from util/intel-pt-decoder/intel-pt-pkt-decoder.c:10:
/tmp/perf-6.6.0-rc1/tools/include/asm-generic/unaligned.h: In function 'get_unaligned_le16':
/tmp/perf-6.6.0-rc1/tools/include/asm-generic/unaligned.h:13:29: error: packed attribute causes inefficient alignment for 'x' [-Werror=attributes]
13 | const struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); \
| ^
/tmp/perf-6.6.0-rc1/tools/include/asm-generic/unaligned.h:27:28: note: in expansion of macro '__get_unaligned_t'
27 | return le16_to_cpu(__get_unaligned_t(__le16, p));
| ^~~~~~~~~~~~~~~~~
This comes from the kernel, where the -Wattributes and -Wpacked isn't
used, -Wpacked is already disabled, do it for the attributes as well.
Fixes: a91c987254651443 ("perf tools: Add get_unaligned_leNN()")
Suggested-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/7c5b626c-1de9-4c12-a781-e44985b4a797@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/asm-generic/unaligned.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/include/asm-generic/unaligned.h b/tools/include/asm-generic/unaligned.h index 156743d399aed..2fd551915c202 100644 --- a/tools/include/asm-generic/unaligned.h +++ b/tools/include/asm-generic/unaligned.h @@ -8,6 +8,7 @@ */ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wpacked" +#pragma GCC diagnostic ignored "-Wattributes" #define __get_unaligned_t(type, ptr) ({ \ const struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); \ |