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authorAlexander Lobakin <aleksander.lobakin@intel.com>2024-03-27 15:22:39 +0100
committerJakub Kicinski <kuba@kernel.org>2024-03-28 18:50:47 -0700
commitca7e324e8ad385a2da15049953c04ea7310687f7 (patch)
treecebfe830c0eabe5ac3d900dba2e78149be16cfe7 /scripts/kernel-doc
parent6e9b01909a811555ff3326cf80a5847169c57806 (diff)
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compiler_types: add Endianness-dependent __counted_by_{le,be}
Some structures contain flexible arrays at the end and the counter for them, but the counter has explicit Endianness and thus __counted_by() can't be used directly. To increase test coverage for potential problems without breaking anything, introduce __counted_by_{le,be}() defined depending on platform's Endianness to either __counted_by() when applicable or noop otherwise. Maybe it would be a good idea to introduce such attributes on compiler level if possible, but for now let's stop on what we have. Acked-by: Kees Cook <keescook@chromium.org> Acked-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Link: https://lore.kernel.org/r/20240327142241.1745989-2-aleksander.lobakin@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'scripts/kernel-doc')
-rwxr-xr-xscripts/kernel-doc1
1 files changed, 1 insertions, 0 deletions
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 967f1abb0edb..1474e95dbe4f 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1143,6 +1143,7 @@ sub dump_struct($$) {
$members =~ s/\s*$attribute/ /gi;
$members =~ s/\s*__aligned\s*\([^;]*\)/ /gos;
$members =~ s/\s*__counted_by\s*\([^;]*\)/ /gos;
+ $members =~ s/\s*__counted_by_(le|be)\s*\([^;]*\)/ /gos;
$members =~ s/\s*__packed\s*/ /gos;
$members =~ s/\s*CRYPTO_MINALIGN_ATTR/ /gos;
$members =~ s/\s*____cacheline_aligned_in_smp/ /gos;