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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7d2517fa678sm705822685a.22.2025.06.10.08.12.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Jun 2025 08:12:02 -0700 (PDT) From: Stephen Hemminger <stephen@networkplumber.org> To: dev@dpdk.org Cc: Stephen Hemminger <stephen@networkplumber.org> Subject: [PATCH 1/2] devtools/linux-uapi: conform to kernel headers install Date: Tue, 10 Jun 2025 08:11:20 -0700 Message-ID: <20250610151158.209572-2-stephen@networkplumber.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250610151158.209572-1-stephen@networkplumber.org> References: <20250610151158.209572-1-stephen@networkplumber.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org The Linux kernel has an existing script to sanitize headers which uses more steps to clean up the header file. Make the DPDK header import script use the same regular expression. The kernel script is GPL-2.0 so ok. Not necessary for current vduse.h header only but useful if more headers are added later. Want the distro and DPDK header to be exact match. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> --- devtools/linux-uapi.sh | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/devtools/linux-uapi.sh b/devtools/linux-uapi.sh index ccd8b6816e..e739bdb1f4 100755 --- a/devtools/linux-uapi.sh +++ b/devtools/linux-uapi.sh @@ -79,9 +79,21 @@ import_header() fixup_includes() { local path=$1 + local tmpfile=$path.tmp - sed -i "s|^#include <linux/compiler.h>||g" $path - sed -i "s|\<__user[[:space:]]||" $path + # script to sanitize see kernel script + # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/scripts/headers_install.sh + + sed -E -e ' + s/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g + s/__attribute_const__([[:space:]]|$)/\1/g + s@^#include <linux/compiler(|_types).h>@@ + s/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g + s/(^|[[:space:](])(inline|asm|volatile)([[:space:](]|$)/\1__\2__\3/g + s@#(ifndef|define|endif[[:space:]]*/[*])[[:space:]]*_UAPI@#\1 @' $path >$tmpfile + + unifdef -U__KERNEL__ -D__EXPORTED_HEADERS $tmpfile >$path + rm $tmpfile # Prepend include path with "uapi/" if the header is imported for include in $(sed -ne 's/^#include <\(.*\)>$/\1/p' $path); do -- 2.47.2