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Sun, 27 Sep 2026 08:41:27 -0700 (PDT) Received: from voyt-laptop-dell.fritz.box ([2001:9e8:bd4a:1d00:5bb0:3aaa:2b21:4603]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4887a640df9sm20340566f8f.24.2026.09.27.08.41.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Sep 2026 08:41:26 -0700 (PDT) From: Dmitry Voytik To: Nicolas Schier , Nathan Chancellor Cc: Nicolas Schier , Rong Zhang , linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, Dmitry Voytik Subject: [PATCH v3] scripts/config: honor $KBUILD_OUTPUT by default Date: Sun, 27 Sep 2026 17:41:01 +0200 Message-ID: <20260927154101.122633-1-voytikd@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit If $KBUILD_OUTPUT is set, use it by default if --file is not passed. Fix the issue when the script silently updates a stale .config in the root directory, while the user expects ${KBUILD_OUTPUT}/.config to be updated. The problem can be worked around with --file, but this is easy to miss, and is inconsistent with how the Makefile and other tools work (e.g., scripts/diffconfig). How to reproduce the issue: rm .config export KBUILD_OUTPUT=.out make defconfig ./scripts/config \ -e CONFIG_UBSAN grep: .config: No such file or directory Signed-off-by: Dmitry Voytik --- v3: - Added an example in the commit message how to reproduce the issue v2: - Addressed comments by sashiko: - https://sashiko.dev/#/patchset/20260920064350.17999-1-voytikd%40gmail.com - use basename when --refresh is used - remove echo which can be misleading when --file is passed v1: - https://lore.kernel.org/all/20260920064350.17999-1-voytikd@gmail.com/ --- scripts/config | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/scripts/config b/scripts/config index 32428ea909c2..cdee67157fe1 100755 --- a/scripts/config +++ b/scripts/config @@ -130,6 +130,10 @@ on_exit() { trap on_exit EXIT FN=.config +if [ -n "${KBUILD_OUTPUT}" ]; then + FN=${KBUILD_OUTPUT}/${FN} +fi + CMDS=() while [[ $# -gt 0 ]]; do if [ "$1" = "--file" ]; then @@ -229,7 +233,7 @@ while [ "$1" != "" ] ; do ;; --refresh) - yes "" | make oldconfig KCONFIG_CONFIG=$FN + yes "" | make oldconfig KCONFIG_CONFIG=$(basename $FN) ;; *) -- 2.55.0