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[80.145.91.198]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5d80701c94csm14729504a12.85.2024.12.30.06.24.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Dec 2024 06:24:16 -0800 (PST) From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: Matthias Maennich , Jonathan Corbet , Masahiro Yamada Cc: Andy Shevchenko , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] doc: module: DEFAULT_SYMBOL_NAMESPACE must be defined before #includes Date: Mon, 30 Dec 2024 15:24:00 +0100 Message-ID: <20241230142357.3203913-6-u.kleine-koenig@baylibre.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241230142357.3203913-4-u.kleine-koenig@baylibre.com> References: <20241230142357.3203913-4-u.kleine-koenig@baylibre.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Developer-Signature: v=1; a=openpgp-sha256; l=1623; i=u.kleine-koenig@baylibre.com; h=from:subject; bh=7H5NeV/Cd9MbRtA6mmk+DcOGx5EEmgZqhra692U74/Q=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBncq0DEyW5r15ek2cUo+yeDb7/RlHgMR5AkHUWU /nJw3CnZ+CJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZ3KtAwAKCRCPgPtYfRL+ TnvaB/wIr0tyALQw7nPSOaKZnX7O3LLCFd9mtrabBuY7wS9And9XNgH74alto5gS7I1ZSvTktb4 oI1EpQ41YpUA3Bc9kS1ix6uH8QMfaR5gjrRfSOp0rgdpwc+ae82+5kHm4OwTGEBHXxnFZ4tEuGK tXk4j8WHsv0OtQLWwvnbUyoscqzB2diKy2zPLiO1SAdTyjbFO4qq1QY+4SoMfTphoswNcyX0zjL efD2eUHciVlWMdiD4ZfEg9ejnvUiT+EUVBfR4TUVaVP35G/bd/xDBKe8ER9b6Y4yefmENMU3TIU cp9jmHeOOZy5dbrXdYC8zW7D2/K6FTDRle6kbBP2mje4p09e X-Developer-Key: i=u.kleine-koenig@baylibre.com; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 Content-Transfer-Encoding: quoted-printable The definition of EXPORT_SYMBOL et al depends on DEFAULT_SYMBOL_NAMESPACE. So DEFAULT_SYMBOL_NAMESPACE must already be available when is parsed. Also when defined that early there is no need for an #undef, so drop that from the usage example. Reported-by: Andy Shevchenko Link: https://lore.kernel.org/linux-i2c/Z09bp9uMzwXRLXuF@smile.fi.intel.com/ Signed-off-by: Uwe Kleine-K=C3=B6nig Link: https://lore.kernel.org/r/3dd7ff6fa0a636de86e091286016be8c90e03631.17= 33305665.git.ukleinek@kernel.org --- Documentation/core-api/symbol-namespaces.rst | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/Documentation/core-api/symbol-namespaces.rst b/Documentation/c= ore-api/symbol-namespaces.rst index 473d025657fd..06f766a6aab2 100644 --- a/Documentation/core-api/symbol-namespaces.rst +++ b/Documentation/core-api/symbol-namespaces.rst @@ -78,11 +78,10 @@ as this argument has preference over a default symbol n= amespace. A second option to define the default namespace is directly in the compila= tion unit as preprocessor statement. The above example would then read:: =20 - #undef DEFAULT_SYMBOL_NAMESPACE #define DEFAULT_SYMBOL_NAMESPACE "USB_COMMON" =20 -within the corresponding compilation unit before any EXPORT_SYMBOL macro is -used. +within the corresponding compilation unit before the #include for +. Typically it's placed before the first #include statemen= t. =20 3. How to use Symbols exported in Namespaces =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --=20 2.45.2