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Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1707665802; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=QsC71mnuXWG0q9Nl+o1OGuAQFLxgfL9XuHk4wUGOUJw=; b=mhGl0oRLqvgO3Km6MTeJsSLOqKrGO0Jfo7WGUSc4pzTkB91j+d+5UGnYXm5bogbwgLqtED n5a8x4kZhbfdxOI7WdlCTQjytrAMYJ1ulUe89WKcXfSAQMH7kFyF1KOYqY8jbPBxi1OdMc lqUC8ugu0Tig3Dg7nOZy7vmoce8Xl7bo2ufl+eFD+Y0z31eG2tS4sF7wHZsft6PKI6uOe6 wxEmwT/W/TLtaM4+5ltGUE8j57emxcuncTwOGN57yRIkKatCevw1Gjb6XRTESJ+fYuGFOh 2czDn93pA2VcmmEHgMN4fIm1Z1H1UPI8btNbrsg/lIow5txdTJcWNrptFqJArA== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Sun, 11 Feb 2024 12:37:11 -0300 Subject: [PATCH] ACPI: bus: make acpi_bus_type const Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240211-bus_cleanup-acpi-v1-1-08540c6e9458@marliere.net> X-B4-Tracking: v=1; b=H4sIAKbpyGUC/x3MTQqAIBBA4avErBNUin6uEhE2TTUQJooRiHdPW n6L9xIE8kwBxiqBp4cD37ZA1RXgaexBgrdi0FI3Uisl1hgWvMjY6IRBx6IzW4soG9kPCCVznnZ +/+U05/wBp2rTfWIAAAA= To: "Rafael J. Wysocki" , Len Brown , Robert Moore Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, acpica-devel@lists.linux.dev, Greg Kroah-Hartman , "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=1667; i=ricardo@marliere.net; h=from:subject:message-id; bh=jjSF6lq4krDwmprCM2e1i+Kdrar4fmP5e0LW+RJ2wmo=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBlyOmvpeM1qgXf1S8oUZUteHpAa7F8/a4xwyTMs T90cMh+DgGJAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZcjprwAKCRDJC4p8Y4ZY pi+/EACJDPSrtQQCZRcys2FN3LBfpgESKnhCHF/kSH+u6ZAyO6LG5doimpOofZNFe92tIb+UiSW U/+SQOpd2WBzD1ayOceap+3NAXLDmunZFFKlXFtWipHz83B/Xb4Q4NHRUrTOFs+aOiWs3Ha8UoK zOK44P52z49nRwhds1BuUfADr6lQ7wRqKHFk1SflwlwIntFaRa6WEInjlRFYUp06HZNI7wGvWWS Rd2ndoMBwhTlOKtHEe6FKHRApBAYrE9v9zyTqQu/SGFwCr///OemlL1D9pv9wKbHL/KYrGYIR1l Ohcb/IzY1xUUrpDn0Qd7tOUrP3vWGgiHV0yhZMDWFQGPXzA7q3Fe5rsj3ZJDIpe5+yPn8S7OqEV d5UdBifwGyYie/FGrZAXP+zshScdvcRGcCxwSLhOZfNXD7LWGSy3cdMP0Tx4zp4QeBYwa31wL/5 02A89hCSrp/Aog9beeIglI2gNGubfDQuzCtFUh9KGqCygpB/+g6r0Jfv99H5BlgkQZ1Zbynfbh7 0q+o1RKApLxecOsdRHqErlMCF0c7/w87wbsZsQaCRmRP8TVI2kDsaqEXYPP0Lv/rZdhTkqJtfHt KV2nRy9mDYN7LstncXMxNt3Bh2WH/Vwy/0h/gj1MR0OZogG8XYTooLGZDWoVEnDdM5H74A/BUmj p7dU99AfmpjVYgg== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790617400923245811 X-GMAIL-MSGID: 1790617400923245811 Now that the driver core can properly handle constant struct bus_type, move the acpi_bus_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: Greg Kroah-Hartman Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere Reviewed-by: Greg Kroah-Hartman --- drivers/acpi/bus.c | 2 +- include/acpi/acpi_bus.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- base-commit: c3c4923f2082353762e8f46dec6e3b0f165a1606 change-id: 20240211-bus_cleanup-acpi-7ad5cc04089c Best regards, diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 569bd15f211b..d9fa730416f1 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1097,7 +1097,7 @@ static void acpi_device_remove(struct device *dev) put_device(dev); } -struct bus_type acpi_bus_type = { +const struct bus_type acpi_bus_type = { .name = "acpi", .match = acpi_bus_match, .probe = acpi_device_probe, diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index e4d24d3f9abb..f67aa93ba53e 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -582,7 +582,7 @@ void acpi_initialize_hp_context(struct acpi_device *adev, void (*uevent)(struct acpi_device *, u32)); /* acpi_device.dev.bus == &acpi_bus_type */ -extern struct bus_type acpi_bus_type; +extern const struct bus_type acpi_bus_type; int acpi_bus_for_each_dev(int (*fn)(struct device *, void *), void *data); int acpi_dev_for_each_child(struct acpi_device *adev,