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Message-ID: <202311210515.oI9mxbKB-lkp@intel.com>
Date: Tue, 21 Nov 2023 09:36:14 +0800
From: kernel test robot <yujie.liu@...el.com>
To: Hans de Goede <hdegoede@...hat.com>
CC: <oe-kbuild-all@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
"Larry Finger" <Larry.Finger@...inger.net>,
<linux-doc@...r.kernel.org>
Subject: drivers/virt/vboxguest/vboxguest_linux.c:65: warning: This comment
starts with '/**', but isn't a kernel-doc comment. Refer
Documentation/doc-guide/kernel-doc.rst
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 98b1cc82c4affc16f5598d4fa14b1858671b2263
commit: 0ba002bc4393dcfae031fc707b11c094b46a5048 virt: Add vboxguest driver for Virtual Box Guest integration
config: x86_64-buildonly-randconfig-001-20231012 (https://download.01.org/0day-ci/archive/20231121/202311210515.oI9mxbKB-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231121/202311210515.oI9mxbKB-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <yujie.liu@...el.com>
| Closes: https://lore.kernel.org/r/202311210515.oI9mxbKB-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/virt/vboxguest/vboxguest_linux.c:65: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Close device.
drivers/virt/vboxguest/vboxguest_linux.c:78: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Device I/O Control entry point.
drivers/virt/vboxguest/vboxguest_linux.c:161: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Called when the input device is first opened.
drivers/virt/vboxguest/vboxguest_linux.c:179: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Called if all open handles to the input device are closed.
drivers/virt/vboxguest/vboxguest_linux.c:191: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Creates the kernel input device.
drivers/virt/vboxguest/vboxguest_linux.c:243: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Does the PCI detection and init of the device.
drivers/virt/vboxguest/vboxguest_linux.c:424: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Callback for mouse events.
--
>> drivers/virt/vboxguest/vboxguest_core.c:31: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Reserves memory in which the VMM can relocate any guest mappings
drivers/virt/vboxguest/vboxguest_core.c:122: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Undo what vbg_guest_mappings_init did.
drivers/virt/vboxguest/vboxguest_core.c:162: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Report the guest information to the host.
drivers/virt/vboxguest/vboxguest_core.c:223: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Report the guest driver status to the host.
drivers/virt/vboxguest/vboxguest_core.c:254: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Inflate the balloon by one chunk. The caller owns the balloon mutex.
drivers/virt/vboxguest/vboxguest_core.c:304: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Deflate the balloon by one chunk. The caller owns the balloon mutex.
drivers/virt/vboxguest/vboxguest_core.c:337: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Respond to VMMDEV_EVENT_BALLOON_CHANGE_REQUEST events, query the size
drivers/virt/vboxguest/vboxguest_core.c:402: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Callback for heartbeat timer.
drivers/virt/vboxguest/vboxguest_core.c:414: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Configure the host to check guest's heartbeat
drivers/virt/vboxguest/vboxguest_core.c:440: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Initializes the heartbeat timer. This feature may be disabled by the host.
drivers/virt/vboxguest/vboxguest_core.c:477: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Cleanup hearbeat code, stop HB timer and disable host heartbeat checking.
drivers/virt/vboxguest/vboxguest_core.c:489: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Applies a change to the bit usage tracker.
drivers/virt/vboxguest/vboxguest_core.c:525: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Init and termination worker for resetting the (host) event filter on the host
drivers/virt/vboxguest/vboxguest_core.c:551: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Changes the event filter mask for the given session.
drivers/virt/vboxguest/vboxguest_core.c:626: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Init and termination worker for set guest capabilities to zero on the host.
drivers/virt/vboxguest/vboxguest_core.c:650: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Sets the guest capabilities for a session. Takes the session spinlock.
drivers/virt/vboxguest/vboxguest_core.c:721: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* vbg_query_host_version get the host feature mask and version information.
drivers/virt/vboxguest/vboxguest_core.c:757: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Initializes the VBoxGuest device extension when the
>> drivers/virt/vboxguest/vboxguest_core.c:866: warning: expecting prototype for Call this on exit to clean-up vboxguest(). Prototype was for vbg_core_exit() instead
drivers/virt/vboxguest/vboxguest_core.c:883: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Creates a VBoxGuest user session.
drivers/virt/vboxguest/vboxguest_core.c:905: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Closes a VBoxGuest session.
drivers/virt/vboxguest/vboxguest_core.c:1063: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Checks if the VMM request is allowed in the context of the given session.
drivers/virt/vboxguest/vboxguest_core.c:1423: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Common IOCtl for user to kernel communication.
>> drivers/virt/vboxguest/vboxguest_core.c:1500: warning: expecting prototype for Report guest supported mouse(). Prototype was for vbg_core_set_mouse_status() instead
drivers/virt/vboxguest/vboxguest_core.o: warning: objtool: vbg_report_guest_info()+0x80: sibling call from callable instruction with modified stack frame
--
>> drivers/virt/vboxguest/vboxguest_utils.c:225: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Preprocesses the HGCM call, validate parameters, alloc bounce buffers and
drivers/virt/vboxguest/vboxguest_utils.c:289: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Translates linear address types to page list direction flags.
drivers/virt/vboxguest/vboxguest_utils.c:357: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Initializes the call request that we're sending to the host.
drivers/virt/vboxguest/vboxguest_utils.c:413: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Tries to cancel a pending HGCM call.
drivers/virt/vboxguest/vboxguest_utils.c:447: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Performs the call and completion wait.
drivers/virt/vboxguest/vboxguest_utils.c:528: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Copies the result of the call back to the caller info structure and user
drivers/virt/vboxguest/vboxguest_utils.o: warning: objtool: vbg_info()+0x6e: sibling call from callable instruction with modified stack frame
drivers/virt/vboxguest/vboxguest_utils.o: warning: objtool: vbg_warn()+0x6e: sibling call from callable instruction with modified stack frame
drivers/virt/vboxguest/vboxguest_utils.o: warning: objtool: vbg_err()+0x6e: sibling call from callable instruction with modified stack frame
drivers/virt/vboxguest/vboxguest_utils.o: warning: objtool: vbg_info.cold()+0x2a: return with modified stack frame
drivers/virt/vboxguest/vboxguest_utils.o: warning: objtool: vbg_warn.cold()+0x2a: return with modified stack frame
drivers/virt/vboxguest/vboxguest_utils.o: warning: objtool: vbg_err.cold()+0x2a: return with modified stack frame
vim +65 drivers/virt/vboxguest/vboxguest_linux.c
0ba002bc4393dc Hans de Goede 2017-11-30 63
0ba002bc4393dc Hans de Goede 2017-11-30 64 /**
0ba002bc4393dc Hans de Goede 2017-11-30 @65 * Close device.
0ba002bc4393dc Hans de Goede 2017-11-30 66 * Return: 0 on success, negated errno on failure.
0ba002bc4393dc Hans de Goede 2017-11-30 67 * @inode: Pointer to inode info structure.
0ba002bc4393dc Hans de Goede 2017-11-30 68 * @filp: Associated file pointer.
0ba002bc4393dc Hans de Goede 2017-11-30 69 */
0ba002bc4393dc Hans de Goede 2017-11-30 70 static int vbg_misc_device_close(struct inode *inode, struct file *filp)
0ba002bc4393dc Hans de Goede 2017-11-30 71 {
0ba002bc4393dc Hans de Goede 2017-11-30 72 vbg_core_close_session(filp->private_data);
0ba002bc4393dc Hans de Goede 2017-11-30 73 filp->private_data = NULL;
0ba002bc4393dc Hans de Goede 2017-11-30 74 return 0;
0ba002bc4393dc Hans de Goede 2017-11-30 75 }
0ba002bc4393dc Hans de Goede 2017-11-30 76
--
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https://github.com/intel/lkp-tests/wiki
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