linux-kernel - Re: [PATCH RT] usb: Use _nort in usb_hcd_pci

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Date:   Tue, 25 Apr 2017 08:01:54 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     kbuild test robot <lkp@...el.com>,
        Fengguang Wu <fengguang.wu@...el.com>
Cc:     Nate Dailey <nate.dailey@...atus.com>, kbuild-all@...org,
        linux-kernel@...r.kernel.org, bigeasy@...utronix.de,
        tglx@...utronix.de
Subject: Re: [PATCH RT] usb: Use _nort in usb_hcd_pci_remove

On Tue, 25 Apr 2017 13:26:41 +0800
kbuild test robot <lkp@...el.com> wrote:

> Hi Nate,
> 
> [auto build test ERROR on usb/usb-testing]
> [also build test ERROR on v4.11-rc8 next-20170424]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

Hi Fengguang,

You may want to have your bot look at the subject. If there's an "RT"
in the [PATCH ...] portion, then you need to apply the PREEMPT_RT
patch, or use one of the RT git trees for it.

This patch is applied to the RT trees.

Thanks!

-- Steve

> 
> url:    https://github.com/0day-ci/linux/commits/Nate-Dailey/usb-Use-_nort-in-usb_hcd_pci_remove/20170424-214548
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
> config: x86_64-rhel (attached as .config)
> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All errors (new ones prefixed by >>):
> 
>    drivers/usb//core/hcd-pci.c: In function 'usb_hcd_pci_remove':
> >> drivers/usb//core/hcd-pci.c:344:2: error: implicit declaration of function 'local_irq_disable_nort' [-Werror=implicit-function-declaration]  
>      local_irq_disable_nort();
>      ^~~~~~~~~~~~~~~~~~~~~~
> >> drivers/usb//core/hcd-pci.c:346:2: error: implicit declaration of function 'local_irq_enable_nort' [-Werror=implicit-function-declaration]  
>      local_irq_enable_nort();
>      ^~~~~~~~~~~~~~~~~~~~~
>    cc1: some warnings being treated as errors
> 
> vim +/local_irq_disable_nort +344 drivers/usb//core/hcd-pci.c
> 
>    338			pm_runtime_get_noresume(&dev->dev);
>    339	
>    340		/* Fake an interrupt request in order to give the driver a chance
>    341		 * to test whether the controller hardware has been removed (e.g.,
>    342		 * cardbus physical eject).
>    343		 */
>  > 344		local_irq_disable_nort();  
>    345		usb_hcd_irq(0, hcd);
>  > 346		local_irq_enable_nort();  
>    347	
>    348		/* Note: dev_set_drvdata must be called while holding the rwsem */
>    349		if (dev->class == CL_EHCI) {
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation