linux-kernel - Re: arch/alpha/include/asm/page.h:9:25: error: 'CONFIG_PAGE_SHIFT' undeclared; did you mean 'CONFIG_HAVE

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Message-ID: <Zh4Q7+IV6Py3LzQn@yujie-X299>
Date: Tue, 16 Apr 2024 13:47:27 +0800
From: Yujie Liu <yujie.liu@...el.com>
To: Arnd Bergmann <arnd@...db.de>
CC: kernel test robot <lkp@...el.com>, <oe-kbuild-all@...ts.linux.dev>,
	<linux-kernel@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: arch/alpha/include/asm/page.h:9:25: error: 'CONFIG_PAGE_SHIFT'
 undeclared; did you mean 'CONFIG_HAVE_PCI'?

On Sun, Apr 14, 2024 at 05:46:54PM +0200, Arnd Bergmann wrote:
> On Sun, Apr 14, 2024, at 16:52, kernel test robot wrote:
> > tree:   
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
> > master
> > head:   7efd0a74039fb6b584be2cb91c1d0ef0bd796ee1
> > commit: 5394f1e9b687bcf26595cabf83483e568676128d arch: define 
> > CONFIG_PAGE_SIZE_*KB on all architectures
> > date:   6 weeks ago
> > config: alpha-randconfig-r016-20220816 
> > (https://download.01.org/0day-ci/archive/20240414/202404142258.3CWV3f05-lkp@intel.com/config)
> > compiler: alpha-linux-gcc (GCC) 13.2.0
> > reproduce (this is a W=1 build): 
> > (https://download.01.org/0day-ci/archive/20240414/202404142258.3CWV3f05-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 <lkp@...el.com>
> > | Closes: 
> > https://lore.kernel.org/oe-kbuild-all/202404142258.3CWV3f05-lkp@intel.com/
> >
> > All errors (new ones prefixed by >>):
> >
> >    In file included from include/linux/thread_info.h:60,
> >                     from include/asm-generic/current.h:6,
> >                     from ./arch/alpha/include/generated/asm/current.h:1,
> >                     from include/linux/sched.h:12,
> >                     from arch/alpha/kernel/asm-offsets.c:10:
> >    arch/alpha/include/asm/thread_info.h:43: warning: 
> > "current_thread_info" redefined
> >       43 | #define current_thread_info()  __current_thread_info
> >          | 
> >    include/linux/thread_info.h:24: note: this is the location of the 
> > previous definition
> >       24 | #define current_thread_info() ((struct thread_info *)current)
> >          | 
> >    In file included from include/linux/shm.h:6,
> >                     from include/linux/sched.h:23:
> >    include/asm-generic/getorder.h: In function 'get_order':
> >>> arch/alpha/include/asm/page.h:9:25: error: 'CONFIG_PAGE_SHIFT' undeclared (first use in this function); did you mean 'CONFIG_HAVE_PCI'?
> >        9 | #define PAGE_SHIFT      CONFIG_PAGE_SHIFT
> >          |                         ^~~~~~~~~~~~~~~~~
> 
> I tried reproducing this, but it always works for me here,
> using my own gcc-13.2 build. I tried both the latest linux-next
> and the 5394f1e9b commit.

Sorry for this false alarm. We re-examined this case and found that we
could not reproduce this issue either. It seems to be caused by a
malfunction of the bot. Please kindly ignore this report.

Thanks,
Yujie