[tglx-devel:x86/entry 7/13] arch/x86/mm/fault.c:567:19: error: 'idt_descr' undeclared; did you mean

[tglx-devel:x86/entry 7/13] arch/x86/mm/fault.c:567:19: error: 'idt_descr' undeclared; did you mean

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/entry
head:   454d46254473cd0d626a82fe1cda7b20a5e359e2
commit: 2e02592ac802e13b5c22630cde0096553ba8b767 [7/13] x86/idt: Consolidate idt functionality
config: i386-randconfig-r013-20200603 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
        git checkout 2e02592ac802e13b5c22630cde0096553ba8b767
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

arch/x86/mm/fault.c: In function 'is_f00f_bug':
>> arch/x86/mm/fault.c:567:19: error: 'idt_descr' undeclared (first use in this function); did you mean 'ldt_desc'?
567 |   nr = (address - idt_descr.address) >> 3;
|                   ^~~~~~~~~
|                   ldt_desc
arch/x86/mm/fault.c:567:19: note: each undeclared identifier is reported only once for each function it appears in

vim +567 arch/x86/mm/fault.c

35f3266ffbee7f arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  557  
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  558  static int is_f00f_bug(struct pt_regs *regs, unsigned long address)
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  559  {
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  560  #ifdef CONFIG_X86_F00F_BUG
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  561  	unsigned long nr;
2d4a71676f4d89 arch/x86/mm/fault.c    Ingo Molnar     2009-02-20  562  
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  563  	/*
2d4a71676f4d89 arch/x86/mm/fault.c    Ingo Molnar     2009-02-20  564  	 * Pentium F0 0F C7 C8 bug workaround:
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  565  	 */
e2604b49e8a882 arch/x86/mm/fault.c    Borislav Petkov 2013-03-20  566  	if (boot_cpu_has_bug(X86_BUG_F00F)) {
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30 @567  		nr = (address - idt_descr.address) >> 3;
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  568  
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  569  		if (nr == 6) {
a99471a459d4c8 arch/x86/mm/fault.c    Thomas Gleixner 2020-02-25  570  			handle_invalid_op(regs);
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  571  			return 1;
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  572  		}
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  573  	}
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  574  #endif
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  575  	return 0;
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  576  }
29caf2f98cdb26 arch/x86/mm/fault_64.c Harvey Harrison 2008-01-30  577  

:::::: The code at line 567 was first introduced by commit
:::::: 29caf2f98cdb266dffb50dfd412f951e8d46f719 x86: add is_f00f_bug helper to fault_32|64.c

:::::: TO: Harvey Harrison <harvey.harrison@gmail.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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Re: [tglx-devel:x86/entry 7/13] arch/x86/mm/fault.c:567:19: error: 'idt_descr' undeclared; did you mean

[Thomas Gleixner]

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kernel test robot <lkp@intel.com> writes:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/entry
> head:   454d46254473cd0d626a82fe1cda7b20a5e359e2
> commit: 2e02592ac802e13b5c22630cde0096553ba8b767 [7/13] x86/idt: Consolidate idt functionality
> config: i386-randconfig-r013-20200603 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
> reproduce (this is a W=1 build):
>         git checkout 2e02592ac802e13b5c22630cde0096553ba8b767
>         # save the attached .config to linux build tree
>         make W=1 ARCH=i386 

This commit has been replaced on June 1st. Can you please stop walking a
branch when the branch is not longer matching?

Thanks,

        tglx

Re: [tglx-devel:x86/entry 7/13] arch/x86/mm/fault.c:567:19: error: 'idt_descr' undeclared; did you mean

[Philip Li]

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On Thu, Jun 04, 2020 at 09:18:54AM +0200, Thomas Gleixner wrote:
> kernel test robot <lkp@intel.com> writes:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/entry
> > head:   454d46254473cd0d626a82fe1cda7b20a5e359e2
> > commit: 2e02592ac802e13b5c22630cde0096553ba8b767 [7/13] x86/idt: Consolidate idt functionality
> > config: i386-randconfig-r013-20200603 (attached as .config)
> > compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
> > reproduce (this is a W=1 build):
> >         git checkout 2e02592ac802e13b5c22630cde0096553ba8b767
> >         # save the attached .config to linux build tree
> >         make W=1 ARCH=i386 
> 
> This commit has been replaced on June 1st. Can you please stop walking a
> branch when the branch is not longer matching?
thanks for pointing out this, this is in our TODO but not yet implemented,
we will move this to higher priority. Sorry for the noise here.

> 
> Thanks,
> 
>         tglx
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