linux-kernel - arch/x86/kernel/apic/apic.c:2168: warning: Function parameter or member 'spurious_interrupt' not described in 'DEFINE_IDTENTRY

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Message-ID: <202412051816.oA5fqwk9-lkp@intel.com>
Date: Thu, 5 Dec 2024 18:49:58 +0800
From: kernel test robot <lkp@...el.com>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Dave Hansen <dave.hansen@...ux.intel.com>
Subject: arch/x86/kernel/apic/apic.c:2168: warning: Function parameter or
 member 'spurious_interrupt' not described in 'DEFINE_IDTENTRY_IRQ'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   feffde684ac29a3b7aec82d2df850fbdbdee55e4
commit: f8542a55499a69a859c84866b66f0df43933e563 x86/apic: Turn on static calls
date:   1 year, 4 months ago
config: x86_64-randconfig-076-20240105 (https://download.01.org/0day-ci/archive/20241205/202412051816.oA5fqwk9-lkp@intel.com/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241205/202412051816.oA5fqwk9-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/202412051816.oA5fqwk9-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/apic/apic.c:2168: warning: Function parameter or member 'spurious_interrupt' not described in 'DEFINE_IDTENTRY_IRQ'
>> arch/x86/kernel/apic/apic.c:2168: warning: expecting prototype for spurious_interrupt(). Prototype was for DEFINE_IDTENTRY_IRQ() instead


vim +2168 arch/x86/kernel/apic/apic.c

c4d58cbd158dc9 arch/x86/kernel/apic_64.c   Thomas Gleixner 2007-10-12  2157  
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2158  /**
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2159   * spurious_interrupt - Catch all for interrupts raised on unused vectors
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2160   * @regs:	Pointer to pt_regs on stack
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2161   * @vector:	The vector number
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2162   *
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2163   * This is invoked from ASM entry code to catch all interrupts which
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2164   * trigger on an entry which is routed to the common_spurious idtentry
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2165   * point.
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2166   */
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2167  DEFINE_IDTENTRY_IRQ(spurious_interrupt)
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10 @2168  {
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2169  	handle_spurious_interrupt(vector);
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2170  }
3c5e0267ec3e6e arch/x86/kernel/apic/apic.c Thomas Gleixner 2021-02-10  2171  

:::::: The code at line 2168 was first introduced by commit
:::::: 3c5e0267ec3e6ed7d3f1793273cbf0beb4f86a74 x86/apic: Split out spurious handling code

:::::: TO: Thomas Gleixner <tglx@...utronix.de>
:::::: CC: Thomas Gleixner <tglx@...utronix.de>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki