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From: kbuild test robot <lkp@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: kbuild-all@01.org, LKML <linux-kernel@vger.kernel.org>,
	x86@kernel.org, Peter Zijlstra <peterz@infradead.org>,
	Bin Yang <bin.yang@intel.com>,
	Dave Hansen <dave.hansen@intel.com>,
	Mark Gross <mark.gross@intel.com>
Subject: Re: [patch V2 04/10] x86/mm/cpa: Add debug mechanism
Date: Sat, 15 Sep 2018 14:58:49 +0800	[thread overview]
Message-ID: <201809151442.hv1tACDi%fengguang.wu@intel.com> (raw)
In-Reply-To: <20180914131301.941953185@linutronix.de>

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Hi Thomas,

I love your patch! Perhaps something to improve:

[auto build test WARNING on tip/x86/core]
[also build test WARNING on v4.19-rc3 next-20180913]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Thomas-Gleixner/x86-mm-cpa-Improve-large-page-preservation-handling/20180915-062636
config: i386-randconfig-sb0-09151101 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   arch/x86/mm/pageattr.c: In function 'check_conflict':
>> arch/x86/mm/pageattr.c:419:2: warning: format '%lx' expects argument of type 'long unsigned int', but argument 7 has type 'pgprotval_t' [-Wformat=]
     pr_warn("CPA %8s %10s: 0x%016lx - 0x%016lx PFN %lx req %016lx prevent %016lx\n",
     ^
   arch/x86/mm/pageattr.c:419:2: warning: format '%lx' expects argument of type 'long unsigned int', but argument 8 has type 'pgprotval_t' [-Wformat=]

vim +419 arch/x86/mm/pageattr.c

   406	
   407	static inline void check_conflict(int warnlvl, pgprot_t prot, pgprotval_t val,
   408					  unsigned long start, unsigned long end,
   409					  unsigned long pfn, const char *txt)
   410	{
   411		static const char *lvltxt[] = {
   412			[CPA_PROTECT]	= "protect",
   413			[CPA_DETECT]	= "detect",
   414		};
   415	
   416		if (warnlvl > cpa_warn_level || !conflicts(prot, val))
   417			return;
   418	
 > 419		pr_warn("CPA %8s %10s: 0x%016lx - 0x%016lx PFN %lx req %016lx prevent %016lx\n",
   420			lvltxt[warnlvl], txt, start, end, pfn, pgprot_val(prot), val);
   421	}
   422	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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  parent reply	other threads:[~2018-09-15  6:59 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-14 13:09 [patch V2 00/10] x86/mm/cpa: Improve large page preservation handling Thomas Gleixner
2018-09-14 13:09 ` [patch V2 01/10] x86/mm/cpa: Split, rename and clean up try_preserve_large_page() Thomas Gleixner
2018-09-14 13:09 ` [patch V2 02/10] x86/mm/cpa: Rework static_protections() Thomas Gleixner
2018-09-14 13:09 ` [patch V2 03/10] x86/mm/cpa: Allow range check for static protections Thomas Gleixner
2018-09-14 13:09 ` [patch V2 04/10] x86/mm/cpa: Add debug mechanism Thomas Gleixner
2018-09-14 23:22   ` kbuild test robot
2018-09-15  6:58   ` kbuild test robot [this message]
2018-09-15 13:06   ` [patch V3 " Thomas Gleixner
2018-09-14 13:09 ` [patch V2 05/10] x86/mm/cpa: Add large page preservation statistics Thomas Gleixner
2018-09-14 13:09 ` [patch V2 06/10] x86/mm/cpa: Avoid static protection checks on unmap Thomas Gleixner
2018-09-14 13:09 ` [patch V2 07/10] x86/mm/cpa: Add sanity check for existing mappings Thomas Gleixner
2018-09-17  0:31   ` [LKP] [x86/mm/cpa] c77d419f92: WARNING:at_arch/x86/mm/pageattr.c:#__change_page_attr_set_clr kernel test robot
2018-09-17 11:05     ` Thomas Gleixner
2018-09-14 13:09 ` [patch V2 08/10] x86/mm/cpa: Optimize same protection check Thomas Gleixner
2018-09-14 13:09 ` [patch V2 09/10] x86/mm/cpa: Do the range check early Thomas Gleixner
2018-09-14 13:09 ` [patch V2 10/10] x86/mm/cpa: Avoid the 4k pages check completely Thomas Gleixner

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