linux-kernel - [tip:WIP.x86/mm 22/27] arch/x86/mm/pat/set_memory.c:334:6: sparse: sparse: symbol '__cpa_flush_tlb' was not declared. Should it be static?

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Date:   Sat, 23 Nov 2019 23:30:23 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        x86@...nel.org, Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Rick Edgecombe <rick.p.edgecombe@...el.com>
Subject: [tip:WIP.x86/mm 22/27] arch/x86/mm/pat/set_memory.c:334:6: sparse:
 sparse: symbol '__cpa_flush_tlb' was not declared. Should it be static?

Hi Ingo,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/mm
head:   f53ee099dface98b5d75f6ba3b15c7ae8b26099c
commit: b2c61e70cccafd312eba9b0e4ca06361d800bc93 [22/27] x86/mm/pat: Move the memtype related files to arch/x86/mm/pat/
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-36-g9305d48-dirty
        git checkout b2c61e70cccafd312eba9b0e4ca06361d800bc93
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)

>> arch/x86/mm/pat/set_memory.c:334:6: sparse: sparse: symbol '__cpa_flush_tlb' was not declared. Should it be static?

Please review and possibly fold the followup patch.

---
0-DAY kernel test infrastructure                 Open Source Technology Center
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