From: kernel test robot <lkp@intel.com>
To: Jason Andryuk <jandryuk@gmail.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org, Juergen Gross <jgross@suse.com>
Subject: arch/x86/xen/enlighten_pvh.c:26:13: warning: no previous prototype for function 'xen_pvh_init'
Date: Wed, 6 Oct 2021 14:00:38 +0800 [thread overview]
Message-ID: <202110061431.O0gTOpUb-lkp@intel.com> (raw)
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Hi Jason,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 02d5e016800d082058b3d3b7c3ede136cdc6ddcb
commit: 34aff14580d1b02971adfd63be994f9c045919aa xen: Remove Xen PVH/PVHVM dependency on PCI
date: 10 months ago
config: x86_64-buildonly-randconfig-r006-20211006 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c0039de2953d15815448b4b3c3bafb45607781e0)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34aff14580d1b02971adfd63be994f9c045919aa
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 34aff14580d1b02971adfd63be994f9c045919aa
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/x86/xen/enlighten_pvh.c:26:13: warning: no previous prototype for function 'xen_pvh_init' [-Wmissing-prototypes]
void __init xen_pvh_init(struct boot_params *boot_params)
^
arch/x86/xen/enlighten_pvh.c:26:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __init xen_pvh_init(struct boot_params *boot_params)
^
static
>> arch/x86/xen/enlighten_pvh.c:42:13: warning: no previous prototype for function 'mem_map_via_hcall' [-Wmissing-prototypes]
void __init mem_map_via_hcall(struct boot_params *boot_params_p)
^
arch/x86/xen/enlighten_pvh.c:42:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __init mem_map_via_hcall(struct boot_params *boot_params_p)
^
static
2 warnings generated.
vim +/xen_pvh_init +26 arch/x86/xen/enlighten_pvh.c
8cee3974b35bfb Maran Wilson 2018-12-10 25
72813bfbf0276a Roger Pau Monne 2019-04-23 @26 void __init xen_pvh_init(struct boot_params *boot_params)
8cee3974b35bfb Maran Wilson 2018-12-10 27 {
8cee3974b35bfb Maran Wilson 2018-12-10 28 u32 msr;
8cee3974b35bfb Maran Wilson 2018-12-10 29 u64 pfn;
8cee3974b35bfb Maran Wilson 2018-12-10 30
8cee3974b35bfb Maran Wilson 2018-12-10 31 xen_pvh = 1;
c9f804d64bb93c Roger Pau Monne 2019-04-23 32 xen_domain_type = XEN_HVM_DOMAIN;
8cee3974b35bfb Maran Wilson 2018-12-10 33 xen_start_flags = pvh_start_info.flags;
8cee3974b35bfb Maran Wilson 2018-12-10 34
8cee3974b35bfb Maran Wilson 2018-12-10 35 msr = cpuid_ebx(xen_cpuid_base() + 2);
8cee3974b35bfb Maran Wilson 2018-12-10 36 pfn = __pa(hypercall_page);
8cee3974b35bfb Maran Wilson 2018-12-10 37 wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32));
72813bfbf0276a Roger Pau Monne 2019-04-23 38
72813bfbf0276a Roger Pau Monne 2019-04-23 39 xen_efi_init(boot_params);
8cee3974b35bfb Maran Wilson 2018-12-10 40 }
a43fb7da53007e Maran Wilson 2018-12-10 41
a43fb7da53007e Maran Wilson 2018-12-10 @42 void __init mem_map_via_hcall(struct boot_params *boot_params_p)
:::::: The code at line 26 was first introduced by commit
:::::: 72813bfbf0276a97c82af038efb5f02dcdd9e310 xen/pvh: correctly setup the PV EFI interface for dom0
:::::: TO: Roger Pau Monne <roger.pau@citrix.com>
:::::: CC: Boris Ostrovsky <boris.ostrovsky@oracle.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: arch/x86/xen/enlighten_pvh.c:26:13: warning: no previous prototype for function 'xen_pvh_init'
Date: Wed, 06 Oct 2021 14:00:38 +0800 [thread overview]
Message-ID: <202110061431.O0gTOpUb-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 3887 bytes --]
Hi Jason,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 02d5e016800d082058b3d3b7c3ede136cdc6ddcb
commit: 34aff14580d1b02971adfd63be994f9c045919aa xen: Remove Xen PVH/PVHVM dependency on PCI
date: 10 months ago
config: x86_64-buildonly-randconfig-r006-20211006 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c0039de2953d15815448b4b3c3bafb45607781e0)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34aff14580d1b02971adfd63be994f9c045919aa
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 34aff14580d1b02971adfd63be994f9c045919aa
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/x86/xen/enlighten_pvh.c:26:13: warning: no previous prototype for function 'xen_pvh_init' [-Wmissing-prototypes]
void __init xen_pvh_init(struct boot_params *boot_params)
^
arch/x86/xen/enlighten_pvh.c:26:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __init xen_pvh_init(struct boot_params *boot_params)
^
static
>> arch/x86/xen/enlighten_pvh.c:42:13: warning: no previous prototype for function 'mem_map_via_hcall' [-Wmissing-prototypes]
void __init mem_map_via_hcall(struct boot_params *boot_params_p)
^
arch/x86/xen/enlighten_pvh.c:42:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __init mem_map_via_hcall(struct boot_params *boot_params_p)
^
static
2 warnings generated.
vim +/xen_pvh_init +26 arch/x86/xen/enlighten_pvh.c
8cee3974b35bfb Maran Wilson 2018-12-10 25
72813bfbf0276a Roger Pau Monne 2019-04-23 @26 void __init xen_pvh_init(struct boot_params *boot_params)
8cee3974b35bfb Maran Wilson 2018-12-10 27 {
8cee3974b35bfb Maran Wilson 2018-12-10 28 u32 msr;
8cee3974b35bfb Maran Wilson 2018-12-10 29 u64 pfn;
8cee3974b35bfb Maran Wilson 2018-12-10 30
8cee3974b35bfb Maran Wilson 2018-12-10 31 xen_pvh = 1;
c9f804d64bb93c Roger Pau Monne 2019-04-23 32 xen_domain_type = XEN_HVM_DOMAIN;
8cee3974b35bfb Maran Wilson 2018-12-10 33 xen_start_flags = pvh_start_info.flags;
8cee3974b35bfb Maran Wilson 2018-12-10 34
8cee3974b35bfb Maran Wilson 2018-12-10 35 msr = cpuid_ebx(xen_cpuid_base() + 2);
8cee3974b35bfb Maran Wilson 2018-12-10 36 pfn = __pa(hypercall_page);
8cee3974b35bfb Maran Wilson 2018-12-10 37 wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32));
72813bfbf0276a Roger Pau Monne 2019-04-23 38
72813bfbf0276a Roger Pau Monne 2019-04-23 39 xen_efi_init(boot_params);
8cee3974b35bfb Maran Wilson 2018-12-10 40 }
a43fb7da53007e Maran Wilson 2018-12-10 41
a43fb7da53007e Maran Wilson 2018-12-10 @42 void __init mem_map_via_hcall(struct boot_params *boot_params_p)
:::::: The code at line 26 was first introduced by commit
:::::: 72813bfbf0276a97c82af038efb5f02dcdd9e310 xen/pvh: correctly setup the PV EFI interface for dom0
:::::: TO: Roger Pau Monne <roger.pau@citrix.com>
:::::: CC: Boris Ostrovsky <boris.ostrovsky@oracle.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2021-10-06 6:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-06 6:00 kernel test robot [this message]
2021-10-06 6:00 ` arch/x86/xen/enlighten_pvh.c:26:13: warning: no previous prototype for function 'xen_pvh_init' kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2021-11-07 4:28 kernel test robot
2021-11-07 4:28 ` kernel test robot
2021-11-18 19:02 kernel test robot
2021-11-18 19:02 ` kernel test robot
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