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: Sun, 7 Nov 2021 12:28:32 +0800 [thread overview]
Message-ID: <202111071227.RChIcejZ-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 3831 bytes --]
Hi Jason,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b5013d084e03e82ceeab4db8ae8ceeaebe76b0eb
commit: 34aff14580d1b02971adfd63be994f9c045919aa xen: Remove Xen PVH/PVHVM dependency on PCI
date: 11 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
8cee3974b35bfb2 Maran Wilson 2018-12-10 25
72813bfbf0276a9 Roger Pau Monne 2019-04-23 @26 void __init xen_pvh_init(struct boot_params *boot_params)
8cee3974b35bfb2 Maran Wilson 2018-12-10 27 {
8cee3974b35bfb2 Maran Wilson 2018-12-10 28 u32 msr;
8cee3974b35bfb2 Maran Wilson 2018-12-10 29 u64 pfn;
8cee3974b35bfb2 Maran Wilson 2018-12-10 30
8cee3974b35bfb2 Maran Wilson 2018-12-10 31 xen_pvh = 1;
c9f804d64bb93c8 Roger Pau Monne 2019-04-23 32 xen_domain_type = XEN_HVM_DOMAIN;
8cee3974b35bfb2 Maran Wilson 2018-12-10 33 xen_start_flags = pvh_start_info.flags;
8cee3974b35bfb2 Maran Wilson 2018-12-10 34
8cee3974b35bfb2 Maran Wilson 2018-12-10 35 msr = cpuid_ebx(xen_cpuid_base() + 2);
8cee3974b35bfb2 Maran Wilson 2018-12-10 36 pfn = __pa(hypercall_page);
8cee3974b35bfb2 Maran Wilson 2018-12-10 37 wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32));
72813bfbf0276a9 Roger Pau Monne 2019-04-23 38
72813bfbf0276a9 Roger Pau Monne 2019-04-23 39 xen_efi_init(boot_params);
8cee3974b35bfb2 Maran Wilson 2018-12-10 40 }
a43fb7da53007e6 Maran Wilson 2018-12-10 41
a43fb7da53007e6 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
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 29423 bytes --]
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: Sun, 07 Nov 2021 12:28:32 +0800 [thread overview]
Message-ID: <202111071227.RChIcejZ-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 3905 bytes --]
Hi Jason,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b5013d084e03e82ceeab4db8ae8ceeaebe76b0eb
commit: 34aff14580d1b02971adfd63be994f9c045919aa xen: Remove Xen PVH/PVHVM dependency on PCI
date: 11 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
8cee3974b35bfb2 Maran Wilson 2018-12-10 25
72813bfbf0276a9 Roger Pau Monne 2019-04-23 @26 void __init xen_pvh_init(struct boot_params *boot_params)
8cee3974b35bfb2 Maran Wilson 2018-12-10 27 {
8cee3974b35bfb2 Maran Wilson 2018-12-10 28 u32 msr;
8cee3974b35bfb2 Maran Wilson 2018-12-10 29 u64 pfn;
8cee3974b35bfb2 Maran Wilson 2018-12-10 30
8cee3974b35bfb2 Maran Wilson 2018-12-10 31 xen_pvh = 1;
c9f804d64bb93c8 Roger Pau Monne 2019-04-23 32 xen_domain_type = XEN_HVM_DOMAIN;
8cee3974b35bfb2 Maran Wilson 2018-12-10 33 xen_start_flags = pvh_start_info.flags;
8cee3974b35bfb2 Maran Wilson 2018-12-10 34
8cee3974b35bfb2 Maran Wilson 2018-12-10 35 msr = cpuid_ebx(xen_cpuid_base() + 2);
8cee3974b35bfb2 Maran Wilson 2018-12-10 36 pfn = __pa(hypercall_page);
8cee3974b35bfb2 Maran Wilson 2018-12-10 37 wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32));
72813bfbf0276a9 Roger Pau Monne 2019-04-23 38
72813bfbf0276a9 Roger Pau Monne 2019-04-23 39 xen_efi_init(boot_params);
8cee3974b35bfb2 Maran Wilson 2018-12-10 40 }
a43fb7da53007e6 Maran Wilson 2018-12-10 41
a43fb7da53007e6 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
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 29423 bytes --]
next reply other threads:[~2021-11-07 4:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-07 4:28 kernel test robot [this message]
2021-11-07 4:28 ` 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 --
2021-11-18 19:02 kernel test robot
2021-11-18 19:02 ` kernel test robot
2021-10-06 6:00 kernel test robot
2021-10-06 6:00 ` kernel test robot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202111071227.RChIcejZ-lkp@intel.com \
--to=lkp@intel.com \
--cc=jandryuk@gmail.com \
--cc=jgross@suse.com \
--cc=kbuild-all@lists.01.org \
--cc=linux-kernel@vger.kernel.org \
--cc=llvm@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.