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Message-ID: <CAKwvOdnREuOmN_Vinn8pn6fxEpjzCM1_=9tDzbd2z884GNLFeA@mail.gmail.com>
Date: Wed, 24 Jun 2020 16:03:48 -0700
From: Nick Desaulniers <ndesaulniers@...gle.com>
To: kernel test robot <lkp@...el.com>
Cc: Sami Tolvanen <samitolvanen@...gle.com>, Masahiro Yamada <masahiroy@...nel.org>, 
	Will Deacon <will@...nel.org>, kbuild-all@...ts.01.org, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Paul E. McKenney" <paulmck@...nel.org>, 
	Kees Cook <keescook@...omium.org>, 
	clang-built-linux <clang-built-linux@...glegroups.com>, 
	Kernel Hardening <kernel-hardening@...ts.openwall.com>, 
	linux-arch <linux-arch@...r.kernel.org>, 
	Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 11/22] pci: lto: fix PREL32 relocations

On Wed, Jun 24, 2020 at 3:50 PM kernel test robot <lkp@...el.com> wrote:
>
> Hi Sami,
>
> Thank you for the patch! Perhaps something to improve:
>
> [auto build test WARNING on 26e122e97a3d0390ebec389347f64f3730fdf48f]
>
> url:    https://github.com/0day-ci/linux/commits/Sami-Tolvanen/add-support-for-Clang-LTO/20200625-043816
> base:    26e122e97a3d0390ebec389347f64f3730fdf48f
> config: i386-alldefconfig (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
> reproduce (this is a W=1 build):
>         # save the attached .config to linux build tree
>         make W=1 ARCH=i386

Note: W=1 ^

>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
>
> All warnings (new ones prefixed by >>):
>
>    In file included from arch/x86/kernel/pci-dma.c:9:
> >> include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_via_no_dac190' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~

Should `stub` be qualified as `static inline`? https://godbolt.org/z/cPBXxW
Or should stub be declared in this header, but implemented in a .c
file?  (I'm guessing the former, since the `hook` callback comes from
the macro).

> >> include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
> >> include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
> >> include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
> >> include/linux/pci.h:1949:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1949 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
> >> arch/x86/kernel/pci-dma.c:154:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_CLASS_FINAL'
>      154 | DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_VIA, PCI_ANY_ID,
>          | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> --
>    In file included from arch/x86/kernel/quirks.c:6:
> >> include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_ich_force_enable_hpet180' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
> >> include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
> >> include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
> >> include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1976:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1976 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
> >> arch/x86/kernel/quirks.c:156:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_HEADER'
>      156 | DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB2_0,
>          | ^~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_ich_force_enable_hpet181' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
> >> include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
> >> include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
> >> include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1976:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1976 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/x86/kernel/quirks.c:158:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_HEADER'
>      158 | DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0,
>          | ^~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_ich_force_enable_hpet182' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
> >> include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
> >> include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
> >> include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1976:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1976 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/x86/kernel/quirks.c:160:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_HEADER'
>      160 | DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1,
>          | ^~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_ich_force_enable_hpet183' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
>    include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
>    include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1976:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1976 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/x86/kernel/quirks.c:162:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_HEADER'
>      162 | DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0,
>          | ^~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_ich_force_enable_hpet184' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
>    include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
>    include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1976:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1976 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/x86/kernel/quirks.c:164:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_HEADER'
>      164 | DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1,
>          | ^~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_ich_force_enable_hpet185' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
>    include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
>    include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1976:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1976 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/x86/kernel/quirks.c:166:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_HEADER'
>      166 | DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_31,
>          | ^~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_ich_force_enable_hpet186' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
>    include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
> --
>    In file included from drivers/pci/vpd.c:8:
> >> include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_quirk_f0_vpd_link180' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
> >> include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
> >> include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
> >> include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1941:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1941 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_early,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
> >> drivers/pci/vpd.c:543:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_CLASS_EARLY'
>      543 | DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, PCI_ANY_ID,
>          | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_quirk_blacklist_vpd181' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
> >> include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
> >> include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
> >> include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1979:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1979 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
> >> drivers/pci/vpd.c:560:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_FINAL'
>      560 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_LSI_LOGIC, 0x0060, quirk_blacklist_vpd);
>          | ^~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_quirk_blacklist_vpd182' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
> >> include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
> >> include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
> >> include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
> >> include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1979:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1979 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
>    drivers/pci/vpd.c:561:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_FINAL'
>      561 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_LSI_LOGIC, 0x007c, quirk_blacklist_vpd);
>          | ^~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_quirk_blacklist_vpd183' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
>    include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
>    include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1979:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1979 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
>    drivers/pci/vpd.c:562:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_FINAL'
>      562 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_LSI_LOGIC, 0x0413, quirk_blacklist_vpd);
>          | ^~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_quirk_blacklist_vpd184' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
>    include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
>    include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1979:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1979 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
>    drivers/pci/vpd.c:563:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_FINAL'
>      563 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_LSI_LOGIC, 0x0078, quirk_blacklist_vpd);
>          | ^~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_quirk_blacklist_vpd185' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                             ^~~~~~~~~~~~
>    include/linux/pci.h:1914:7: note: in definition of macro '___DECLARE_PCI_FIXUP_SECTION'
>     1914 |  void stub(struct pci_dev *dev) { hook(dev); }   \
>          |       ^~~~
>    include/linux/pci.h:1928:2: note: in expansion of macro '__DECLARE_PCI_FIXUP_SECTION'
>     1928 |  __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:29: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                             ^~~~~~~
>    include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
>       54 | #define __PASTE(a,b) ___PASTE(a,b)
>          |                      ^~~~~~~~
>    include/linux/compiler-gcc.h:72:37: note: in expansion of macro '__PASTE'
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
>          |                                     ^~~~~~~
>    include/linux/pci.h:1929:26: note: in expansion of macro '__UNIQUE_ID'
>     1929 |       class_shift, hook, __UNIQUE_ID(hook))
>          |                          ^~~~~~~~~~~
>    include/linux/pci.h:1979:2: note: in expansion of macro 'DECLARE_PCI_FIXUP_SECTION'
>     1979 |  DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,   \
>          |  ^~~~~~~~~~~~~~~~~~~~~~~~~
>    drivers/pci/vpd.c:564:1: note: in expansion of macro 'DECLARE_PCI_FIXUP_FINAL'
>      564 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_LSI_LOGIC, 0x0079, quirk_blacklist_vpd);
>          | ^~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/compiler-gcc.h:72:45: warning: no previous prototype for '__UNIQUE_ID_quirk_blacklist_vpd186' [-Wmissing-prototypes]
>       72 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
> ..
>
> vim +/__DECLARE_PCI_FIXUP_SECTION +1928 include/linux/pci.h
>
> ^1da177e4c3f415 Linus Torvalds 2005-04-16  1910
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21  1911  #ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
> b1b820bb0420d08 Sami Tolvanen  2020-06-24  1912  #define ___DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
> b1b820bb0420d08 Sami Tolvanen  2020-06-24  1913                                     class_shift, hook, stub)            \
> b1b820bb0420d08 Sami Tolvanen  2020-06-24 @1914         void stub(struct pci_dev *dev) { hook(dev); }                   \
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21  1915         asm(".section " #sec ", \"a\"                           \n"     \
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21  1916             ".balign    16                                      \n"     \
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21  1917             ".short "   #vendor ", " #device "                  \n"     \
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21  1918             ".long "    #class ", " #class_shift "              \n"     \
> b1b820bb0420d08 Sami Tolvanen  2020-06-24  1919             ".long "    #stub " - .                             \n"     \
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21  1920             ".previous                                          \n");
> b1b820bb0420d08 Sami Tolvanen  2020-06-24  1921
> b1b820bb0420d08 Sami Tolvanen  2020-06-24  1922  #define __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class,  \
> b1b820bb0420d08 Sami Tolvanen  2020-06-24  1923                                   class_shift, hook, stub)              \
> b1b820bb0420d08 Sami Tolvanen  2020-06-24  1924         ___DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class,  \
> b1b820bb0420d08 Sami Tolvanen  2020-06-24  1925                                   class_shift, hook, stub)
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21  1926  #define DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class,    \
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21  1927                                   class_shift, hook)                    \
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21 @1928         __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class,   \
> b1b820bb0420d08 Sami Tolvanen  2020-06-24 @1929                                   class_shift, hook, __UNIQUE_ID(hook))
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21  1930  #else
> ^1da177e4c3f415 Linus Torvalds 2005-04-16  1931  /* Anonymous variables would be nice... */
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1932  #define DECLARE_PCI_FIXUP_SECTION(section, name, vendor, device, class,        \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1933                                   class_shift, hook)                    \
> ecf61c78bd787b9 Michal Marek   2013-11-11  1934         static const struct pci_fixup __PASTE(__pci_fixup_##name,__LINE__) __used       \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1935         __attribute__((__section__(#section), aligned((sizeof(void *)))))    \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1936                 = { vendor, device, class, class_shift, hook };
> c9d8b55fa019162 Ard Biesheuvel 2018-08-21  1937  #endif
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1938
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1939  #define DECLARE_PCI_FIXUP_CLASS_EARLY(vendor, device, class,           \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1940                                          class_shift, hook)             \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1941         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_early,                     \
> ecf61c78bd787b9 Michal Marek   2013-11-11  1942                 hook, vendor, device, class, class_shift, hook)
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1943  #define DECLARE_PCI_FIXUP_CLASS_HEADER(vendor, device, class,          \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1944                                          class_shift, hook)             \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1945         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header,                    \
> ecf61c78bd787b9 Michal Marek   2013-11-11  1946                 hook, vendor, device, class, class_shift, hook)
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1947  #define DECLARE_PCI_FIXUP_CLASS_FINAL(vendor, device, class,           \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1948                                          class_shift, hook)             \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23 @1949         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,                     \
> ecf61c78bd787b9 Michal Marek   2013-11-11  1950                 hook, vendor, device, class, class_shift, hook)
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1951  #define DECLARE_PCI_FIXUP_CLASS_ENABLE(vendor, device, class,          \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1952                                          class_shift, hook)             \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1953         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_enable,                    \
> ecf61c78bd787b9 Michal Marek   2013-11-11  1954                 hook, vendor, device, class, class_shift, hook)
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1955  #define DECLARE_PCI_FIXUP_CLASS_RESUME(vendor, device, class,          \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1956                                          class_shift, hook)             \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1957         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume,                    \
> 0aa0f5d1084ca1c Bjorn Helgaas  2017-12-02  1958                 resume##hook, vendor, device, class, class_shift, hook)
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1959  #define DECLARE_PCI_FIXUP_CLASS_RESUME_EARLY(vendor, device, class,    \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1960                                          class_shift, hook)             \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1961         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume_early,              \
> 0aa0f5d1084ca1c Bjorn Helgaas  2017-12-02  1962                 resume_early##hook, vendor, device, class, class_shift, hook)
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1963  #define DECLARE_PCI_FIXUP_CLASS_SUSPEND(vendor, device, class,         \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1964                                          class_shift, hook)             \
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1965         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend,                   \
> 0aa0f5d1084ca1c Bjorn Helgaas  2017-12-02  1966                 suspend##hook, vendor, device, class, class_shift, hook)
> 7d2a01b87f1682f Andreas Noever 2014-06-03  1967  #define DECLARE_PCI_FIXUP_CLASS_SUSPEND_LATE(vendor, device, class,    \
> 7d2a01b87f1682f Andreas Noever 2014-06-03  1968                                          class_shift, hook)             \
> 7d2a01b87f1682f Andreas Noever 2014-06-03  1969         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend_late,              \
> 0aa0f5d1084ca1c Bjorn Helgaas  2017-12-02  1970                 suspend_late##hook, vendor, device, class, class_shift, hook)
> f4ca5c6a56278ca Yinghai Lu     2012-02-23  1971
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org



-- 
Thanks,
~Nick Desaulniers

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