* drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for function 'efi_snprintf'
@ 2026-09-09 7:00 kernel test robot
2026-09-09 7:12 ` Ard Biesheuvel
0 siblings, 1 reply; 4+ messages in thread
From: kernel test robot @ 2026-09-09 7:00 UTC (permalink / raw)
To: Ard Biesheuvel; +Cc: oe-kbuild-all, 0day robot
tree: https://github.com/intel-lab-lkp/linux/commits/Ard-Biesheuvel/x86-boot-Drop-pointless-re-implementation-of-panic/20260906-150819
head: c551ec0edb0b057c415d5530905c288523a9bde8
commit: c551ec0edb0b057c415d5530905c288523a9bde8 efi/libstub: Add efi_snprintf() to construct wide strings
date: 3 days ago
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20260909/202609090804.938npPl7-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260909/202609090804.938npPl7-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609090804.938npPl7-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/firmware/efi/libstub/vsprintf.c:274:5: warning: no previous prototype for function 'efi_vsnprintf' [-Wmissing-prototypes]
274 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char *fmt, va_list ap,
| ^
drivers/firmware/efi/libstub/vsprintf.c:274:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
274 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char *fmt, va_list ap,
| ^
| static
>> drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for function 'efi_snprintf' [-Wmissing-prototypes]
511 | int efi_snprintf(efi_char16_t *buf, size_t size, const char *fmt, ...)
| ^
drivers/firmware/efi/libstub/vsprintf.c:511:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
511 | int efi_snprintf(efi_char16_t *buf, size_t size, const char *fmt, ...)
| ^
| static
2 warnings generated.
vim +/efi_snprintf +511 drivers/firmware/efi/libstub/vsprintf.c
510
> 511 int efi_snprintf(efi_char16_t *buf, size_t size, const char *fmt, ...)
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for function 'efi_snprintf'
2026-09-09 7:00 drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for function 'efi_snprintf' kernel test robot
@ 2026-09-09 7:12 ` Ard Biesheuvel
2026-09-09 7:44 ` Philip Li
0 siblings, 1 reply; 4+ messages in thread
From: Ard Biesheuvel @ 2026-09-09 7:12 UTC (permalink / raw)
To: kernel test robot; +Cc: oe-kbuild-all
Please stop spamming me with reports about code that appeared
on one of my branches for a brief period, was apparently pulled
into some intel LKP branch but was never submitted by me for any
kind of review.
Thanks.
On Wed, 9 Sep 2026, at 09:00, kernel test robot wrote:
> tree:
> https://github.com/intel-lab-lkp/linux/commits/Ard-Biesheuvel/x86-boot-Drop-pointless-re-implementation-of-panic/20260906-150819
> head: c551ec0edb0b057c415d5530905c288523a9bde8
> commit: c551ec0edb0b057c415d5530905c288523a9bde8 efi/libstub: Add
> efi_snprintf() to construct wide strings
> date: 3 days ago
> config: loongarch-allyesconfig
> (https://download.01.org/0day-ci/archive/20260909/202609090804.938npPl7-lkp@intel.com/config)
> compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project
> ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
> reproduce (this is a W=1 build):
> (https://download.01.org/0day-ci/archive/20260909/202609090804.938npPl7-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new
> version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes:
> https://lore.kernel.org/oe-kbuild-all/202609090804.938npPl7-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
> drivers/firmware/efi/libstub/vsprintf.c:274:5: warning: no previous
> prototype for function 'efi_vsnprintf' [-Wmissing-prototypes]
> 274 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char
> *fmt, va_list ap,
> | ^
> drivers/firmware/efi/libstub/vsprintf.c:274:1: note: declare
> 'static' if the function is not intended to be used outside of this
> translation unit
> 274 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char
> *fmt, va_list ap,
> | ^
> | static
>>> drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for function 'efi_snprintf' [-Wmissing-prototypes]
> 511 | int efi_snprintf(efi_char16_t *buf, size_t size, const char
> *fmt, ...)
> | ^
> drivers/firmware/efi/libstub/vsprintf.c:511:1: note: declare
> 'static' if the function is not intended to be used outside of this
> translation unit
> 511 | int efi_snprintf(efi_char16_t *buf, size_t size, const char
> *fmt, ...)
> | ^
> | static
> 2 warnings generated.
>
>
> vim +/efi_snprintf +511 drivers/firmware/efi/libstub/vsprintf.c
>
> 510
> > 511 int efi_snprintf(efi_char16_t *buf, size_t size, const char *fmt, ...)
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for function 'efi_snprintf'
2026-09-09 7:12 ` Ard Biesheuvel
@ 2026-09-09 7:44 ` Philip Li
2026-09-09 7:47 ` Ard Biesheuvel
0 siblings, 1 reply; 4+ messages in thread
From: Philip Li @ 2026-09-09 7:44 UTC (permalink / raw)
To: Ard Biesheuvel; +Cc: kernel test robot, oe-kbuild-all
On Wed, Sep 09, 2026 at 09:12:46AM +0200, Ard Biesheuvel wrote:
> Please stop spamming me with reports about code that appeared
> on one of my branches for a brief period, was apparently pulled
> into some intel LKP branch but was never submitted by me for any
> kind of review.
Sorry for the spam, I will configure the bot to avoid sending such
report.
>
> Thanks.
>
>
> On Wed, 9 Sep 2026, at 09:00, kernel test robot wrote:
> > tree:
> > https://github.com/intel-lab-lkp/linux/commits/Ard-Biesheuvel/x86-boot-Drop-pointless-re-implementation-of-panic/20260906-150819
> > head: c551ec0edb0b057c415d5530905c288523a9bde8
> > commit: c551ec0edb0b057c415d5530905c288523a9bde8 efi/libstub: Add
> > efi_snprintf() to construct wide strings
> > date: 3 days ago
> > config: loongarch-allyesconfig
> > (https://download.01.org/0day-ci/archive/20260909/202609090804.938npPl7-lkp@intel.com/config)
> > compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project
> > ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
> > reproduce (this is a W=1 build):
> > (https://download.01.org/0day-ci/archive/20260909/202609090804.938npPl7-lkp@intel.com/reproduce)
> >
> > If you fix the issue in a separate patch/commit (i.e. not just a new
> > version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@intel.com>
> > | Closes:
> > https://lore.kernel.org/oe-kbuild-all/202609090804.938npPl7-lkp@intel.com/
> >
> > All warnings (new ones prefixed by >>):
> >
> > drivers/firmware/efi/libstub/vsprintf.c:274:5: warning: no previous
> > prototype for function 'efi_vsnprintf' [-Wmissing-prototypes]
> > 274 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char
> > *fmt, va_list ap,
> > | ^
> > drivers/firmware/efi/libstub/vsprintf.c:274:1: note: declare
> > 'static' if the function is not intended to be used outside of this
> > translation unit
> > 274 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char
> > *fmt, va_list ap,
> > | ^
> > | static
> >>> drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for function 'efi_snprintf' [-Wmissing-prototypes]
> > 511 | int efi_snprintf(efi_char16_t *buf, size_t size, const char
> > *fmt, ...)
> > | ^
> > drivers/firmware/efi/libstub/vsprintf.c:511:1: note: declare
> > 'static' if the function is not intended to be used outside of this
> > translation unit
> > 511 | int efi_snprintf(efi_char16_t *buf, size_t size, const char
> > *fmt, ...)
> > | ^
> > | static
> > 2 warnings generated.
> >
> >
> > vim +/efi_snprintf +511 drivers/firmware/efi/libstub/vsprintf.c
> >
> > 510
> > > 511 int efi_snprintf(efi_char16_t *buf, size_t size, const char *fmt, ...)
> >
> > --
> > 0-DAY CI Kernel Test Service
> > https://github.com/intel/lkp-tests/wiki
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for function 'efi_snprintf'
2026-09-09 7:44 ` Philip Li
@ 2026-09-09 7:47 ` Ard Biesheuvel
0 siblings, 0 replies; 4+ messages in thread
From: Ard Biesheuvel @ 2026-09-09 7:47 UTC (permalink / raw)
To: Philip Li; +Cc: kernel test robot, oe-kbuild-all
On Wed, 9 Sep 2026, at 09:44, Philip Li wrote:
> On Wed, Sep 09, 2026 at 09:12:46AM +0200, Ard Biesheuvel wrote:
>> Please stop spamming me with reports about code that appeared
>> on one of my branches for a brief period, was apparently pulled
>> into some intel LKP branch but was never submitted by me for any
>> kind of review.
>
> Sorry for the spam, I will configure the bot to avoid sending such
> report.
>
Thank you Philip.
>>
>> Thanks.
>>
>>
>> On Wed, 9 Sep 2026, at 09:00, kernel test robot wrote:
>> > tree:
>> > https://github.com/intel-lab-lkp/linux/commits/Ard-Biesheuvel/x86-boot-Drop-pointless-re-implementation-of-panic/20260906-150819
>> > head: c551ec0edb0b057c415d5530905c288523a9bde8
>> > commit: c551ec0edb0b057c415d5530905c288523a9bde8 efi/libstub: Add
>> > efi_snprintf() to construct wide strings
>> > date: 3 days ago
>> > config: loongarch-allyesconfig
>> > (https://download.01.org/0day-ci/archive/20260909/202609090804.938npPl7-lkp@intel.com/config)
>> > compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project
>> > ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
>> > reproduce (this is a W=1 build):
>> > (https://download.01.org/0day-ci/archive/20260909/202609090804.938npPl7-lkp@intel.com/reproduce)
>> >
>> > If you fix the issue in a separate patch/commit (i.e. not just a new
>> > version of
>> > the same patch/commit), kindly add following tags
>> > | Reported-by: kernel test robot <lkp@intel.com>
>> > | Closes:
>> > https://lore.kernel.org/oe-kbuild-all/202609090804.938npPl7-lkp@intel.com/
>> >
>> > All warnings (new ones prefixed by >>):
>> >
>> > drivers/firmware/efi/libstub/vsprintf.c:274:5: warning: no previous
>> > prototype for function 'efi_vsnprintf' [-Wmissing-prototypes]
>> > 274 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char
>> > *fmt, va_list ap,
>> > | ^
>> > drivers/firmware/efi/libstub/vsprintf.c:274:1: note: declare
>> > 'static' if the function is not intended to be used outside of this
>> > translation unit
>> > 274 | int efi_vsnprintf(efi_char16_t *buf, size_t size, const char
>> > *fmt, va_list ap,
>> > | ^
>> > | static
>> >>> drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for function 'efi_snprintf' [-Wmissing-prototypes]
>> > 511 | int efi_snprintf(efi_char16_t *buf, size_t size, const char
>> > *fmt, ...)
>> > | ^
>> > drivers/firmware/efi/libstub/vsprintf.c:511:1: note: declare
>> > 'static' if the function is not intended to be used outside of this
>> > translation unit
>> > 511 | int efi_snprintf(efi_char16_t *buf, size_t size, const char
>> > *fmt, ...)
>> > | ^
>> > | static
>> > 2 warnings generated.
>> >
>> >
>> > vim +/efi_snprintf +511 drivers/firmware/efi/libstub/vsprintf.c
>> >
>> > 510
>> > > 511 int efi_snprintf(efi_char16_t *buf, size_t size, const char *fmt, ...)
>> >
>> > --
>> > 0-DAY CI Kernel Test Service
>> > https://github.com/intel/lkp-tests/wiki
>>
^ permalink raw reply [flat|nested] 4+ messages in thread
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2026-09-09 7:00 drivers/firmware/efi/libstub/vsprintf.c:511:5: warning: no previous prototype for function 'efi_snprintf' kernel test robot
2026-09-09 7:12 ` Ard Biesheuvel
2026-09-09 7:44 ` Philip Li
2026-09-09 7:47 ` Ard Biesheuvel
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