* arch/x86/entry/common.c:527:24: warning: no previous prototype for 'do_SYSENTER_32'
@ 2021-09-28 17:55 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-09-28 17:55 UTC (permalink / raw)
To: Andy Lutomirski; +Cc: kbuild-all, linux-kernel, Thomas Gleixner
[-- Attachment #1: Type: text/plain, Size: 2833 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 6fd3ec5c7af58d5d6b598fba22ac387645af33f4
commit: d1721250f3ffed9afba3e1fb729947cec64c5a8a x86/entry: Move SYSENTER's regs->sp and regs->flags fixups into C
date: 1 year, 3 months ago
config: i386-randconfig-r036-20210927 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d1721250f3ffed9afba3e1fb729947cec64c5a8a
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d1721250f3ffed9afba3e1fb729947cec64c5a8a
# save the attached .config to linux build tree
make W=1 ARCH=i386
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/entry/common.c:280:24: warning: no previous prototype for 'prepare_exit_to_usermode' [-Wmissing-prototypes]
280 | __visible noinstr void prepare_exit_to_usermode(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/entry/common.c:342:24: warning: no previous prototype for 'syscall_return_slowpath' [-Wmissing-prototypes]
342 | __visible noinstr void syscall_return_slowpath(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~~~~~
arch/x86/entry/common.c:418:24: warning: no previous prototype for 'do_int80_syscall_32' [-Wmissing-prototypes]
418 | __visible noinstr void do_int80_syscall_32(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~
arch/x86/entry/common.c:463:24: warning: no previous prototype for 'do_fast_syscall_32' [-Wmissing-prototypes]
463 | __visible noinstr long do_fast_syscall_32(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~
>> arch/x86/entry/common.c:527:24: warning: no previous prototype for 'do_SYSENTER_32' [-Wmissing-prototypes]
527 | __visible noinstr long do_SYSENTER_32(struct pt_regs *regs)
| ^~~~~~~~~~~~~~
vim +/do_SYSENTER_32 +527 arch/x86/entry/common.c
525
526 /* Returns 0 to return using IRET or 1 to return using SYSEXIT/SYSRETL. */
> 527 __visible noinstr long do_SYSENTER_32(struct pt_regs *regs)
528 {
529 /* SYSENTER loses RSP, but the vDSO saved it in RBP. */
530 regs->sp = regs->bp;
531
532 /* SYSENTER clobbers EFLAGS.IF. Assume it was set in usermode. */
533 regs->flags |= X86_EFLAGS_IF;
534
535 return do_fast_syscall_32(regs);
536 }
537 #endif
538
---
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: 32937 bytes --]
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2021-09-28 17:55 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-09-28 17:55 arch/x86/entry/common.c:527:24: warning: no previous prototype for 'do_SYSENTER_32' kernel test robot
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).