* [linux-stable-rc:linux-4.19.y 1864/3681] arch/ia64/kernel/kprobes.c:414:17: error: implicit declaration of function '__kretprobe_trampoline_handler'; did you mean
@ 2021-03-17 15:16 kernel test robot
2021-03-18 0:49 ` Masami Hiramatsu
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2021-03-17 15:16 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 4008 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y
head: a636947af93f0a20fdba2c08ae38b7825ebf9c56
commit: d3380de483d55d904fb94a241406b34ed2fada7d [1864/3681] ia64: kprobes: Use generic kretprobe trampoline handler
config: ia64-randconfig-r015-20210317 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
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/stable/linux-stable-rc.git/commit/?id=d3380de483d55d904fb94a241406b34ed2fada7d
git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git fetch --no-tags linux-stable-rc linux-4.19.y
git checkout d3380de483d55d904fb94a241406b34ed2fada7d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from arch/ia64/include/asm/pgtable.h:154,
from include/linux/memremap.h:7,
from include/linux/mm.h:27,
from include/linux/kallsyms.h:12,
from include/linux/ftrace.h:11,
from include/linux/kprobes.h:42,
from arch/ia64/kernel/kprobes.c:26:
arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
arch/ia64/include/asm/mmu_context.h:137:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
137 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
| ^~~~~~~
arch/ia64/kernel/kprobes.c: In function 'get_kprobe_inst':
arch/ia64/kernel/kprobes.c:338:15: warning: variable 'template' set but not used [-Wunused-but-set-variable]
338 | unsigned int template;
| ^~~~~~~~
arch/ia64/kernel/kprobes.c: At top level:
arch/ia64/kernel/kprobes.c:412:15: warning: no previous prototype for 'trampoline_probe_handler' [-Wmissing-prototypes]
412 | int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/ia64/kernel/kprobes.c: In function 'trampoline_probe_handler':
>> arch/ia64/kernel/kprobes.c:414:17: error: implicit declaration of function '__kretprobe_trampoline_handler'; did you mean 'kretprobe_trampoline'? [-Werror=implicit-function-declaration]
414 | regs->cr_iip = __kretprobe_trampoline_handler(regs, kretprobe_trampoline, NULL);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| kretprobe_trampoline
At top level:
arch/ia64/kernel/kprobes.c:928:13: warning: 'ia64_get_bsp_cfm' defined but not used [-Wunused-function]
928 | static void ia64_get_bsp_cfm(struct unw_frame_info *info, void *arg)
| ^~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for NUMA
Depends on !IA64_HP_SIM && !FLATMEM
Selected by
- IA64_SGI_UV && <choice>
vim +414 arch/ia64/kernel/kprobes.c
411
412 int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
413 {
> 414 regs->cr_iip = __kretprobe_trampoline_handler(regs, kretprobe_trampoline, NULL);
415 /*
416 * By returning a non-zero value, we are telling
417 * kprobe_handler() that we don't want the post_handler
418 * to run (and have re-enabled preemption)
419 */
420 return 1;
421 }
422
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [linux-stable-rc:linux-4.19.y 1864/3681] arch/ia64/kernel/kprobes.c:414:17: error: implicit declaration of function '__kretprobe_trampoline_handler'; did you mean
2021-03-17 15:16 [linux-stable-rc:linux-4.19.y 1864/3681] arch/ia64/kernel/kprobes.c:414:17: error: implicit declaration of function '__kretprobe_trampoline_handler'; did you mean kernel test robot
@ 2021-03-18 0:49 ` Masami Hiramatsu
0 siblings, 0 replies; 2+ messages in thread
From: Masami Hiramatsu @ 2021-03-18 0:49 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 4412 bytes --]
Hello,
This depends on upstream commit 66ada2ccae4e ("kprobes: Add generic kretprobe trampoline handler").
Thank you,
On Wed, 17 Mar 2021 23:16:03 +0800
kernel test robot <lkp@intel.com> wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y
> head: a636947af93f0a20fdba2c08ae38b7825ebf9c56
> commit: d3380de483d55d904fb94a241406b34ed2fada7d [1864/3681] ia64: kprobes: Use generic kretprobe trampoline handler
> config: ia64-randconfig-r015-20210317 (attached as .config)
> compiler: ia64-linux-gcc (GCC) 9.3.0
> 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/stable/linux-stable-rc.git/commit/?id=d3380de483d55d904fb94a241406b34ed2fada7d
> git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
> git fetch --no-tags linux-stable-rc linux-4.19.y
> git checkout d3380de483d55d904fb94a241406b34ed2fada7d
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> In file included from arch/ia64/include/asm/pgtable.h:154,
> from include/linux/memremap.h:7,
> from include/linux/mm.h:27,
> from include/linux/kallsyms.h:12,
> from include/linux/ftrace.h:11,
> from include/linux/kprobes.h:42,
> from arch/ia64/kernel/kprobes.c:26:
> arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
> arch/ia64/include/asm/mmu_context.h:137:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
> 137 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
> | ^~~~~~~
> arch/ia64/kernel/kprobes.c: In function 'get_kprobe_inst':
> arch/ia64/kernel/kprobes.c:338:15: warning: variable 'template' set but not used [-Wunused-but-set-variable]
> 338 | unsigned int template;
> | ^~~~~~~~
> arch/ia64/kernel/kprobes.c: At top level:
> arch/ia64/kernel/kprobes.c:412:15: warning: no previous prototype for 'trampoline_probe_handler' [-Wmissing-prototypes]
> 412 | int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
> | ^~~~~~~~~~~~~~~~~~~~~~~~
> arch/ia64/kernel/kprobes.c: In function 'trampoline_probe_handler':
> >> arch/ia64/kernel/kprobes.c:414:17: error: implicit declaration of function '__kretprobe_trampoline_handler'; did you mean 'kretprobe_trampoline'? [-Werror=implicit-function-declaration]
> 414 | regs->cr_iip = __kretprobe_trampoline_handler(regs, kretprobe_trampoline, NULL);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> | kretprobe_trampoline
> At top level:
> arch/ia64/kernel/kprobes.c:928:13: warning: 'ia64_get_bsp_cfm' defined but not used [-Wunused-function]
> 928 | static void ia64_get_bsp_cfm(struct unw_frame_info *info, void *arg)
> | ^~~~~~~~~~~~~~~~
> cc1: some warnings being treated as errors
>
> Kconfig warnings: (for reference only)
> WARNING: unmet direct dependencies detected for NUMA
> Depends on !IA64_HP_SIM && !FLATMEM
> Selected by
> - IA64_SGI_UV && <choice>
>
>
> vim +414 arch/ia64/kernel/kprobes.c
>
> 411
> 412 int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
> 413 {
> > 414 regs->cr_iip = __kretprobe_trampoline_handler(regs, kretprobe_trampoline, NULL);
> 415 /*
> 416 * By returning a non-zero value, we are telling
> 417 * kprobe_handler() that we don't want the post_handler
> 418 * to run (and have re-enabled preemption)
> 419 */
> 420 return 1;
> 421 }
> 422
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
--
Masami Hiramatsu <mhiramat@kernel.org>
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2021-03-17 15:16 [linux-stable-rc:linux-4.19.y 1864/3681] arch/ia64/kernel/kprobes.c:414:17: error: implicit declaration of function '__kretprobe_trampoline_handler'; did you mean kernel test robot
2021-03-18 0:49 ` Masami Hiramatsu
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