diff options
author | Ilya Leoshkevich <iii@linux.ibm.com> | 2020-07-22 23:58:54 +0200 |
---|---|---|
committer | Heiko Carstens <hca@linux.ibm.com> | 2020-07-27 10:33:28 +0200 |
commit | 73d6eb48d26930f0cbdc8bf1ccb0ad964e7d2b90 (patch) | |
tree | 4cde972f30659982c9c0d4e79960b41021c368c1 /arch/s390/include/asm/ptrace.h | |
parent | 4631f3ca493a7c8f9f31aef45fc0fc0e182155b7 (diff) |
s390: enable HAVE_FUNCTION_ERROR_INJECTION
This kernel feature is required for enabling BPF_KPROBE_OVERRIDE.
Define override_function_with_return() and regs_set_return_value()
functions, and fix compile errors in syscall_wrapper.h.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/ptrace.h')
-rw-r--r-- | arch/s390/include/asm/ptrace.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h index f009a13afe71..16b3e4396312 100644 --- a/arch/s390/include/asm/ptrace.h +++ b/arch/s390/include/asm/ptrace.h @@ -184,5 +184,10 @@ static inline unsigned long kernel_stack_pointer(struct pt_regs *regs) return regs->gprs[15]; } +static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc) +{ + regs->gprs[2] = rc; +} + #endif /* __ASSEMBLY__ */ #endif /* _S390_PTRACE_H */ |