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Merge pull request #1329 from sumanthkorikkar/s390-syscall-macro 

kpatch-syscall: update syscall macros for s390
This commit is contained in:
Josh Poimboeuf 2023-04-18 18:42:17 -05:00 committed by GitHub
parent 73cdcb15ab cc8e030641
commit b1809c1797
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1 changed files with 35 additions and 0 deletions
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35
kmod/patch/kpatch-syscall.h
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@ -82,6 +82,39 @@
#elif defined(CONFIG_S390)
/* arch/s390/include/asm/syscall_wrapper.h versions */
# if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 3, 0)
#define __KPATCH_S390_SYS_STUBx(x, name, ...) \
long __s390_sys##name(struct pt_regs *regs); \
ALLOW_ERROR_INJECTION(__s390_sys##name, ERRNO); \
static inline long ___se_sys##name(__MAP(x, __SC_LONG, __VA_ARGS__)); \
long __s390_sys##name(struct pt_regs *regs) \
{ \
return ___se_sys##name(SC_S390_REGS_TO_ARGS(x, __VA_ARGS__)); \
} \
static inline long ___se_sys##name(__MAP(x, __SC_LONG, __VA_ARGS__)) \
{ \
__MAP(x, __SC_TEST, __VA_ARGS__); \
return __kpatch_do_sys##name(__MAP(x, __SC_COMPAT_CAST, __VA_ARGS__)); \
}
#define __KPATCH_SYSCALL_DEFINEx(x, name, ...) \
long __s390x_sys##name(struct pt_regs *regs); \
ALLOW_ERROR_INJECTION(__s390x_sys##name, ERRNO); \
static inline long __se_sys##name(__MAP(x, __SC_LONG, __VA_ARGS__)); \
static inline long __kpatch_do_sys##name(__MAP(x, __SC_DECL, __VA_ARGS__)); \
__KPATCH_S390_SYS_STUBx(x, name, __VA_ARGS__); \
long __s390x_sys##name(struct pt_regs *regs) \
{ \
return __se_sys##name(SC_S390_REGS_TO_ARGS(x, __VA_ARGS__)); \
} \
static inline long __se_sys##name(__MAP(x, __SC_LONG, __VA_ARGS__)) \
{ \
__MAP(x, __SC_TEST, __VA_ARGS__); \
return __kpatch_do_sys##name(__MAP(x, __SC_CAST, __VA_ARGS__)); \
} \
static inline long __kpatch_do_sys##name(__MAP(x, __SC_DECL, __VA_ARGS__))
# else
#define __KPATCH_S390_SYS_STUBx(x, name, ...) \
long __s390_sys##name(struct pt_regs *regs); \
@ -114,6 +147,8 @@
__diag_pop(); \
static inline long __kpatch_do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#endif /* LINUX_VERSION_CODE */
#elif defined(CONFIG_PPC64)
/* arch/powerpc/include/asm/syscall_wrapper.h versions */