kpatch-syscall: Fix kpatch s390 error when CONFIG_COMPAT is disabled #1431
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…abled When CONFIG_COMPAT is disabled (No 31 bit emulation support), macro __S390_SYS_STUBx() is nop. (See arch/s390/include/asm/syscall_wrapper.h). Also, __SC_COMPAT_CAST definition is not available, which leads to build error. Hence, __KPATCH_S390_SYS_STUBx() inherited from __S390_SYS_STUBx() macro, should point also point to nop when CONFIG_COMPAT is disabled. Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
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Thanks, @sumanthkorikkar !
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When CONFIG_COMPAT is disabled (No 31 bit emulation support), macro __S390_SYS_STUBx() is nop.
(See arch/s390/include/asm/syscall_wrapper.h).
Also, __SC_COMPAT_CAST definition is not available, which leads to build error.
Hence, __KPATCH_S390_SYS_STUBx() inherited from __S390_SYS_STUBx() macro, should point also point to nop when CONFIG_COMPAT is disabled.