The patch titled
Subject: s390: fix build error for sys_call_table_emu
has been added to the -mm tree. Its filename is
all-arch-remove-system-call-sys_sysctl-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/all-arch-remove-system-call-sys_sysctl-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/all-arch-remove-system-call-sys_sysctl-fix.patch
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------------------------------------------------------
From: Xiaoming Ni <nixiaoming@xxxxxxxxxx>
Subject: s390: fix build error for sys_call_table_emu
Build error on s390:
arch/s390/kernel/entry.o: in function `sys_call_table_emu':
>> (.rodata+0x1288): undefined reference to `__s390_'
In commit ("All arch: remove system call sys_sysctl")
148 common fdatasync sys_fdatasync sys_fdatasync
-149 common _sysctl sys_sysctl compat_sys_sysctl
+149 common _sysctl sys_ni_syscall
150 common mlock sys_mlock sys_mlock
After the patch is integrated, there is a format error in the generated
arch/s390/include/generated/asm/syscall_table.h:
SYSCALL(sys_fdatasync, sys_fdatasync)
SYSCALL(sys_ni_syscall,) /* cause build error */
SYSCALL(sys_mlock,sys_mlock)
According to the guidance of Heiko Carstens, use "-" to fill the empty
system call Similarly, modify
tools/perf/arch/s390/entry/syscalls/syscall.tbl.
Link: http://lkml.kernel.org/r/20200618141426.16884-1-nixiaoming@xxxxxxxxxx
Fixes: ("All arch: remove system call sys_sysctl")
Fixes: https://lore.kernel.org/linuxppc-dev/20200616030734.87257-1-nixiaoming@xxxxxxxxxx/
Signed-off-by: Xiaoming Ni <nixiaoming@xxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/s390/kernel/syscalls/syscall.tbl | 2 +-
tools/perf/arch/s390/entry/syscalls/syscall.tbl | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/arch/s390/kernel/syscalls/syscall.tbl~all-arch-remove-system-call-sys_sysctl-fix
+++ a/arch/s390/kernel/syscalls/syscall.tbl
@@ -138,7 +138,7 @@
146 common writev sys_writev compat_sys_writev
147 common getsid sys_getsid sys_getsid
148 common fdatasync sys_fdatasync sys_fdatasync
-149 common _sysctl sys_ni_syscall
+149 common _sysctl - -
150 common mlock sys_mlock sys_mlock
151 common munlock sys_munlock sys_munlock
152 common mlockall sys_mlockall sys_mlockall
--- a/tools/perf/arch/s390/entry/syscalls/syscall.tbl~all-arch-remove-system-call-sys_sysctl-fix
+++ a/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -138,7 +138,7 @@
146 common writev sys_writev compat_sys_writev
147 common getsid sys_getsid sys_getsid
148 common fdatasync sys_fdatasync sys_fdatasync
-149 common _sysctl sys_ni_syscall
+149 common _sysctl - -
150 common mlock sys_mlock compat_sys_mlock
151 common munlock sys_munlock compat_sys_munlock
152 common mlockall sys_mlockall sys_mlockall
_
Patches currently in -mm which might be from nixiaoming@xxxxxxxxxx are
all-arch-remove-system-call-sys_sysctl.patch
all-arch-remove-system-call-sys_sysctl-fix.patch
