[IA64] Wire up kcmp syscall

systemd > 218 fails to compile on ia64 with:

     error: ‘__NR_kcmp’ undeclared [1].

I've been told that this is because the kcmp syscall hasn't been wired up
for the ia64 arch [2].

The proposed patch thus wire up the kcmp syscall for the ia64 arch.

[1] https://bugs.gentoo.org/show_bug.cgi?id=560492
[2] https://bugs.gentoo.org/show_bug.cgi?id=560492#c17

Signed-off-by: Émeric MASCHINO <emeric.maschino@gmail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index 99c96a5e6016b50a951ba8dfccf609cb06962232..db73390568c8dd873fc045cd35773714bd35f8e1 100644 (file)
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -11,7 +11,7 @@
 
 
 
-#define NR_syscalls                    321 /* length of syscall table */
+#define NR_syscalls                    322 /* length of syscall table */
 
 /*
  * The following defines stop scripts/checksyscalls.sh from complaining about

diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h
index 98e94e19a5a0870fc71b34f85310f475de85697b..9038726e7d26777bf8f704f101ff86090e4d5059 100644 (file)
--- a/arch/ia64/include/uapi/asm/unistd.h
+++ b/arch/ia64/include/uapi/asm/unistd.h
@@ -334,5 +334,6 @@
 #define __NR_execveat                  1342
 #define __NR_userfaultfd               1343
 #define __NR_membarrier                        1344
+#define __NR_kcmp                      1345
 
 #endif /* _UAPI_ASM_IA64_UNISTD_H */

diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 37cc7a65cd3ee1fc3304d862776f438db4158b4d..dcd97f84d065435a8eca5c041f33bb67c3912797 100644 (file)
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1770,5 +1770,6 @@ sys_call_table:
        data8 sys_execveat
        data8 sys_userfaultfd
        data8 sys_membarrier
+       data8 sys_kcmp                          // 1345
 
        .org sys_call_table + 8*NR_syscalls     // guard against failures to increase NR_syscalls