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Diffstat (limited to 'arch/mips/kernel/scall64-o32.S')
-rw-r--r--arch/mips/kernel/scall64-o32.S21
1 files changed, 7 insertions, 14 deletions
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index f543ff4feef9..6369cfd390c6 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -87,6 +87,7 @@ loads_done:
and t0, t1, t0
bnez t0, trace_a_syscall
+syscall_common:
jalr t2 # Do The Real Thing (TM)
li t0, -EMAXERRNO - 1 # error?
@@ -130,9 +131,9 @@ trace_a_syscall:
1: jal syscall_trace_enter
- bltz v0, 2f # seccomp failed? Skip syscall
+ bltz v0, 1f # seccomp failed? Skip syscall
- move t0, s0
+ move t2, s0
RESTORE_STATIC
ld a0, PT_R4(sp) # Restore argument registers
ld a1, PT_R5(sp)
@@ -142,19 +143,9 @@ trace_a_syscall:
ld a5, PT_R9(sp)
ld a6, PT_R10(sp)
ld a7, PT_R11(sp) # For indirect syscalls
- jalr t0
+ j syscall_common
- li t0, -EMAXERRNO - 1 # error?
- sltu t0, t0, v0
- sd t0, PT_R7(sp) # set error flag
- beqz t0, 1f
-
- ld t1, PT_R2(sp) # syscall number
- dnegu v0 # error
- sd t1, PT_R0(sp) # save it for syscall restarting
-1: sd v0, PT_R2(sp) # result
-
-2: j syscall_exit
+1: j syscall_exit
/* ------------------------------------------------------------------------ */
@@ -584,4 +575,6 @@ EXPORT(sys32_call_table)
PTR sys_memfd_create
PTR sys_bpf /* 4355 */
PTR compat_sys_execveat
+ PTR sys_userfaultfd
+ PTR sys_membarrier
.size sys32_call_table,.-sys32_call_table