6 files changed, 10 insertions, 63 deletions

diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index b77fefaff9d..1a2793efdc4 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -265,67 +265,6 @@ SYSCALL_DEFINE5(n32_msgrcv, int, msqid, u32, msgp, size_t, msgsz,
 }
 #endif
 
-struct sysctl_args32
-{
-        compat_caddr_t name;
-        int nlen;
-        compat_caddr_t oldval;
-        compat_caddr_t oldlenp;
-        compat_caddr_t newval;
-        compat_size_t newlen;
-        unsigned int __unused[4];
-};
-
-#ifdef CONFIG_SYSCTL_SYSCALL
-
-SYSCALL_DEFINE1(32_sysctl, struct sysctl_args32 __user *, args)
-{
-        struct sysctl_args32 tmp;
-        int error;
-        size_t oldlen;
-        size_t __user *oldlenp = NULL;
-        unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7;
-
-        if (copy_from_user(&tmp, args, sizeof(tmp)))
-                return -EFAULT;
-
-        if (tmp.oldval && tmp.oldlenp) {
-                /* Duh, this is ugly and might not work if sysctl_args
-                   is in read-only memory, but do_sysctl does indirectly
-                   a lot of uaccess in both directions and we'd have to
-                   basically copy the whole sysctl.c here, and
-                   glibc's __sysctl uses rw memory for the structure
-                   anyway.  */
-                if (get_user(oldlen, (u32 __user *)A(tmp.oldlenp)) ||
-                    put_user(oldlen, (size_t __user *)addr))
-                        return -EFAULT;
-                oldlenp = (size_t __user *)addr;
-        }
-
-        lock_kernel();
-        error = do_sysctl((int __user *)A(tmp.name), tmp.nlen, (void __user *)A(tmp.oldval),
-                          oldlenp, (void __user *)A(tmp.newval), tmp.newlen);
-        unlock_kernel();
-        if (oldlenp) {
-                if (!error) {
-                        if (get_user(oldlen, (size_t __user *)addr) ||
-                            put_user(oldlen, (u32 __user *)A(tmp.oldlenp)))
-                                error = -EFAULT;
-                }
-                copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
-        }
-        return error;
-}
-
-#else
-
-SYSCALL_DEFINE1(32_sysctl, struct sysctl_args32 __user *, args)
-{
-        return -ENOSYS;
-}
-
-#endif /* CONFIG_SYSCTL_SYSCALL */
-
 SYSCALL_DEFINE1(32_newuname, struct new_utsname __user *, name)
 {
         int ret = 0;
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index fd2a9bb620d..17202bbe843 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -583,6 +583,7 @@ einval:	li	v0, -ENOSYS
         sys     sys_rt_tgsigqueueinfo   4
         sys     sys_perf_event_open     5
         sys     sys_accept4             4
+        sys     sys_recvmmsg            5
         .endm
 
         /* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 18bf7f32c5e..a8a6c596eb0 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -420,4 +420,5 @@ sys_call_table:
         PTR     sys_rt_tgsigqueueinfo
         PTR     sys_perf_event_open
         PTR     sys_accept4
+        PTR     sys_recvmmsg
         .size   sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 6ebc0797669..66b5a48676d 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -272,7 +272,7 @@ EXPORT(sysn32_call_table)
         PTR     sys_munlockall
         PTR     sys_vhangup                     /* 6150 */
         PTR     sys_pivot_root
-        PTR     sys_32_sysctl
+        PTR     compat_sys_sysctl
         PTR     sys_prctl
         PTR     compat_sys_adjtimex
         PTR     compat_sys_setrlimit            /* 6155 */
@@ -418,4 +418,5 @@ EXPORT(sysn32_call_table)
         PTR     compat_sys_rt_tgsigqueueinfo    /* 5295 */
         PTR     sys_perf_event_open
         PTR     sys_accept4
+        PTR     compat_sys_recvmmsg
         .size   sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 14dde4ca932..515f9eab2b2 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -356,7 +356,7 @@ sys_call_table:
         PTR     sys_ni_syscall                  /* 4150 */
         PTR     sys_getsid
         PTR     sys_fdatasync
-        PTR     sys_32_sysctl
+        PTR     compat_sys_sysctl
         PTR     sys_mlock
         PTR     sys_munlock                     /* 4155 */
         PTR     sys_mlockall
@@ -538,4 +538,5 @@ sys_call_table:
         PTR     compat_sys_rt_tgsigqueueinfo
         PTR     sys_perf_event_open
         PTR     sys_accept4
+        PTR     compat_sys_recvmmsg
         .size   sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 3fe1fcfa2e7..fe0d7980560 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -306,6 +306,7 @@ static inline int mips_atomic_set(struct pt_regs *regs,
 
         if (cpu_has_llsc && R10000_LLSC_WAR) {
                 __asm__ __volatile__ (
+                "       .set    mips3                                   \n"
                 "       li      %[err], 0                               \n"
                 "1:     ll      %[old], (%[addr])                       \n"
                 "       move    %[tmp], %[new]                          \n"
@@ -320,6 +321,7 @@ static inline int mips_atomic_set(struct pt_regs *regs,
                 "       "STR(PTR)"      1b, 4b                          \n"
                 "       "STR(PTR)"      2b, 4b                          \n"
                 "       .previous                                       \n"
+                "       .set    mips0                                   \n"
                 : [old] "=&r" (old),
                   [err] "=&r" (err),
                   [tmp] "=&r" (tmp)
@@ -329,6 +331,7 @@ static inline int mips_atomic_set(struct pt_regs *regs,
                 : "memory");
         } else if (cpu_has_llsc) {
                 __asm__ __volatile__ (
+                "       .set    mips3                                   \n"
                 "       li      %[err], 0                               \n"
                 "1:     ll      %[old], (%[addr])                       \n"
                 "       move    %[tmp], %[new]                          \n"
@@ -347,6 +350,7 @@ static inline int mips_atomic_set(struct pt_regs *regs,
                 "       "STR(PTR)"      1b, 5b                          \n"
                 "       "STR(PTR)"      2b, 5b                          \n"
                 "       .previous                                       \n"
+                "       .set    mips0                                   \n"
                 : [old] "=&r" (old),
                   [err] "=&r" (err),
                   [tmp] "=&r" (tmp)