sparc: Hook up userfaultfd system call

After hooking up system call, userfaultfd selftest was successful for
both 32 and 64 bit version of test.

Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h
index efe9479..f31a124 100644 (file)
--- a/arch/sparc/include/uapi/asm/unistd.h
+++ b/arch/sparc/include/uapi/asm/unistd.h
@@ -417,8 +417,9 @@
 #define __NR_bpf               349
 #define __NR_execveat          350
 #define __NR_membarrier                351
+#define __NR_userfaultfd       352
 
-#define NR_syscalls            352
+#define NR_syscalls            353
 
 /* Bitmask values returned from kern_features system call.  */
 #define KERN_FEATURE_MIXED_MODE_STACK  0x00000001

diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index cc23b62..78e8029 100644 (file)
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -87,4 +87,4 @@ sys_call_table:
 /*335*/        .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
 /*340*/        .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
 /*345*/        .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
-/*350*/        .long sys_execveat, sys_membarrier
+/*350*/        .long sys_execveat, sys_membarrier, sys_userfaultfd

diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index f229468..2549c2c 100644 (file)
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -88,7 +88,7 @@ sys_call_table32:
        .word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev
 /*340*/        .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
        .word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
-/*350*/        .word sys32_execveat, sys_membarrier
+/*350*/        .word sys32_execveat, sys_membarrier, sys_userfaultfd
 
 #endif /* CONFIG_COMPAT */
 
@@ -168,4 +168,4 @@ sys_call_table:
        .word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
 /*340*/        .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
        .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
-/*350*/        .word sys64_execveat, sys_membarrier
+/*350*/        .word sys64_execveat, sys_membarrier, sys_userfaultfd