1 files changed, 13 insertions, 1 deletions

diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index d23b2d3ea384..49fd25a5f206 100644
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -206,5 +206,17 @@ int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 long subarch_ptrace(struct task_struct *child, long request,
                     unsigned long addr, unsigned long data)
 {
-        return -EIO;
+        int ret = -EIO;
+        void __user *datap = (void __user *) data;
+
+        switch (request) {
+        case PTRACE_GETFPXREGS: /* Get the child FPU state. */
+                ret = get_fpxregs(datap, child);
+                break;
+        case PTRACE_SETFPXREGS: /* Set the child FPU state. */
+                ret = set_fpxregs(datap, child);
+                break;
+        }
+
+        return ret;
 }