Add unsafe_copy_ckfpr_from_user() and unsafe_copy_ckvsx_from_user()
Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
---
arch/powerpc/kernel/signal.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h
index 1393876f3814..a5152ff3c52f 100644
--- a/arch/powerpc/kernel/signal.h
+++ b/arch/powerpc/kernel/signal.h
@@ -100,6 +100,26 @@ unsigned long copy_ckfpr_from_user(struct task_struct
*task, void __user *from);
unsafe_put_user(__t->thread.ckfp_state.fpr[i][TS_VSRLOWOFFSET],
\
&buf[i], label);\
} while (0)
+
+#define unsafe_copy_ckfpr_from_user(task, from, label) do { \
+ struct task_struct *__t = task; \
+ u64 __user *buf = (u64 __user *)from; \
+ int i; \
+ \
+ for (i = 0; i < ELF_NFPREG - 1 ; i++) \
+ unsafe_get_user(__t->thread.TS_CKFPR(i), &buf[i], label);\
+ unsafe_get_user(__t->thread.ckfp_state.fpscr, &buf[i], failed); \
+} while (0)
+
+#define unsafe_copy_ckvsx_from_user(task, from, label) do { \
+ struct task_struct *__t = task; \
+ u64 __user *buf = (u64 __user *)from; \
+ int i; \
+ \
+ for (i = 0; i < ELF_NVSRHALFREG ; i++) \
+ unsafe_get_user(__t->thread.ckfp_state.fpr[i][TS_VSRLOWOFFSET],
\
+ &buf[i], label); \
+} while (0)
#endif
#elif defined(CONFIG_PPC_FPU_REGS)
--
2.25.0
