s390/fpu: rename save_fpu_regs() to save_user_fpu_regs(), etc

Rename save_fpu_regs(), load_fpu_regs(), and struct thread_struct's fpu
member to save_user_fpu_regs(), load_user_fpu_regs(), and ufpu. This way
the function and variable names reflect for which context they are supposed
to be used.

This large and trivial conversion is a prerequisite for making the kernel
fpu usage preemptible.

Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/s390/kernel/perf_regs.c b/arch/s390/kernel/perf_regs.c
index c8e8fb728ddb..511349b8bc5c 100644
--- a/arch/s390/kernel/perf_regs.c
+++ b/arch/s390/kernel/perf_regs.c
@@ -20,9 +20,9 @@ u64 perf_reg_value(struct pt_regs *regs, int idx)
 
 		idx -= PERF_REG_S390_FP0;
 		if (cpu_has_vx())
-			fp = *(freg_t *)(current->thread.fpu.vxrs + idx);
+			fp = *(freg_t *)(current->thread.ufpu.vxrs + idx);
 		else
-			fp = current->thread.fpu.fprs[idx];
+			fp = current->thread.ufpu.fprs[idx];
 		return fp.ui;
 	}
 
@@ -64,6 +64,6 @@ void perf_get_regs_user(struct perf_regs *regs_user,
 	 */
 	regs_user->regs = task_pt_regs(current);
 	if (user_mode(regs_user->regs))
-		save_fpu_regs();
+		save_user_fpu_regs();
 	regs_user->abi = perf_reg_abi(current);
 }