Thread (9 messages) 9 messages, 3 authors, 2021-05-12

Re: [PATCH v2 2/3] arm64/sve: Use the sve_flush macros in sve_load_from_fpsimd_state()

From: Dave Martin <Dave.Martin@arm.com>
Date: 2021-05-12 13:43:26

On Tue, May 11, 2021 at 05:04:45PM +0100, Mark Brown wrote:
This makes the code a bit clearer and as a result we can also make the
indentation more normal, there is no change to the generated code.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
quoted hunk ↗ jump to hunk
---
 arch/arm64/kernel/entry-fpsimd.S | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/kernel/entry-fpsimd.S b/arch/arm64/kernel/entry-fpsimd.S
index 7921d58427c2..dd8382e5ce82 100644
--- a/arch/arm64/kernel/entry-fpsimd.S
+++ b/arch/arm64/kernel/entry-fpsimd.S
@@ -63,11 +63,10 @@ SYM_FUNC_END(sve_set_vq)
  * and the rest zeroed. All the other SVE registers will be zeroed.
  */
 SYM_FUNC_START(sve_load_from_fpsimd_state)
-		sve_load_vq	x1, x2, x3
-		fpsimd_restore	x0, 8
- _for n, 0, 15, _sve_pfalse	\n
-		_sve_wrffr	0
-		ret
+	sve_load_vq	x1, x2, x3
+	fpsimd_restore	x0, 8
+	sve_flush_p_ffr
+	ret
 SYM_FUNC_END(sve_load_from_fpsimd_state)
 
 /* Zero all SVE registers but the first 128-bits of each vector */
-- 
2.20.1


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