diff mbox series

[v1,02/38] arm64/sve: Remove sve_load_from_fpsimd_state()

Message ID 20210930181144.10029-3-broonie@kernel.org
State Accepted
Commit b53223e0a4d9fbdba1a1dd1161f7240506666946
Headers show
Series arm64/sme: Initial support for the Scalable Matrix Extension | expand

Commit Message

Mark Brown Sept. 30, 2021, 6:11 p.m. UTC 
Following optimisations of the SVE register handling we no longer load the
SVE state from a saved copy of the FPSIMD registers, we convert directly
in registers or from one saved state to another. Remove the function so we
don't need to update it during further refactoring.

Signed-off-by: Mark Brown <broonie@kernel.org>
---
 arch/arm64/include/asm/fpsimd.h  |  2 --
 arch/arm64/kernel/entry-fpsimd.S | 16 ----------------
 2 files changed, 18 deletions(-)

-- 
2.20.1
diff mbox series

Patch

diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h
index 9a62884183e5..e0e30567b80f 100644
--- a/arch/arm64/include/asm/fpsimd.h
+++ b/arch/arm64/include/asm/fpsimd.h
@@ -69,8 +69,6 @@  extern void sve_save_state(void *state, u32 *pfpsr);
 extern void sve_load_state(void const *state, u32 const *pfpsr,
 			   unsigned long vq_minus_1);
 extern void sve_flush_live(unsigned long vq_minus_1);
-extern void sve_load_from_fpsimd_state(struct user_fpsimd_state const *state,
-				       unsigned long vq_minus_1);
 extern unsigned int sve_get_vl(void);
 extern void sve_set_vq(unsigned long vq_minus_1);
 
diff --git a/arch/arm64/kernel/entry-fpsimd.S b/arch/arm64/kernel/entry-fpsimd.S
index 196e921f61de..afbf7dc47e1d 100644
--- a/arch/arm64/kernel/entry-fpsimd.S
+++ b/arch/arm64/kernel/entry-fpsimd.S
@@ -66,22 +66,6 @@  SYM_FUNC_START(sve_set_vq)
 	ret
 SYM_FUNC_END(sve_set_vq)
 
-/*
- * Load SVE state from FPSIMD state.
- *
- * x0 = pointer to struct fpsimd_state
- * x1 = VQ - 1
- *
- * Each SVE vector will be loaded with the first 128-bits taken from FPSIMD
- * 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
-	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
  *