[PATCH v3 05/42] arm64/sve: Rename find_supported_vector_length()

Mark Brown broonie at kernel.org
Tue Oct 19 10:22:10 PDT 2021


The function has SVE specific checks in it and it will be more trouble
to add conditional code for SME than it is to simply rename it to be SVE
specific.

Signed-off-by: Mark Brown <broonie at kernel.org>
---
 arch/arm64/kernel/fpsimd.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 3d5d243c3f1c..25aa6f2386a1 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -337,7 +337,7 @@ static void fpsimd_save(void)
  * If things go wrong there's a bug somewhere, but try to fall back to a
  * safe choice.
  */
-static unsigned int find_supported_vector_length(unsigned int vl)
+static unsigned int find_supported_sve_vector_length(unsigned int vl)
 {
 	int bit;
 	int max_vl = sve_max_vl;
@@ -379,7 +379,7 @@ static int sve_proc_do_default_vl(struct ctl_table *table, int write,
 	if (!sve_vl_valid(vl))
 		return -EINVAL;
 
-	set_sve_default_vl(find_supported_vector_length(vl));
+	set_sve_default_vl(find_supported_sve_vector_length(vl));
 	return 0;
 }
 
@@ -598,7 +598,7 @@ int sve_set_vector_length(struct task_struct *task,
 	if (vl > SVE_VL_ARCH_MAX)
 		vl = SVE_VL_ARCH_MAX;
 
-	vl = find_supported_vector_length(vl);
+	vl = find_supported_sve_vector_length(vl);
 
 	if (flags & (PR_SVE_VL_INHERIT |
 		     PR_SVE_SET_VL_ONEXEC))
@@ -873,14 +873,14 @@ void __init sve_setup(void)
 	 * Sanity-check that the max VL we determined through CPU features
 	 * corresponds properly to sve_vq_map.  If not, do our best:
 	 */
-	if (WARN_ON(sve_max_vl != find_supported_vector_length(sve_max_vl)))
-		sve_max_vl = find_supported_vector_length(sve_max_vl);
+	if (WARN_ON(sve_max_vl != find_supported_sve_vector_length(sve_max_vl)))
+		sve_max_vl = find_supported_sve_vector_length(sve_max_vl);
 
 	/*
 	 * For the default VL, pick the maximum supported value <= 64.
 	 * VL == 64 is guaranteed not to grow the signal frame.
 	 */
-	set_sve_default_vl(find_supported_vector_length(64));
+	set_sve_default_vl(find_supported_sve_vector_length(64));
 
 	bitmap_andnot(tmp_map, sve_vq_partial_map, sve_vq_map,
 		      SVE_VQ_MAX);
@@ -1066,7 +1066,7 @@ void fpsimd_flush_thread(void)
 		if (WARN_ON(!sve_vl_valid(vl)))
 			vl = SVE_VL_MIN;
 
-		supported_vl = find_supported_vector_length(vl);
+		supported_vl = find_supported_sve_vector_length(vl);
 		if (WARN_ON(supported_vl != vl))
 			vl = supported_vl;
 
-- 
2.30.2




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