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authorMark Brown <broonie@kernel.org>2021-10-19 18:22:10 +0100
committerWill Deacon <will@kernel.org>2021-10-21 10:18:17 +0100
commit059613f546b67423a5b49cb6e6fa8b72fbaa4e0b (patch)
tree0b3137f1efa37d92f628f65797661b236edd5a83 /arch/arm64/kernel/fpsimd.c
parentarm64/sve: Make access to FFR optional (diff)
downloadlinux-dev-059613f546b67423a5b49cb6e6fa8b72fbaa4e0b.tar.xz
linux-dev-059613f546b67423a5b49cb6e6fa8b72fbaa4e0b.zip
arm64/sve: Rename find_supported_vector_length()
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@kernel.org> Link: https://lore.kernel.org/r/20211019172247.3045838-6-broonie@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/fpsimd.c')
-rw-r--r--arch/arm64/kernel/fpsimd.c14
1 files 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;