arm64/fpsimd: Remove spurious check for SVE support

There is no need to check for SVE support when changing vector lengths,
even if the system is SME only we still need SVE storage for the streaming
SVE state.

Fixes: d4d5be94a878 ("arm64/fpsimd: Ensure SME storage is allocated after SVE VL changes")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240115-arm64-sve-enabled-check-v1-1-a26360b00f6d@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 505f389be3e0df09d5afa2c803a7e8b235d02e2a..0983be2b1b6144191781f76917b3d6b3681ac888 100644 (file)
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -898,10 +898,8 @@ int vec_set_vector_length(struct task_struct *task, enum vec_type type,
         * allocate SVE now in case it is needed for use in streaming
         * mode.
         */
-       if (system_supports_sve()) {
-               sve_free(task);
-               sve_alloc(task, true);
-       }
+       sve_free(task);
+       sve_alloc(task, true);
 
        if (free_sme)
                sme_free(task);