Andy Chiu 5b6048f2ff
riscv: vector: use a mask to write vstate_ctrl
riscv_v_ctrl_set() should only touch bits within
PR_RISCV_V_VSTATE_CTRL_MASK. So, use the mask when we really set task's
vstate_ctrl.

Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20240115055929.4736-9-andy.chiu@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-16 07:14:00 -08:00
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