// SPDX-License-Identifier: GPL-2.0-only #include <asm/cpufeature.h> #include <asm/vendor_extensions.h> #include <asm/vendor_extensions/thead.h> #include <linux/array_size.h> #include <linux/cpumask.h> #include <linux/types.h> /* All T-Head vendor extensions supported in Linux */ static const struct riscv_isa_ext_data riscv_isa_vendor_ext_thead[] = { __RISCV_ISA_EXT_DATA(xtheadvector, RISCV_ISA_VENDOR_EXT_XTHEADVECTOR), }; struct riscv_isa_vendor_ext_data_list riscv_isa_vendor_ext_list_thead = { .ext_data_count = ARRAY_SIZE(riscv_isa_vendor_ext_thead), .ext_data = riscv_isa_vendor_ext_thead, }; void disable_xtheadvector(void) { int cpu; for_each_possible_cpu(cpu) clear_bit(RISCV_ISA_VENDOR_EXT_XTHEADVECTOR, riscv_isa_vendor_ext_list_thead.per_hart_isa_bitmap[cpu].isa); clear_bit(RISCV_ISA_VENDOR_EXT_XTHEADVECTOR, riscv_isa_vendor_ext_list_thead.all_harts_isa_bitmap.isa); }