1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2a62b01cdSArd Biesheuvel 3a62b01cdSArd Biesheuvel #include <linux/hardirq.h> 4a62b01cdSArd Biesheuvel 5a62b01cdSArd Biesheuvel /* 6a62b01cdSArd Biesheuvel * may_use_simd - whether it is allowable at this time to issue SIMD 7a62b01cdSArd Biesheuvel * instructions or access the SIMD register file 8a62b01cdSArd Biesheuvel * 9a62b01cdSArd Biesheuvel * As architectures typically don't preserve the SIMD register file when 10a62b01cdSArd Biesheuvel * taking an interrupt, !in_interrupt() should be a reasonable default. 11a62b01cdSArd Biesheuvel */ may_use_simd(void)12a62b01cdSArd Biesheuvelstatic __must_check inline bool may_use_simd(void) 13a62b01cdSArd Biesheuvel { 14a62b01cdSArd Biesheuvel return !in_interrupt(); 15a62b01cdSArd Biesheuvel } 16