include/asm-generic/simd.h

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