include/asm-generic/simd.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002
0003 #include <linux/hardirq.h>
0004
0005 /*
0006  * may_use_simd - whether it is allowable at this time to issue SIMD
0007  *                instructions or access the SIMD register file
0008  *
0009  * As architectures typically don't preserve the SIMD register file when
0010  * taking an interrupt, !in_interrupt() should be a reasonable default.
0011  */
0012 static __must_check inline bool may_use_simd(void)
0013 {
0014     return !in_interrupt();
0015 }