https://github.com/torvalds/linux
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Tip revision: 5b394b2ddf0347bef56e50c69a58773c94343ff3 authored by Linus Torvalds on 26 August 2018, 21:11:59 UTC
Linux 4.19-rc1
Tip revision: 5b394b2
simd.h
/* SPDX-License-Identifier: GPL-2.0 */

#include <linux/hardirq.h>

/*
 * may_use_simd - whether it is allowable at this time to issue SIMD
 *                instructions or access the SIMD register file
 *
 * As architectures typically don't preserve the SIMD register file when
 * taking an interrupt, !in_interrupt() should be a reasonable default.
 */
static __must_check inline bool may_use_simd(void)
{
	return !in_interrupt();
}
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