Staging
v0.5.1
https://github.com/torvalds/linux
Raw File
Tip revision: e19b205be43d11bff638cad4487008c48d21c103 authored by Linus Torvalds on 24 September 2017, 23:38:56 UTC
Linux 4.14-rc2
Tip revision: e19b205
simd.h

#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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