cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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simd.h (436B)


      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 */
     12static __must_check inline bool may_use_simd(void)
     13{
     14	return !in_interrupt();
     15}