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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suspend.c (492B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/* Copyright(c) 2022 Intel Corporation. All rights reserved. */
      3#include <linux/atomic.h>
      4#include <linux/export.h>
      5#include "cxlmem.h"
      6
      7static atomic_t mem_active;
      8
      9bool cxl_mem_active(void)
     10{
     11	return atomic_read(&mem_active) != 0;
     12}
     13
     14void cxl_mem_active_inc(void)
     15{
     16	atomic_inc(&mem_active);
     17}
     18EXPORT_SYMBOL_NS_GPL(cxl_mem_active_inc, CXL);
     19
     20void cxl_mem_active_dec(void)
     21{
     22	atomic_dec(&mem_active);
     23}
     24EXPORT_SYMBOL_NS_GPL(cxl_mem_active_dec, CXL);