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43dbbaaad7
Provide a macro for preventing CPU speculation. bug 2039126 CVE-2017-5753 Change-Id: Ifa936c079d9f2a0231d0cf35c4d8bdd18d54b238 Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1640497 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/*
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* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __NVGPU_BARRIER_LINUX_H__
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#define __NVGPU_BARRIER_LINUX_H__
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#include <asm/barrier.h>
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#define __nvgpu_mb() mb()
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#define __nvgpu_rmb() rmb()
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#define __nvgpu_wmb() wmb()
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#define __nvgpu_smp_mb() smp_mb()
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#define __nvgpu_smp_rmb() smp_rmb()
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#define __nvgpu_smp_wmb() smp_wmb()
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#define __nvgpu_read_barrier_depends() read_barrier_depends()
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#define __nvgpu_smp_read_barrier_depends() smp_read_barrier_depends()
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#define __NV_ACCESS_ONCE(x) ACCESS_ONCE(x)
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#define __nvgpu_speculation_barrier() speculation_barrier()
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#endif /* __NVGPU_BARRIER_LINUX_H__ */
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