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e8b7a5ca26
Use SPDX license GPL-V2.0 format and change Nvidia copyright year to include 2023. Bug 4078035 Change-Id: I4db6577ddb806690f6ec04f5eaf1364578102d14 Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2890635 Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com> Reviewed-by: Ketan Patil <ketanp@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
37 lines
696 B
C
37 lines
696 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2018-2023, NVIDIA CORPORATION. All rights reserved.
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*
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* place to add wrapper function to drop kasan scan
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*/
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#include <linux/export.h>
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#include <linux/types.h>
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#include <linux/io.h>
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#include "nvmap_ioctl.h"
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void kasan_memcpy_toio(void __iomem *to,
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const void *from, size_t count)
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{
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while (count && (!IS_ALIGNED((unsigned long)to, 8) ||
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!IS_ALIGNED((unsigned long)from, 8))) {
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__raw_writeb(*(u8 *)from, to);
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from++;
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to++;
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count--;
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}
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while (count >= 8) {
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__raw_writeq(*(u64 *)from, to);
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from += 8;
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to += 8;
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count -= 8;
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}
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while (count) {
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__raw_writeb(*(u8 *)from, to);
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from++;
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to++;
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count--;
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}
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}
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