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| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
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| 1 | 2 | /* |
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| 2 | 3 | * vDSO implementation for Hexagon |
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| 3 | 4 | * |
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| 4 | 5 | * Copyright (c) 2011, The Linux Foundation. All rights reserved. |
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| 5 | | - * |
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| 6 | | - * This program is free software; you can redistribute it and/or modify |
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| 7 | | - * it under the terms of the GNU General Public License version 2 and |
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| 8 | | - * only version 2 as published by the Free Software Foundation. |
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| 9 | | - * |
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| 10 | | - * This program is distributed in the hope that it will be useful, |
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| 11 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | | - * GNU General Public License for more details. |
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| 14 | | - * |
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| 15 | | - * You should have received a copy of the GNU General Public License |
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| 16 | | - * along with this program; if not, write to the Free Software |
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| 17 | | - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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| 18 | | - * 02110-1301, USA. |
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| 19 | 6 | */ |
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| 20 | 7 | |
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| 21 | 8 | #include <linux/err.h> |
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| .. | .. |
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| 65 | 52 | unsigned long vdso_base; |
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| 66 | 53 | struct mm_struct *mm = current->mm; |
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| 67 | 54 | |
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| 68 | | - if (down_write_killable(&mm->mmap_sem)) |
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| 55 | + if (mmap_write_lock_killable(mm)) |
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| 69 | 56 | return -EINTR; |
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| 70 | 57 | |
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| 71 | 58 | /* Try to get it loaded right near ld.so/glibc. */ |
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| .. | .. |
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| 89 | 76 | mm->context.vdso = (void *)vdso_base; |
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| 90 | 77 | |
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| 91 | 78 | up_fail: |
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| 92 | | - up_write(&mm->mmap_sem); |
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| 79 | + mmap_write_unlock(mm); |
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| 93 | 80 | return ret; |
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| 94 | 81 | } |
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| 95 | 82 | |
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