.. | .. |
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| 1 | +/* SPDX-License-Identifier: GPL-2.0-only */ |
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1 | 2 | /* |
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2 | 3 | * Copyright (C) 2012 ARM Ltd. |
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3 | | - * |
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4 | | - * This program is free software; you can redistribute it and/or modify |
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5 | | - * it under the terms of the GNU General Public License version 2 as |
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6 | | - * published by the Free Software Foundation. |
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7 | | - * |
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8 | | - * This program is distributed in the hope that it will be useful, |
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9 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 | | - * GNU General Public License for more details. |
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12 | | - * |
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13 | | - * You should have received a copy of the GNU General Public License |
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14 | | - * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 | 4 | */ |
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16 | 5 | #ifndef __ASM_SPINLOCK_H |
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17 | 6 | #define __ASM_SPINLOCK_H |
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.. | .. |
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22 | 11 | /* See include/linux/spinlock.h */ |
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23 | 12 | #define smp_mb__after_spinlock() smp_mb() |
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24 | 13 | |
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| 14 | +/* |
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| 15 | + * Changing this will break osq_lock() thanks to the call inside |
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| 16 | + * smp_cond_load_relaxed(). |
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| 17 | + * |
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| 18 | + * See: |
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| 19 | + * https://lore.kernel.org/lkml/20200110100612.GC2827@hirez.programming.kicks-ass.net |
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| 20 | + */ |
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| 21 | +#define vcpu_is_preempted vcpu_is_preempted |
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| 22 | +static inline bool vcpu_is_preempted(int cpu) |
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| 23 | +{ |
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| 24 | + return false; |
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| 25 | +} |
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| 26 | + |
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25 | 27 | #endif /* __ASM_SPINLOCK_H */ |
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