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| author | Richard Henderson <richard.henderson@linaro.org> | 2025-03-12 10:36:39 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2025-04-23 14:08:17 -0700 |
| commit | 4d3ad3c3ba1f1e9c217d0581e4913a59ef2ac15f (patch) | |
| tree | 01b4b565c4b342976e36504bd9e89a977b3dc6a1 /include | |
| parent | 87f8eb1d30050d6df6cbd0c61eee6dc836451370 (diff) | |
| download | qemu-4d3ad3c3ba1f1e9c217d0581e4913a59ef2ac15f.zip qemu-4d3ad3c3ba1f1e9c217d0581e4913a59ef2ac15f.tar.gz qemu-4d3ad3c3ba1f1e9c217d0581e4913a59ef2ac15f.tar.bz2 | |
include/exec: Split out mmap-lock.h
Split out mmap_lock, et al from page-protection.h
to a new header.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/exec/mmap-lock.h | 33 | ||||
| -rw-r--r-- | include/exec/page-protection.h | 22 |
2 files changed, 33 insertions, 22 deletions
diff --git a/include/exec/mmap-lock.h b/include/exec/mmap-lock.h new file mode 100644 index 0000000..50ffdab --- /dev/null +++ b/include/exec/mmap-lock.h @@ -0,0 +1,33 @@ +/* + * QEMU user-only mmap lock, with stubs for system mode + * + * Copyright (c) 2003 Fabrice Bellard + * + * SPDX-License-Identifier: LGPL-2.1-or-later + */ +#ifndef EXEC_MMAP_LOCK_H +#define EXEC_MMAP_LOCK_H + +#ifdef CONFIG_USER_ONLY + +void TSA_NO_TSA mmap_lock(void); +void TSA_NO_TSA mmap_unlock(void); +bool have_mmap_lock(void); + +static inline void mmap_unlock_guard(void *unused) +{ + mmap_unlock(); +} + +#define WITH_MMAP_LOCK_GUARD() \ + for (int _mmap_lock_iter __attribute__((cleanup(mmap_unlock_guard))) \ + = (mmap_lock(), 0); _mmap_lock_iter == 0; _mmap_lock_iter = 1) + +#else + +static inline void mmap_lock(void) {} +static inline void mmap_unlock(void) {} +#define WITH_MMAP_LOCK_GUARD() + +#endif /* CONFIG_USER_ONLY */ +#endif /* EXEC_MMAP_LOCK_H */ diff --git a/include/exec/page-protection.h b/include/exec/page-protection.h index 3e0a8a0..c43231a 100644 --- a/include/exec/page-protection.h +++ b/include/exec/page-protection.h @@ -38,26 +38,4 @@ */ #define PAGE_PASSTHROUGH 0x0800 -#ifdef CONFIG_USER_ONLY - -void TSA_NO_TSA mmap_lock(void); -void TSA_NO_TSA mmap_unlock(void); -bool have_mmap_lock(void); - -static inline void mmap_unlock_guard(void *unused) -{ - mmap_unlock(); -} - -#define WITH_MMAP_LOCK_GUARD() \ - for (int _mmap_lock_iter __attribute__((cleanup(mmap_unlock_guard))) \ - = (mmap_lock(), 0); _mmap_lock_iter == 0; _mmap_lock_iter = 1) -#else - -static inline void mmap_lock(void) {} -static inline void mmap_unlock(void) {} -#define WITH_MMAP_LOCK_GUARD() - -#endif /* !CONFIG_USER_ONLY */ - #endif |