diff options
Diffstat (limited to 'common/include/linux/version_compat_defs.h')
| -rw-r--r-- | common/include/linux/version_compat_defs.h | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/common/include/linux/version_compat_defs.h b/common/include/linux/version_compat_defs.h index 335147c..c9b1f62 100644 --- a/common/include/linux/version_compat_defs.h +++ b/common/include/linux/version_compat_defs.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * - * (C) COPYRIGHT 2022 ARM Limited. All rights reserved. + * (C) COPYRIGHT 2022-2023 ARM Limited. All rights reserved. * * This program is free software and is provided to you under the terms of the * GNU General Public License version 2 as published by the Free Software @@ -48,4 +48,32 @@ typedef unsigned int __poll_t; #endif +#if KERNEL_VERSION(6, 1, 0) <= LINUX_VERSION_CODE +/* This is defined inside kbase for matching the default to kernel's + * mmap_min_addr, used inside file mali_kbase_mmap.c. + * Note: the value is set at compile time, matching a kernel's configuration + * value. It would not be able to track any runtime update of mmap_min_addr. + */ +#ifdef CONFIG_MMU +#define kbase_mmap_min_addr CONFIG_DEFAULT_MMAP_MIN_ADDR + +#ifdef CONFIG_LSM_MMAP_MIN_ADDR +#if (CONFIG_LSM_MMAP_MIN_ADDR > CONFIG_DEFAULT_MMAP_MIN_ADDR) +/* Replace the default definition with CONFIG_LSM_MMAP_MIN_ADDR */ +#undef kbase_mmap_min_addr +#define kbase_mmap_min_addr CONFIG_LSM_MMAP_MIN_ADDR +#pragma message "kbase_mmap_min_addr compiled to CONFIG_LSM_MMAP_MIN_ADDR, no runtime update!" +#endif /* (CONFIG_LSM_MMAP_MIN_ADDR > CONFIG_DEFAULT_MMAP_MIN_ADDR) */ +#endif /* CONFIG_LSM_MMAP_MIN_ADDR */ + +#if (kbase_mmap_min_addr == CONFIG_DEFAULT_MMAP_MIN_ADDR) +#pragma message "kbase_mmap_min_addr compiled to CONFIG_DEFAULT_MMAP_MIN_ADDR, no runtime update!" +#endif + +#else /* CONFIG_MMU */ +#define kbase_mmap_min_addr (0UL) +#pragma message "kbase_mmap_min_addr compiled to (0UL), no runtime update!" +#endif /* CONFIG_MMU */ +#endif /* KERNEL_VERSION(6, 1, 0) <= LINUX_VERSION_CODE */ + #endif /* _VERSION_COMPAT_DEFS_H_ */ |