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kernel: remove unused kernel_compat

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Co-authored-by: weishu <twsxtd@gmail.com>
This commit is contained in:
ShirkNeko
2025-11-08 19:39:41 +08:00
parent c307bf5614
commit e4d7c292d6
17 changed files with 213 additions and 74 deletions
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60
kernel/kernel_compat.c
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@@ -10,7 +10,7 @@
#endif
#include <linux/uaccess.h>
#include "klog.h" // IWYU pragma: keep
#include "kernel_compat.h" // Add check Huawei Device
#include "kernel_compat.h"
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) || \
defined(CONFIG_IS_HW_HISI) || \
@@ -132,61 +132,3 @@ long ksu_copy_from_user_nofault(void *dst, const void __user *src, size_t size)
return 0;
#endif
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 2) // Android backport this feature in 5.10.2
struct action_cache {
DECLARE_BITMAP(allow_native, NR_syscalls);
#ifdef SECCOMP_ARCH_COMPAT
DECLARE_BITMAP(allow_compat, SECCOMP_ARCH_COMPAT_NR);
#endif
};
struct seccomp_filter {
refcount_t refs;
refcount_t users;
bool log;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0)
bool wait_killable_recv;
#endif
struct action_cache cache;
struct seccomp_filter *prev;
struct bpf_prog *prog;
struct notification *notif;
struct mutex notify_lock;
wait_queue_head_t wqh;
};
void ksu_seccomp_clear_cache(struct seccomp_filter *filter, int nr)
{
if (!filter) {
return;
}
if (nr >= 0 && nr < NR_syscalls) {
clear_bit(nr, filter->cache.allow_native);
}
#ifdef SECCOMP_ARCH_COMPAT
if (nr >= 0 && nr < SECCOMP_ARCH_COMPAT_NR) {
clear_bit(nr, filter->cache.allow_compat);
}
#endif
}
void ksu_seccomp_allow_cache(struct seccomp_filter *filter, int nr)
{
if (!filter) {
return;
}
if (nr >= 0 && nr < NR_syscalls) {
set_bit(nr, filter->cache.allow_native);
}
#ifdef SECCOMP_ARCH_COMPAT
if (nr >= 0 && nr < SECCOMP_ARCH_COMPAT_NR) {
set_bit(nr, filter->cache.allow_compat);
}
#endif
}
#endif