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kernel: added compatibility for non-GKI devices

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Co-authored-by: rsuntk <rsuntk@yukiprjkt.my.id>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
This commit is contained in:
ShirkNeko
2025-05-10 13:19:30 +08:00
parent 59e3675a36
commit 9d920e7cc5
20 changed files with 961 additions and 235 deletions
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35
kernel/kernel_compat.h
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@@ -3,9 +3,31 @@
#include <linux/fs.h>
#include <linux/version.h>
#include <linux/cred.h>
#include "ss/policydb.h"
#include "linux/key.h"
// for kernel without get_cred_rcu
#ifndef KSU_COMPAT_HAS_GET_CRED_RCU
static inline const struct cred *get_cred_rcu(const struct cred *cred)
{
struct cred *nonconst_cred = (struct cred *) cred;
if (!cred)
return NULL;
#ifdef KSU_COMPAT_ATOMIC_LONG
if (!atomic_long_inc_not_zero(&nonconst_cred->usage))
#else
if (!atomic_inc_not_zero(&nonconst_cred->usage))
#endif
return NULL;
validate_creds(cred);
#ifdef KSU_COMPAT_HAS_NONCONST_CRED
nonconst_cred->non_rcu = 0;
#endif
return cred;
}
#endif
/*
* Adapt to Huawei HISI kernel without affecting other kernels ,
* Huawei Hisi Kernel EBITMAP Enable or Disable Flag ,
@@ -20,10 +42,23 @@
#endif
#endif
// Checks for UH, KDP and RKP
#ifdef SAMSUNG_UH_DRIVER_EXIST
#if defined(CONFIG_UH) || defined(CONFIG_KDP) || defined(CONFIG_RKP)
#error "CONFIG_UH, CONFIG_KDP and CONFIG_RKP is enabled! Please disable or remove it before compile a kernel with KernelSU!"
#endif
#endif
extern long ksu_strncpy_from_user_nofault(char *dst,
const void __user *unsafe_addr,
long count);
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) || \
defined(CONFIG_IS_HW_HISI) || \
defined(CONFIG_KSU_ALLOWLIST_WORKAROUND)
extern struct key *init_session_keyring;
#endif
extern void ksu_android_ns_fs_check();
extern struct file *ksu_filp_open_compat(const char *filename, int flags,
umode_t mode);