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kernel:Add Huawei hisi check (#1545)

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Use huawei_hisi_check.h to determine whether it is an old Huawei
HiSilicon device.
Solve:  
1. Compatible with non-GKI Huawei HiSilicon devices
2. Solve different bugs in EMUI of different system versions
3. Does not affect other devices
This commit is contained in:
Coconut
2024-03-28 14:20:00 +08:00
committed by GitHub
parent 58416be4a5
commit 4f05fe226e
4 changed files with 22 additions and 19 deletions
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17
kernel/kernel_compat.h
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@@ -4,12 +4,27 @@
#include "linux/fs.h"
#include "linux/key.h"
#include "linux/version.h"
#include "ss/policydb.h"
/*
* Adapt to Huawei HISI kernel without affecting other kernels ,
* Huawei Hisi Kernel EBITMAP Enable or Disable Flag ,
* From ss/ebitmap.h
*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)) || \
(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0))
#ifdef HISI_SELINUX_EBITMAP_RO
#define CONFIG_IS_HW_HISI
#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)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) || defined(CONFIG_IS_HW_HISI)
extern struct key *init_session_keyring;
#endif