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Refactoring KPM support to check KPM status using CMD_ENABLE_KPM

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ShirkNeko
2025-05-24 03:23:00 +08:00
parent a3a847a885
commit d9f54a8e42
2 changed files with 7 additions and 0 deletions
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6
kernel/core_hook.c
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@@ -435,6 +435,12 @@ int ksu_handle_prctl(int option, unsigned long arg2, unsigned long arg3,
return 0; return 0;
} }
#endif #endif
if (arg2 == CMD_ENABLE_KPM) {
bool KPM_Enabled = IS_ENABLED(CONFIG_KPM);
if (copy_to_user((void __user *)arg3, &KPM_Enabled, sizeof(KPM_Enabled)))
pr_info("KPM: copy_to_user() failed\n");
return 0;
}
// all other cmds are for 'root manager' // all other cmds are for 'root manager'
if (!from_manager) { if (!from_manager) {

1
kernel/ksu.h
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@@ -23,6 +23,7 @@
#define CMD_UID_SHOULD_UMOUNT 13 #define CMD_UID_SHOULD_UMOUNT 13
#define CMD_IS_SU_ENABLED 14 #define CMD_IS_SU_ENABLED 14
#define CMD_ENABLE_SU 15 #define CMD_ENABLE_SU 15
#define CMD_ENABLE_KPM 100
#define EVENT_POST_FS_DATA 1 #define EVENT_POST_FS_DATA 1
#define EVENT_BOOT_COMPLETED 2 #define EVENT_BOOT_COMPLETED 2