30 lines
812 B
C
30 lines
812 B
C
#ifndef __KSU_H_KERNEL_COMPAT
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#define __KSU_H_KERNEL_COMPAT
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#include <linux/fs.h>
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#include <linux/version.h>
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/*
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* ksu_copy_from_user_retry
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* try nofault copy first, if it fails, try with plain
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* paramters are the same as copy_from_user
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* 0 = success
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*/
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static long ksu_copy_from_user_retry(void *to,
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const void __user *from, unsigned long count)
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{
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long ret = copy_from_user_nofault(to, from, count);
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if (likely(!ret))
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return ret;
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// we faulted! fallback to slow path
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return copy_from_user(to, from, count);
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}
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 2) // Android backport this feature in 5.10.2
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extern void ksu_seccomp_clear_cache(struct seccomp_filter *filter, int nr);
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extern void ksu_seccomp_allow_cache(struct seccomp_filter *filter, int nr);
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#endif
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#endif
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