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Merge r7600 from trunk

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git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/3.3.x@7781 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2018-11-04 19:56:37 +00:00
parent 4a07f36e8c
commit bac0b7ec85
1 changed files with 33 additions and 0 deletions
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33
scst/include/backport.h
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@@ -774,6 +774,39 @@ static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
}
#endif
/*
* See also commit 8eb8284b4129 ("usercopy: Prepare for usercopy
* whitelisting").
*/
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23)
static inline struct kmem_cache *kmem_cache_create_usercopy(const char *name,
unsigned int size, unsigned int align,
unsigned long flags,
unsigned int useroffset, unsigned int usersize,
void (*ctor)(void *))
{
return kmem_cache_create(name, size, align, flags, ctor, NULL);
}
#elif LINUX_VERSION_CODE < KERNEL_VERSION(4, 16, 0)
static inline struct kmem_cache *kmem_cache_create_usercopy(const char *name,
unsigned int size, unsigned int align,
unsigned long flags,
unsigned int useroffset, unsigned int usersize,
void (*ctor)(void *))
{
return kmem_cache_create(name, size, align, flags, ctor);
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 16, 0)
#define KMEM_CACHE_USERCOPY(__struct, __flags, __field) \
kmem_cache_create_usercopy(#__struct, \
sizeof(struct __struct), \
__alignof__(struct __struct), (__flags), \
offsetof(struct __struct, __field), \
sizeof_field(struct __struct, __field), NULL)
#endif
/* <linux/t10-pi.h> */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)