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regset: kill ->get()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2020-06-16 15:34:20 -04:00
parent dcad7854fc
commit 1e6986c9db
2 changed files with 5 additions and 41 deletions
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22
include/linux/regset.h
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@@ -82,27 +82,6 @@ static inline int membuf_write(struct membuf *s, const void *v, size_t size)
typedef int user_regset_active_fn(struct task_struct *target,
const struct user_regset *regset);
/**
* user_regset_get_fn - type of @get function in &struct user_regset
* @target: thread being examined
* @regset: regset being examined
* @pos: offset into the regset data to access, in bytes
* @count: amount of data to copy, in bytes
* @kbuf: if not %NULL, a kernel-space pointer to copy into
* @ubuf: if @kbuf is %NULL, a user-space pointer to copy into
*
* Fetch register values. Return %0 on success; -%EIO or -%ENODEV
* are usual failure returns. The @pos and @count values are in
* bytes, but must be properly aligned. If @kbuf is non-null, that
* buffer is used and @ubuf is ignored. If @kbuf is %NULL, then
* ubuf gives a userland pointer to access directly, and an -%EFAULT
* return value is possible.
*/
typedef int user_regset_get_fn(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf);
typedef int user_regset_get2_fn(struct task_struct *target,
const struct user_regset *regset,
struct membuf to);
@@ -235,7 +214,6 @@ typedef unsigned int user_regset_get_size_fn(struct task_struct *target,
* omitted when there is an @active function and it returns zero.
*/
struct user_regset {
user_regset_get_fn *get;
user_regset_get2_fn *regset_get;
user_regset_set_fn *set;
user_regset_active_fn *active;