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Merge branch 'work.uaccess-unaligned' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull uacess-unaligned removal from Al Viro:
 "That stuff had just one user, and an exotic one, at that - binfmt_flat
  on arm and m68k"

* 'work.uaccess-unaligned' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  kill {__,}{get,put}_user_unaligned()
  binfmt_flat: flat_{get,put}_addr_from_rp() should be able to fail
This commit is contained in:
Linus Torvalds
2017-07-15 11:17:52 -07:00
parent 2173bd0631 3170d8d226
commit 89cbec71fe
24 changed files with 168 additions and 450 deletions
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15
arch/c6x/include/asm/flat.h
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@@ -1,11 +1,22 @@
#ifndef __ASM_C6X_FLAT_H
#define __ASM_C6X_FLAT_H
#include <asm/unaligned.h>
#define flat_argvp_envp_on_stack() 0
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
#define flat_get_addr_from_rp(rp, relval, flags, p) get_unaligned(rp)
#define flat_put_addr_at_rp(rp, val, relval) put_unaligned(val, rp)
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
u32 *addr, u32 *persistent)
{
*addr = get_unaligned((__force u32 *)rp);
return 0;
}
static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
{
put_unaligned(addr, (__force u32 *)rp);
return 0;
}
#define flat_get_relocate_addr(rel) (rel)
#define flat_set_persistent(relval, p) 0