/* U3copy_to_user.S: UltraSparc-III optimized copy to userspace.
 *
 * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
 */

#define EX_ST(x,y)		\
98:	x;			\
	.section __ex_table,"a";\
	.align 4;		\
	.word 98b, y;		\
	.text;			\
	.align 4;

#define EX_ST_FP(x,y)		\
98:	x;			\
	.section __ex_table,"a";\
	.align 4;		\
	.word 98b, y##_fp;	\
	.text;			\
	.align 4;

#define FUNC_NAME		U3copy_to_user
#define STORE(type,src,addr)	type##a src, [addr] ASI_AIUS
#define STORE_BLK(src,addr)	stda src, [addr] ASI_BLK_AIUS
#define EX_RETVAL(x)		0

	/* Writing to %asi is _expensive_ so we hardcode it.
	 * Reading %asi to check for KERNEL_DS is comparatively
	 * cheap.
	 */
#define PREAMBLE					\
	rd		%asi, %g1;			\
	cmp		%g1, ASI_AIUS;			\
	bne,pn		%icc, ___copy_in_user;		\
	 nop;						\

#include "U3memcpy.S"
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<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-09-10 09:18:33 -0700</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-09-10 09:18:33 -0700</td></tr>
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<div class='commit-subject'>Merge tag 'for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4</div><div class='commit-msg'>Pull fscrypto fixes fromTed Ts'o:
 "Fix some brown-paper-bag bugs for fscrypto, including one one which
  allows a malicious user to set an encryption policy on an empty
  directory which they do not own"

* tag 'for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  fscrypto: require write access to mount to set encryption policy
  fscrypto: only allow setting encryption policy on directories
  fscrypto: add authorization check for setting encryption policy
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