x86, doc: Clarify the use of asm("%edx") in uaccess.h

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Put in a comment that explains that the use of asm("%edx") in
uaccess.h doesn't actually necessarily mean %edx alone.

Cc: Jamie Lokier <jamie@shareable.org>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: H. J. Lu <hjl.tools@gmail.com>
Link: http://lkml.kernel.org/r/511ACDFB.1050707@zytor.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

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H. Peter Anvin 2013-02-12 15:37:02 -08:00

parent 3578baaed4

commit ff52c3b02b

1 changed files with 8 additions and 1 deletions

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arch/x86/include/asm/uaccess.h

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