#ifndef __ASM_GENERIC_UNALIGNED_H
#define __ASM_GENERIC_UNALIGNED_H

/*
 * This is the most generic implementation of unaligned accesses
 * and should work almost anywhere.
 */
#include <asm/byteorder.h>

/* Set by the arch if it can handle unaligned accesses in hardware. */
#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
# include <linux/unaligned/access_ok.h>
#endif

#if defined(__LITTLE_ENDIAN)
# ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
#  include <linux/unaligned/le_struct.h>
#  include <linux/unaligned/be_byteshift.h>
# endif
# include <linux/unaligned/generic.h>
# define get_unaligned	__get_unaligned_le
# define put_unaligned	__put_unaligned_le
#elif defined(__BIG_ENDIAN)
# ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
#  include <linux/unaligned/be_struct.h>
#  include <linux/unaligned/le_byteshift.h>
# endif
# include <linux/unaligned/generic.h>
# define get_unaligned	__get_unaligned_be
# define put_unaligned	__put_unaligned_be
#else
# error need to define endianess
#endif

#endif /* __ASM_GENERIC_UNALIGNED_H */
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<tr><th>author</th><td>Russell King &lt;rmk+kernel@armlinux.org.uk&gt;</td><td class='right'>2016-05-30 23:14:56 +0100</td></tr>
<tr><th>committer</th><td>Russell King &lt;rmk+kernel@armlinux.org.uk&gt;</td><td class='right'>2016-06-02 14:18:56 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation/arm?id=e2dfb4b880146bfd4b6aa8e138c0205407cebbaf'>e2dfb4b880146bfd4b6aa8e138c0205407cebbaf</a> (<a href='/cgit.cgi/linux/net-next.git/patch/Documentation/arm?id=e2dfb4b880146bfd4b6aa8e138c0205407cebbaf'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=e2dfb4b880146bfd4b6aa8e138c0205407cebbaf'>c85508f8da9fe817b0cf78e3647050be4e9612a9</a> /<a href='/cgit.cgi/linux/net-next.git/tree/Documentation/arm?id=e2dfb4b880146bfd4b6aa8e138c0205407cebbaf'>Documentation/arm</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation/arm?id=ec953b70f368330e806a94df6fe2dd1d72176b2d'>ec953b70f368330e806a94df6fe2dd1d72176b2d</a> (<a href='/cgit.cgi/linux/net-next.git/diff/Documentation/arm?id=e2dfb4b880146bfd4b6aa8e138c0205407cebbaf&amp;id2=ec953b70f368330e806a94df6fe2dd1d72176b2d'>diff</a>)</td></tr></table>
<div class='commit-subject'>ARM: fix PTRACE_SETVFPREGS on SMP systems</div><div class='commit-msg'>PTRACE_SETVFPREGS fails to properly mark the VFP register set to be
reloaded, because it undoes one of the effects of vfp_flush_hwstate().

Specifically vfp_flush_hwstate() sets thread-&gt;vfpstate.hard.cpu to
an invalid CPU number, but vfp_set() overwrites this with the original
CPU number, thereby rendering the hardware state as apparently "valid",
even though the software state is more recent.

Fix this by reverting the previous change.

Cc: &lt;stable@vger.kernel.org&gt;
Fixes: 8130b9d7b9d8 ("ARM: 7308/1: vfp: flush thread hwstate before copying ptrace registers")
Acked-by: Will Deacon &lt;will.deacon@arm.com&gt;
Tested-by: Simon Marchi &lt;simon.marchi@ericsson.com&gt;
Signed-off-by: Russell King &lt;rmk+kernel@armlinux.org.uk&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=e2dfb4b880146bfd4b6aa8e138c0205407cebbaf'>Diffstat</a> (limited to 'Documentation/arm')</div><table summary='diffstat' class='diffstat'>