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author | Avi Kivity <avi@redhat.com> | 2012-08-22 13:03:48 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-07 08:27:27 -0700 |
commit | 368d53159311622b2555a34666f8ecd7ab8da765 (patch) | |
tree | d2292f956eaeb174b8eb40642f25f9aa94cdb9a4 /arch/x86/mm/physaddr.c | |
parent | 42cc576bf229579bea30acb0a2e41e44c77a2901 (diff) | |
download | kernel_samsung_smdk4412-368d53159311622b2555a34666f8ecd7ab8da765.zip kernel_samsung_smdk4412-368d53159311622b2555a34666f8ecd7ab8da765.tar.gz kernel_samsung_smdk4412-368d53159311622b2555a34666f8ecd7ab8da765.tar.bz2 |
x86/alternatives: Fix p6 nops on non-modular kernels
commit cb09cad44f07044d9810f18f6f9a6a6f3771f979 upstream.
Probably a leftover from the early days of self-patching, p6nops
are marked __initconst_or_module, which causes them to be
discarded in a non-modular kernel. If something later triggers
patching, it will overwrite kernel code with garbage.
Reported-by: Tomas Racek <tracek@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Cc: Michael Tokarev <mjt@tls.msk.ru>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: Anthony Liguori <anthony@codemonkey.ws>
Cc: H. Peter Anvin <hpa@linux.intel.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Alan Cox <alan@linux.intel.com>
Link: http://lkml.kernel.org/r/5034AE84.90708@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Ben Jencks <ben@bjencks.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/mm/physaddr.c')
0 files changed, 0 insertions, 0 deletions