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authorHuang Ying <ying.huang@intel.com>2008-08-15 00:40:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-15 08:35:42 -0700
commitfb45daa69d287b394eca1619b3fadff7c0215c71 (patch)
treeaeb5a247b105d3b7e7ef2cdb0db5743574d9c480 /kernel/sys.c
parent163f6876f5c3ff8215e900b93779e960a56b3694 (diff)
kexec jump: check code size in control page
Kexec/Kexec-jump require code size in control page is less than PAGE_SIZE/2. This patch add link-time checking for this. ASSERT() of ld link script is used as the link-time checking mechanism. [akpm@linux-foundation.org: build fix] Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/sys.c')
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