Andy Lutomirski a62c34bd2a x86, mm: Improve _install_special_mapping and fix x86 vdso naming ... Using arch_vma_name to give special mappings a name is awkward. x86 currently implements it by comparing the start address of the vma to the expected address of the vdso. This requires tracking the start address of special mappings and is probably buggy if a special vma is split or moved. Improve _install_special_mapping to just name the vma directly. Use it to give the x86 vvar area a name, which should make CRIU's life easier. As a side effect, the vvar area will show up in core dumps. This could be considered weird and is fixable. [hpa: I say we accept this as-is but be prepared to deal with knocking out the vvars from core dumps if this becomes a problem.] Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/276b39b6b645fb11e345457b503f17b83c2c6fd0.1400538962.git.luto@amacapital.net Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>		2014-05-20 11:38:42 -07:00
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asm	x86, mm: Improve _install_special_mapping and fix x86 vdso naming	2014-05-20 11:38:42 -07:00
uapi/asm	x86, vdso: Move the vvar and hpet mappings next to the 64-bit vDSO	2014-05-05 13:19:01 -07:00