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... using the new per-domain mapping management functions, adding
destroy_perdomain_mapping() to the previously introduced pair.
Rather than using an order-1 Xen heap allocation, use (currently 2)
individual domain heap pages to populate space in the per-domain
mapping area.
Also fix a benign off-by-one mistake in is_compat_arg_xlat_range().
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
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The emacs variable to set the C style from a local variable block is
c-file-style, not c-set-style.
Signed-off-by: David Vrabel <david.vrabel@citrix.com
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Introduce clear_user for x86 and ia64, shamelessly taken from Linux.
The x86 version is the 32 bit clear_user implementation. Introduce
clear_guest for x86 and ia64. The x86 implementation is based on
clear_user and a new clear_user_hvm function. The ia64 implementation
is actually in xencomm and it is based on xencomm_copy_to_guest.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Jan Beulich <JBeulich@suse.com>
Committed-by: Keir Fraser <keir@xen.org>
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... thus allowing to make the entries half their current size. Rather
than adjusting all instances to the new layout, abstract the
construction the table entries via a macro (paralleling a similar one
in recent Linux).
Also change the name of the section (to allow easier detection of
missed cases) and merge the final resulting output sections into
.data.read_mostly.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
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__copy_{to,from}_user_ll() for gcc 3.4 (asm output constraints all
need to be '=&').
Based on a patch by Jan Beulich.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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Merge x86/32 and x86/64 usercopy routines.
Signed-off-by: Keir Fraser <keir@xensource.com>
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More x86-64 stuff.
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Towards x86_64 support. Merged a bunch of the existing x86_64 stuff
back into a generic 'x86' architecture. Aim is to share as much
as possible between 32- and 64-bit worlds.
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