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Signed-off-by: Keir Fraser <keir@xen.org>
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Having it defined unilaterally as 'unsigned long' got me surprised
recently when I tried to use the 'z' printk type modifier, as that is
expected by the compiler to be used only on the type it knows size_t
is supposed to have.
Generally the compiler provides a construct to do this, so use it when
available.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
Acked-by: Christoph Egger <Christoph.Egger@amd.com>
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Not only is it less code to have them consolidated, it also permits
their use virtually everywhere (since config.h is required to be
included everywhere. (Shouldn't we, btw, follow Linux and remove the
explicit inclusion in favor of command line enforced one?)
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
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Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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This adds a new HVM op that enables tracking dirty bits of a range of
video RAM. The idea is to optimize just for the most common case
(only one guest mapping, with sometimes some temporary other
mappings), which permits to keep the overhead on shadow as low as
possible.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
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specifically for atomic test-and-modify operations on bool_t.
Signed-off-by: Keir Fraser <keir@xensource.com>
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to follow a new ocnsistent naming scheme.
gpfn is a guest pseudophys frame number.
gmfn is a machine frame number (from guest p.o.v.)
mfn is a real bona fide machine number.
pfn is an arbitrary frame number (used in general-purpose
'polymorphic' functions).
pfn_info now called page_info.
Signed-off-by: Keir Fraser <keir@xensource.com>
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Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Keir Fraser <keir@xensource.com>
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Signed-off-by: Keir Fraser <keir@xensource.com>
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Merge x86/32 and x86/64 string functions.
Signed-off-by: Keir Fraser <keir@xensource.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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Subject: PAE support
This patch adds initial support for PAE paging to xen.
This patch does:
* boot Xen itself with PAE paging enabled.
* add PAE support to the dom0 domain builder.
Some notes on the design and the changes:
* There are two new config options: CONFIG_X86_PAE (boolean,
same name Linux uses to simply things) and
CONFIG_PAGING_LEVELS (int, possible values are 2,3,4). I've
used #if CONFIG_PAGING_LEVELS for stuff which simply depends
on the number of paging levels in the code common for
x86-32/64, and CONFIG_X86_PAE for special PAE quirks or
i386-only stuff. I've tried to avoid ifdefs if possible
though, often I rearranged code to make it work in both
PAE and non-PAE case instead.
* idle_pg_table: 3rd level is statically initialized, 2nd
level is contignous in physical and virtual memory, so it can
be addressed linear (the dom0 builder uses the same trick to
simplify things a bit btw.). There are two new symbols:
idle_pg_table_l3 and idle_pg_table_l2 for the two tables.
idle_pg_table is aliased to the toplevel page table, i.e.
idle_pg_table_l3 in PAE mode and idle_pg_table_l2 in non-pae
mode. The idle l3 table is actually never ever touched after
boot, the l2 table is accessed via idle_pg_table_l2 and
addressed linear in both PAE and non-PAE mode.
* I've added a "intpte_t" type and a PRIpte define, modeled
after the C99 inttypes.h header, for page table entries.
Signed-off-by: Gerd Knorr <kraxel@bytesex.org>
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Rename memory allocator interfaces in Xen to avoid conflicts with
Linux namespace.
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Minor slab tweaks to move ever so slightly toward 2.6 and make ia64
(based on 2.6) easier. (NOTE! kmem_bufctl_t is now a short per 2.6!)
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More cleanups for x86-64.
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Many files:
More x86_64 stuff.
pda.h:
Rename: xen/include/asm-x86/x86_64/pda.h -> xen/include/asm-x86/pda.h
.del-config.h~ab742eeb14ad808f:
Delete: xen/include/asm-x86/x86_64/config.h
arch-x86_32.h:
Rename: xen/include/hypervisor-ifs/arch_x86_32.h -> xen/include/hypervisor-ifs/arch-x86_32.h
arch-x86_64.h:
Rename: xen/include/hypervisor-ifs/arch_x86_64.h -> xen/include/hypervisor-ifs/arch-x86_64.h
arch_x86_32.h:
Rename: xen/include/hypervisor-ifs/arch-x86/hypervisor-if.h -> xen/include/hypervisor-ifs/arch_x86_32.h
arch_x86_64.h:
Rename: xen/include/hypervisor-ifs/arch-x86_64/hypervisor-if.h -> xen/include/hypervisor-ifs/arch_x86_64.h
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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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