**NOTE**: This obviates the need for lowmem_emergency_pool.
Unpriv guests no longer need to be able to allocate memory
below 4GB for PAE PDPTs.
Signed-off-by: Keir Fraser <keir@xensource.com>
This fixes the native build.
Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
--HG--
rename : linux-2.6-xen-sparse/include/asm-x86_64/e820.h => linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/e820.h
On the ES7000 when Dom0 boots up with all of system memory and you try
to bring up a DomU with more than 2GB of memory, xend times out before
the memory is freed causing the domain not to be created. This patch
increases the timeout depending on the amount of memory that needs to be
freed. It also places a cap on the sleep time so that it does not grow
without a limit. This fixes bug# 650
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=3D650
Signed-off-by: Aravindh Puthiyaparambil
<aravindh.puthiyaparambil@unisys.com>
1: Adopt an abstract layer for periodic time on top of different
HV time device models like PIT, RTC and ACPI time.
2: Extract VMM knowledge from PIT DM code and keep close with
qemu for easy maintain in future.
3: Use guest time (TSC) to drive PIT CLK that helps us to remove
a lot of extra logic previously introduced to convert from host time to
guest time.
4: Some cleanup for SMP code like move cache_tsc_offset to per VP.
Signed-off-by: Eddie Dong <eddie.dong@intel.com>
into a context structure. This context can then be handed to
callback operations.
Based on an original patch from Mats Petersson <mats.petersson@amd.com>
Signed-off-by: Keir Fraser <keir@xensource.com>
The tristate backend_state really only needs to be a boolean. In fact
other virtualisation network drivers such as the s390 already model this
using netif_carrier_*. So by converting backend_state over to the net
carrier flag we can tap into existing infrastructure rather than creating
new ones.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
CD drives in PIO mode don't work under Xen because of a change in Linux
between 2.6.12 and 2.6.16, as a result of the following thread:
http://lists.parisc-linux.org/pipermail/parisc-linux/2005-August/027197.html
The change breaks systems which have highmem and a swiotlb because the
ide-cd driver doesn't use the swiotlb, resulting in read/writes to/from
highmem pages in PIO mode not working any longer. Xen kernels usually have
both highmem and a swiotlb.
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
support of foreign domain page mapping of DOMID_XEN and DOMID_IO.
This patch is needed for xentrace and xenmon.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
fix dirty_bit in linux-2.6-xen-sparse/arch/ia64/xen/xenivt.S
there was itc.d left which wasn't para-virtualized.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
There'll be better way to prevent bogus driver to register with
an empty irq line. But for now, disable in buildconfig is easier.
Signed-off-by Kevin Tian <kevin.tian@intel.com>
This patch adds support for ptc.l emulation for xenlinux.
In 2.6.16 kernel it flush_tlb_range will call global_tlb_purge
directly, so ptc.l shouldn't be used when CONFIG_SMP enable.
But in order to enhance performance (maybe), 2.6.17 kernel in
smp environment will do mm check first. If mm is current->active_mm
and the mm (corresponding process) just runs on the local processor,
kernel only needs to do ptc.l at local processor instead of global purge.
So ptc.l emulation is necessary for 2.6.17 kernel.
Signed-off-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
We should not panic the domain for an EINVAL return from the ioremap
hyerpcall. This was only meant for ENOSYS. Long term this is probably
not the best place for this kind of sanity checking.
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
xenLinux/ia64 privcmd mmap uses pseudo physical address space.
it used alloc_pages() to allocate the space.
It wastes dom0 memory and sometimes several hundreds megabytes is
allocated depending on domU memory size.
With this patch xenLinux/ia64 trys to find the region which can be
used safely and uses the reasion.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
