Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
# HG changeset patch
# User andre.przywara@xxxxxxx
# Date 1186492260 -7200
# Node ID e730c1207604414f6f2779cc6adb213e3c1362eb
# Parent 0534ec5aa830c665ac95bc0750a22cd6c5413733
made HVM memory allocation CPU aware
diff -r 0534ec5aa830 -r e730c1207604 tools/ioemu/vl.c
--- a/tools/ioemu/vl.c Tue Aug 07 14:28:18 2007 +0200
+++ b/tools/ioemu/vl.c Tue Aug 07 15:11:00 2007 +0200
@@ -6847,7 +6847,7 @@ int set_mm_mapping(int xc_handle, uint32
}
err = xc_domain_memory_populate_physmap(xc_handle, domid, nr_pages, 0,
- address_bits, extent_start);
+ address_bits, XENMEM_DEFAULT_CPU, extent_start);
if (err) {
fprintf(stderr, "Failed to populate physmap\n");
return -1;
diff -r 0534ec5aa830 -r e730c1207604 tools/libxc/xc_dom_x86.c
--- a/tools/libxc/xc_dom_x86.c Tue Aug 07 14:28:18 2007 +0200
+++ b/tools/libxc/xc_dom_x86.c Tue Aug 07 15:11:00 2007 +0200
@@ -711,7 +711,7 @@ int arch_setup_meminit(struct xc_dom_ima
/* allocate guest memory */
rc = xc_domain_memory_populate_physmap(dom->guest_xc, dom->guest_domid,
dom->total_pages, 0, 0,
- dom->p2m_host);
+ XENMEM_DEFAULT_CPU, dom->p2m_host);
return rc;
}
diff -r 0534ec5aa830 -r e730c1207604 tools/libxc/xc_domain.c
--- a/tools/libxc/xc_domain.c Tue Aug 07 14:28:18 2007 +0200
+++ b/tools/libxc/xc_domain.c Tue Aug 07 15:11:00 2007 +0200
@@ -506,6 +506,7 @@ int xc_domain_memory_populate_physmap(in
unsigned long nr_extents,
unsigned int extent_order,
unsigned int address_bits,
+ unsigned int cpu,
xen_pfn_t *extent_start)
{
int err;
@@ -513,7 +514,8 @@ int xc_domain_memory_populate_physmap(in
.nr_extents = nr_extents,
.extent_order = extent_order,
.address_bits = address_bits,
- .domid = domid
+ .domid = domid,
+ .cpu = cpu
};
set_xen_guest_handle(reservation.extent_start, extent_start);
diff -r 0534ec5aa830 -r e730c1207604 tools/libxc/xc_domain_restore.c
--- a/tools/libxc/xc_domain_restore.c Tue Aug 07 14:28:18 2007 +0200
+++ b/tools/libxc/xc_domain_restore.c Tue Aug 07 15:11:00 2007 +0200
@@ -126,7 +126,7 @@ static int uncanonicalize_pagetable(int
/* Allocate the requisite number of mfns. */
if ( nr_mfns &&
(xc_domain_memory_populate_physmap(xc_handle, dom, nr_mfns, 0, 0,
- p2m_batch) != 0) )
+ XENMEM_DEFAULT_CPU, p2m_batch) != 0) )
{
ERROR("Failed to allocate memory for batch.!\n");
errno = ENOMEM;
@@ -495,7 +495,7 @@ int xc_domain_restore(int xc_handle, int
/* Now allocate a bunch of mfns for this batch */
if ( nr_mfns &&
(xc_domain_memory_populate_physmap(xc_handle, dom, nr_mfns, 0,
- 0, p2m_batch) != 0) )
+ 0, XENMEM_DEFAULT_CPU, p2m_batch) != 0) )
{
ERROR("Failed to allocate memory for batch.!\n");
errno = ENOMEM;
diff -r 0534ec5aa830 -r e730c1207604 tools/libxc/xc_hvm_build.c
--- a/tools/libxc/xc_hvm_build.c Tue Aug 07 14:28:18 2007 +0200
+++ b/tools/libxc/xc_hvm_build.c Tue Aug 07 15:11:00 2007 +0200
@@ -211,10 +211,11 @@ static int setup_guest(int xc_handle,
/* Allocate memory for HVM guest, skipping VGA hole 0xA0000-0xC0000. */
rc = xc_domain_memory_populate_physmap(
- xc_handle, dom, 0xa0, 0, 0, &page_array[0x00]);
+ xc_handle, dom, 0xa0, 0, 0, XENMEM_DEFAULT_CPU, &page_array[0x00]);
if ( rc == 0 )
rc = xc_domain_memory_populate_physmap(
- xc_handle, dom, nr_pages - 0xc0, 0, 0, &page_array[0xc0]);
+ xc_handle, dom, nr_pages - 0xc0, 0, 0, XENMEM_DEFAULT_CPU,
+ &page_array[0xc0]);
if ( rc != 0 )
{
PERROR("Could not allocate memory for HVM guest.\n");
diff -r 0534ec5aa830 -r e730c1207604 tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h Tue Aug 07 14:28:18 2007 +0200
+++ b/tools/libxc/xenctrl.h Tue Aug 07 15:11:00 2007 +0200
@@ -526,6 +526,7 @@ int xc_domain_memory_populate_physmap(in
unsigned long nr_extents,
unsigned int extent_order,
unsigned int address_bits,
+ unsigned int cpu,
xen_pfn_t *extent_start);
int xc_domain_ioport_permission(int xc_handle,
diff -r 0534ec5aa830 -r e730c1207604 xen/common/memory.c
--- a/xen/common/memory.c Tue Aug 07 14:28:18 2007 +0200
+++ b/xen/common/memory.c Tue Aug 07 15:11:00 2007 +0200
@@ -30,6 +30,7 @@ struct memop_args {
unsigned int nr_extents; /* Number of extents to allocate or free. */
unsigned int extent_order; /* Size of each extent. */
unsigned int memflags; /* Allocation flags. */
+ unsigned int cpu; /* CPU (NUMA node) to take the mem from */
/* INPUT/OUTPUT */
unsigned int nr_done; /* Number of extents processed so far. */
@@ -48,7 +49,7 @@ static void increase_reservation(struct
unsigned long i;
xen_pfn_t mfn;
struct domain *d = a->domain;
- unsigned int cpu = select_local_cpu(d);
+ unsigned int cpu;
if ( !guest_handle_is_null(a->extent_list) &&
!guest_handle_okay(a->extent_list, a->nr_extents) )
@@ -57,6 +58,9 @@ static void increase_reservation(struct
if ( (a->extent_order != 0) &&
!multipage_allocation_permitted(current->domain) )
return;
+
+ if ( a->cpu == XENMEM_DEFAULT_CPU ) cpu = select_local_cpu(d);
+ else cpu = a->cpu;
for ( i = a->nr_done; i < a->nr_extents; i++ )
{
@@ -95,7 +99,7 @@ static void populate_physmap(struct memo
unsigned long i, j;
xen_pfn_t gpfn, mfn;
struct domain *d = a->domain;
- unsigned int cpu = select_local_cpu(d);
+ unsigned int cpu;
if ( !guest_handle_okay(a->extent_list, a->nr_extents) )
return;
@@ -103,6 +107,9 @@ static void populate_physmap(struct memo
if ( (a->extent_order != 0) &&
!multipage_allocation_permitted(current->domain) )
return;
+
+ if ( a->cpu == XENMEM_DEFAULT_CPU ) cpu = select_local_cpu(d);
+ else cpu = a->cpu;
for ( i = a->nr_done; i < a->nr_extents; i++ )
{
@@ -518,6 +525,7 @@ long do_memory_op(unsigned long cmd, XEN
args.extent_list = reservation.extent_start;
args.nr_extents = reservation.nr_extents;
args.extent_order = reservation.extent_order;
+ args.cpu = reservation.cpu;
args.nr_done = start_extent;
args.preempted = 0;
args.memflags = 0;
diff -r 0534ec5aa830 -r e730c1207604 xen/include/public/memory.h
--- a/xen/include/public/memory.h Tue Aug 07 14:28:18 2007 +0200
+++ b/xen/include/public/memory.h Tue Aug 07 15:11:00 2007 +0200
@@ -35,6 +35,7 @@
#define XENMEM_increase_reservation 0
#define XENMEM_decrease_reservation 1
#define XENMEM_populate_physmap 6
+#define XENMEM_DEFAULT_CPU ((unsigned int)-1)
struct xen_memory_reservation {
/*
@@ -66,6 +67,7 @@ struct xen_memory_reservation {
* Unprivileged domains can specify only DOMID_SELF.
*/
domid_t domid;
+ unsigned int cpu;
};
typedef struct xen_memory_reservation xen_memory_reservation_t;
DEFINE_XEN_GUEST_HANDLE(xen_memory_reservation_t);
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