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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v4 10/31] libxl: switch HVM domain building to use xc_dom_* helpers
Now that we have all the code in place HVM domain building in libxl can be
switched to use the xc_dom_* family of functions, just like they are used in
order to build PV guests.
Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
---
tools/libxl/libxl_arch.h | 2 +-
tools/libxl/libxl_dm.c | 18 ++--
tools/libxl/libxl_dom.c | 227 +++++++++++++++++++++++++------------------
tools/libxl/libxl_internal.h | 4 +-
tools/libxl/libxl_vnuma.c | 12 ++-
tools/libxl/libxl_x86.c | 8 +-
6 files changed, 155 insertions(+), 116 deletions(-)
diff --git a/tools/libxl/libxl_arch.h b/tools/libxl/libxl_arch.h
index bd030b6..34a853c 100644
--- a/tools/libxl/libxl_arch.h
+++ b/tools/libxl/libxl_arch.h
@@ -60,6 +60,6 @@ _hidden
int libxl__arch_domain_construct_memmap(libxl__gc *gc,
libxl_domain_config *d_config,
uint32_t domid,
- struct xc_hvm_build_args *args);
+ struct xc_dom_image *dom);
#endif
diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index 02c0162..f6b4c89 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -18,6 +18,8 @@
#include "libxl_osdeps.h" /* must come before any other headers */
#include "libxl_internal.h"
+
+#include <xc_dom.h>
#include <xen/hvm/e820.h>
static const char *libxl_tapif_script(libxl__gc *gc)
@@ -181,7 +183,7 @@ add_rdm_entry(libxl__gc *gc, libxl_domain_config *d_config,
int libxl__domain_device_construct_rdm(libxl__gc *gc,
libxl_domain_config *d_config,
uint64_t rdm_mem_boundary,
- struct xc_hvm_build_args *args)
+ struct xc_dom_image *dom)
{
int i, j, conflict, rc;
struct xen_reserved_device_memory *xrdm = NULL;
@@ -189,7 +191,7 @@ int libxl__domain_device_construct_rdm(libxl__gc *gc,
uint16_t seg;
uint8_t bus, devfn;
uint64_t rdm_start, rdm_size;
- uint64_t highmem_end = args->highmem_end ? args->highmem_end : (1ull<<32);
+ uint64_t highmem_end = dom->highmem_end ? dom->highmem_end : (1ull<<32);
/*
* We just want to construct RDM once since RDM is specific to the
@@ -303,7 +305,7 @@ int libxl__domain_device_construct_rdm(libxl__gc *gc,
for (i = 0; i < d_config->num_rdms; i++) {
rdm_start = d_config->rdms[i].start;
rdm_size = d_config->rdms[i].size;
- conflict = overlaps_rdm(0, args->lowmem_end, rdm_start, rdm_size);
+ conflict = overlaps_rdm(0, dom->lowmem_end, rdm_start, rdm_size);
if (!conflict)
continue;
@@ -314,14 +316,14 @@ int libxl__domain_device_construct_rdm(libxl__gc *gc,
* We will move downwards lowmem_end so we have to expand
* highmem_end.
*/
- highmem_end += (args->lowmem_end - rdm_start);
+ highmem_end += (dom->lowmem_end - rdm_start);
/* Now move downwards lowmem_end. */
- args->lowmem_end = rdm_start;
+ dom->lowmem_end = rdm_start;
}
}
/* Sync highmem_end. */
- args->highmem_end = highmem_end;
+ dom->highmem_end = highmem_end;
/*
* Finally we can take same policy to check lowmem(< 2G) and
@@ -331,11 +333,11 @@ int libxl__domain_device_construct_rdm(libxl__gc *gc,
rdm_start = d_config->rdms[i].start;
rdm_size = d_config->rdms[i].size;
/* Does this entry conflict with lowmem? */
- conflict = overlaps_rdm(0, args->lowmem_end,
+ conflict = overlaps_rdm(0, dom->lowmem_end,
rdm_start, rdm_size);
/* Does this entry conflict with highmem? */
conflict |= overlaps_rdm((1ULL<<32),
- args->highmem_end - (1ULL<<32),
+ dom->highmem_end - (1ULL<<32),
rdm_start, rdm_size);
if (!conflict)
diff --git a/tools/libxl/libxl_dom.c b/tools/libxl/libxl_dom.c
index 92c4278..bf9b65f 100644
--- a/tools/libxl/libxl_dom.c
+++ b/tools/libxl/libxl_dom.c
@@ -602,6 +602,63 @@ static int set_vnuma_info(libxl__gc *gc, uint32_t domid,
return rc;
}
+static int libxl__build_dom(libxl__gc *gc, uint32_t domid,
+ libxl_domain_build_info *info, libxl__domain_build_state *state,
+ struct xc_dom_image *dom)
+{
+ uint64_t mem_kb;
+ int ret;
+
+ if ( (ret = xc_dom_boot_xen_init(dom, CTX->xch, domid)) != 0 ) {
+ LOGE(ERROR, "xc_dom_boot_xen_init failed");
+ goto out;
+ }
+#ifdef GUEST_RAM_BASE
+ if ( (ret = xc_dom_rambase_init(dom, GUEST_RAM_BASE)) != 0 ) {
+ LOGE(ERROR, "xc_dom_rambase failed");
+ goto out;
+ }
+#endif
+ if ( (ret = xc_dom_parse_image(dom)) != 0 ) {
+ LOGE(ERROR, "xc_dom_parse_image failed");
+ goto out;
+ }
+ if ( (ret = libxl__arch_domain_init_hw_description(gc, info, state, dom))
!= 0 ) {
+ LOGE(ERROR, "libxl__arch_domain_init_hw_description failed");
+ goto out;
+ }
+
+ mem_kb = dom->container_type == XC_DOM_HVM_CONTAINER ?
+ (info->max_memkb - info->video_memkb) : info->target_memkb;
+ if ( (ret = xc_dom_mem_init(dom, mem_kb / 1024)) != 0 ) {
+ LOGE(ERROR, "xc_dom_mem_init failed");
+ goto out;
+ }
+ if ( (ret = xc_dom_boot_mem_init(dom)) != 0 ) {
+ LOGE(ERROR, "xc_dom_boot_mem_init failed");
+ goto out;
+ }
+ if ( (ret = libxl__arch_domain_finalise_hw_description(gc, info, dom)) !=
0 ) {
+ LOGE(ERROR, "libxl__arch_domain_finalise_hw_description failed");
+ goto out;
+ }
+ if ( (ret = xc_dom_build_image(dom)) != 0 ) {
+ LOGE(ERROR, "xc_dom_build_image failed");
+ goto out;
+ }
+ if ( (ret = xc_dom_boot_image(dom)) != 0 ) {
+ LOGE(ERROR, "xc_dom_boot_image failed");
+ goto out;
+ }
+ if ( (ret = xc_dom_gnttab_init(dom)) != 0 ) {
+ LOGE(ERROR, "xc_dom_gnttab_init failed");
+ goto out;
+ }
+
+out:
+ return ret != 0 ? ERROR_FAIL : 0;
+}
+
int libxl__build_pv(libxl__gc *gc, uint32_t domid,
libxl_domain_build_info *info, libxl__domain_build_state *state)
{
@@ -692,48 +749,9 @@ int libxl__build_pv(libxl__gc *gc, uint32_t domid,
dom->vnode_to_pnode[i] = info->vnuma_nodes[i].pnode;
}
- if ( (ret = xc_dom_boot_xen_init(dom, ctx->xch, domid)) != 0 ) {
- LOGE(ERROR, "xc_dom_boot_xen_init failed");
- goto out;
- }
-#ifdef GUEST_RAM_BASE
- if ( (ret = xc_dom_rambase_init(dom, GUEST_RAM_BASE)) != 0 ) {
- LOGE(ERROR, "xc_dom_rambase failed");
- goto out;
- }
-#endif
- if ( (ret = xc_dom_parse_image(dom)) != 0 ) {
- LOGE(ERROR, "xc_dom_parse_image failed");
- goto out;
- }
- if ( (ret = libxl__arch_domain_init_hw_description(gc, info, state, dom))
!= 0 ) {
- LOGE(ERROR, "libxl__arch_domain_init_hw_description failed");
- goto out;
- }
- if ( (ret = xc_dom_mem_init(dom, info->target_memkb / 1024)) != 0 ) {
- LOGE(ERROR, "xc_dom_mem_init failed");
- goto out;
- }
- if ( (ret = xc_dom_boot_mem_init(dom)) != 0 ) {
- LOGE(ERROR, "xc_dom_boot_mem_init failed");
- goto out;
- }
- if ( (ret = libxl__arch_domain_finalise_hw_description(gc, info, dom)) !=
0 ) {
- LOGE(ERROR, "libxl__arch_domain_finalise_hw_description failed");
- goto out;
- }
- if ( (ret = xc_dom_build_image(dom)) != 0 ) {
- LOGE(ERROR, "xc_dom_build_image failed");
- goto out;
- }
- if ( (ret = xc_dom_boot_image(dom)) != 0 ) {
- LOGE(ERROR, "xc_dom_boot_image failed");
+ ret = libxl__build_dom(gc, domid, info, state, dom);
+ if (ret != 0)
goto out;
- }
- if ( (ret = xc_dom_gnttab_init(dom)) != 0 ) {
- LOGE(ERROR, "xc_dom_gnttab_init failed");
- goto out;
- }
if (xc_dom_feature_translated(dom)) {
state->console_mfn = dom->console_pfn;
@@ -793,39 +811,39 @@ static int hvm_build_set_params(xc_interface *handle,
uint32_t domid,
static int hvm_build_set_xs_values(libxl__gc *gc,
uint32_t domid,
- struct xc_hvm_build_args *args)
+ struct xc_dom_image *dom)
{
char *path = NULL;
int ret = 0;
- if (args->smbios_module.guest_addr_out) {
+ if (dom->smbios_module.guest_addr_out) {
path = GCSPRINTF("/local/domain/%d/"HVM_XS_SMBIOS_PT_ADDRESS, domid);
ret = libxl__xs_write(gc, XBT_NULL, path, "0x%"PRIx64,
- args->smbios_module.guest_addr_out);
+ dom->smbios_module.guest_addr_out);
if (ret)
goto err;
path = GCSPRINTF("/local/domain/%d/"HVM_XS_SMBIOS_PT_LENGTH, domid);
ret = libxl__xs_write(gc, XBT_NULL, path, "0x%x",
- args->smbios_module.length);
+ dom->smbios_module.length);
if (ret)
goto err;
}
- if (args->acpi_module.guest_addr_out) {
+ if (dom->acpi_module.guest_addr_out) {
path = GCSPRINTF("/local/domain/%d/"HVM_XS_ACPI_PT_ADDRESS, domid);
ret = libxl__xs_write(gc, XBT_NULL, path, "0x%"PRIx64,
- args->acpi_module.guest_addr_out);
+ dom->acpi_module.guest_addr_out);
if (ret)
goto err;
path = GCSPRINTF("/local/domain/%d/"HVM_XS_ACPI_PT_LENGTH, domid);
ret = libxl__xs_write(gc, XBT_NULL, path, "0x%x",
- args->acpi_module.length);
+ dom->acpi_module.length);
if (ret)
goto err;
}
@@ -839,7 +857,7 @@ err:
static int libxl__domain_firmware(libxl__gc *gc,
libxl_domain_build_info *info,
- struct xc_hvm_build_args *args)
+ struct xc_dom_image *dom)
{
libxl_ctx *ctx = libxl__gc_owner(gc);
const char *firmware;
@@ -865,8 +883,13 @@ static int libxl__domain_firmware(libxl__gc *gc,
break;
}
}
- args->image_file_name = libxl__abs_path(gc, firmware,
- libxl__xenfirmwaredir_path());
+
+ rc = xc_dom_kernel_file(dom, libxl__abs_path(gc, firmware,
+
libxl__xenfirmwaredir_path()));
+ if (rc != 0) {
+ LOGE(ERROR, "xc_dom_kernel_file failed");
+ goto out;
+ }
if (info->u.hvm.smbios_firmware) {
data = NULL;
@@ -880,8 +903,8 @@ static int libxl__domain_firmware(libxl__gc *gc,
libxl__ptr_add(gc, data);
if (datalen) {
/* Only accept non-empty files */
- args->smbios_module.data = data;
- args->smbios_module.length = (uint32_t)datalen;
+ dom->smbios_module.data = data;
+ dom->smbios_module.length = (uint32_t)datalen;
}
}
@@ -897,8 +920,8 @@ static int libxl__domain_firmware(libxl__gc *gc,
libxl__ptr_add(gc, data);
if (datalen) {
/* Only accept non-empty files */
- args->acpi_module.data = data;
- args->acpi_module.length = (uint32_t)datalen;
+ dom->acpi_module.data = data;
+ dom->acpi_module.length = (uint32_t)datalen;
}
}
@@ -912,52 +935,62 @@ int libxl__build_hvm(libxl__gc *gc, uint32_t domid,
libxl__domain_build_state *state)
{
libxl_ctx *ctx = libxl__gc_owner(gc);
- struct xc_hvm_build_args args = {};
- int ret, rc;
- uint64_t mmio_start, lowmem_end, highmem_end;
+ int rc;
+ uint64_t mmio_start, lowmem_end, highmem_end, mem_size;
libxl_domain_build_info *const info = &d_config->b_info;
+ struct xc_dom_image *dom = NULL;
+
+ xc_dom_loginit(ctx->xch);
+
+ dom = xc_dom_allocate(ctx->xch, NULL, NULL);
+ if (!dom) {
+ LOGE(ERROR, "xc_dom_allocate failed");
+ goto out;
+ }
+
+ dom->container_type = XC_DOM_HVM_CONTAINER;
- memset(&args, 0, sizeof(struct xc_hvm_build_args));
/* The params from the configuration file are in Mb, which are then
* multiplied by 1 Kb. This was then divided off when calling
* the old xc_hvm_build_target_mem() which then turned them to bytes.
* Do all this in one step here...
*/
- args.mem_size = (uint64_t)(info->max_memkb - info->video_memkb) << 10;
- args.mem_target = (uint64_t)(info->target_memkb - info->video_memkb) << 10;
- args.claim_enabled = libxl_defbool_val(info->claim_mode);
+ mem_size = (uint64_t)(info->max_memkb - info->video_memkb) << 10;
+ dom->target_pages = (uint64_t)(info->target_memkb - info->video_memkb) >>
2;
+ dom->claim_enabled = libxl_defbool_val(info->claim_mode);
if (info->u.hvm.mmio_hole_memkb) {
uint64_t max_ram_below_4g = (1ULL << 32) -
(info->u.hvm.mmio_hole_memkb << 10);
if (max_ram_below_4g < HVM_BELOW_4G_MMIO_START)
- args.mmio_size = info->u.hvm.mmio_hole_memkb << 10;
+ dom->mmio_size = info->u.hvm.mmio_hole_memkb << 10;
}
- rc = libxl__domain_firmware(gc, info, &args);
+ rc = libxl__domain_firmware(gc, info, dom);
if (rc != 0) {
LOG(ERROR, "initializing domain firmware failed");
goto out;
}
- if (args.mem_target == 0)
- args.mem_target = args.mem_size;
- if (args.mmio_size == 0)
- args.mmio_size = HVM_BELOW_4G_MMIO_LENGTH;
- lowmem_end = args.mem_size;
+
+ if (dom->target_pages == 0)
+ dom->target_pages = mem_size >> XC_PAGE_SHIFT;
+ if (dom->mmio_size == 0)
+ dom->mmio_size = HVM_BELOW_4G_MMIO_LENGTH;
+ lowmem_end = mem_size;
highmem_end = 0;
- mmio_start = (1ull << 32) - args.mmio_size;
+ mmio_start = (1ull << 32) - dom->mmio_size;
if (lowmem_end > mmio_start)
{
highmem_end = (1ull << 32) + (lowmem_end - mmio_start);
lowmem_end = mmio_start;
}
- args.lowmem_end = lowmem_end;
- args.highmem_end = highmem_end;
- args.mmio_start = mmio_start;
+ dom->lowmem_end = lowmem_end;
+ dom->highmem_end = highmem_end;
+ dom->mmio_start = mmio_start;
rc = libxl__domain_device_construct_rdm(gc, d_config,
info->u.hvm.rdm_mem_boundary_memkb*1024,
- &args);
+ dom);
if (rc) {
LOG(ERROR, "checking reserved device memory failed");
goto out;
@@ -966,7 +999,7 @@ int libxl__build_hvm(libxl__gc *gc, uint32_t domid,
if (info->num_vnuma_nodes != 0) {
int i;
- rc = libxl__vnuma_build_vmemrange_hvm(gc, domid, info, state, &args);
+ rc = libxl__vnuma_build_vmemrange_hvm(gc, domid, info, state, dom);
if (rc != 0) {
LOG(ERROR, "hvm build vmemranges failed");
goto out;
@@ -976,37 +1009,34 @@ int libxl__build_hvm(libxl__gc *gc, uint32_t domid,
rc = set_vnuma_info(gc, domid, info, state);
if (rc != 0) goto out;
- args.nr_vmemranges = state->num_vmemranges;
- args.vmemranges = libxl__malloc(gc, sizeof(*args.vmemranges) *
- args.nr_vmemranges);
+ dom->nr_vmemranges = state->num_vmemranges;
+ dom->vmemranges = libxl__malloc(gc, sizeof(*dom->vmemranges) *
+ dom->nr_vmemranges);
- for (i = 0; i < args.nr_vmemranges; i++) {
- args.vmemranges[i].start = state->vmemranges[i].start;
- args.vmemranges[i].end = state->vmemranges[i].end;
- args.vmemranges[i].flags = state->vmemranges[i].flags;
- args.vmemranges[i].nid = state->vmemranges[i].nid;
+ for (i = 0; i < dom->nr_vmemranges; i++) {
+ dom->vmemranges[i].start = state->vmemranges[i].start;
+ dom->vmemranges[i].end = state->vmemranges[i].end;
+ dom->vmemranges[i].flags = state->vmemranges[i].flags;
+ dom->vmemranges[i].nid = state->vmemranges[i].nid;
}
- args.nr_vnodes = info->num_vnuma_nodes;
- args.vnode_to_pnode = libxl__malloc(gc, sizeof(*args.vnode_to_pnode) *
- args.nr_vnodes);
- for (i = 0; i < args.nr_vnodes; i++)
- args.vnode_to_pnode[i] = info->vnuma_nodes[i].pnode;
- }
-
- ret = xc_hvm_build(ctx->xch, domid, &args);
- if (ret) {
- LOGEV(ERROR, ret, "hvm building failed");
- rc = ERROR_FAIL;
- goto out;
+ dom->nr_vnodes = info->num_vnuma_nodes;
+ dom->vnode_to_pnode = libxl__malloc(gc, sizeof(*dom->vnode_to_pnode) *
+ dom->nr_vnodes);
+ for (i = 0; i < dom->nr_vnodes; i++)
+ dom->vnode_to_pnode[i] = info->vnuma_nodes[i].pnode;
}
- rc = libxl__arch_domain_construct_memmap(gc, d_config, domid, &args);
+ rc = libxl__arch_domain_construct_memmap(gc, d_config, domid, dom);
if (rc != 0) {
LOG(ERROR, "setting domain memory map failed");
goto out;
}
+ rc = libxl__build_dom(gc, domid, info, state, dom);
+ if (rc != 0)
+ goto out;
+
rc = hvm_build_set_params(ctx->xch, domid, info, state->store_port,
&state->store_mfn, state->console_port,
&state->console_mfn, state->store_domid,
@@ -1016,15 +1046,18 @@ int libxl__build_hvm(libxl__gc *gc, uint32_t domid,
goto out;
}
- rc = hvm_build_set_xs_values(gc, domid, &args);
+ rc = hvm_build_set_xs_values(gc, domid, dom);
if (rc != 0) {
LOG(ERROR, "hvm build set xenstore values failed");
goto out;
}
+ xc_dom_release(dom);
return 0;
+
out:
assert(rc != 0);
+ if (dom != NULL) xc_dom_release(dom);
return rc;
}
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 6ea6c83..ea89f1f 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -1594,7 +1594,7 @@ _hidden int libxl__need_xenpv_qemu(libxl__gc *gc,
_hidden int libxl__domain_device_construct_rdm(libxl__gc *gc,
libxl_domain_config *d_config,
uint64_t rdm_mem_guard,
- struct xc_hvm_build_args *args);
+ struct xc_dom_image *dom);
/*
* This function will cause the whole libxl process to hang
@@ -3752,7 +3752,7 @@ int libxl__vnuma_build_vmemrange_hvm(libxl__gc *gc,
uint32_t domid,
libxl_domain_build_info *b_info,
libxl__domain_build_state *state,
- struct xc_hvm_build_args *args);
+ struct xc_dom_image *dom);
bool libxl__vnuma_configured(const libxl_domain_build_info *b_info);
_hidden int libxl__ms_vm_genid_set(libxl__gc *gc, uint32_t domid,
diff --git a/tools/libxl/libxl_vnuma.c b/tools/libxl/libxl_vnuma.c
index 56856d2..db22799 100644
--- a/tools/libxl/libxl_vnuma.c
+++ b/tools/libxl/libxl_vnuma.c
@@ -17,6 +17,8 @@
#include "libxl_arch.h"
#include <stdlib.h>
+#include <xc_dom.h>
+
bool libxl__vnuma_configured(const libxl_domain_build_info *b_info)
{
return b_info->num_vnuma_nodes != 0;
@@ -252,7 +254,7 @@ int libxl__vnuma_build_vmemrange_hvm(libxl__gc *gc,
uint32_t domid,
libxl_domain_build_info *b_info,
libxl__domain_build_state *state,
- struct xc_hvm_build_args *args)
+ struct xc_dom_image *dom)
{
uint64_t hole_start, hole_end, next;
int nid, nr_vmemrange;
@@ -264,10 +266,10 @@ int libxl__vnuma_build_vmemrange_hvm(libxl__gc *gc,
* Guest physical address space layout:
* [0, hole_start) [hole_start, hole_end) [hole_end, highmem_end)
*/
- hole_start = args->lowmem_end < args->mmio_start ?
- args->lowmem_end : args->mmio_start;
- hole_end = (args->mmio_start + args->mmio_size) > (1ULL << 32) ?
- (args->mmio_start + args->mmio_size) : (1ULL << 32);
+ hole_start = dom->lowmem_end < dom->mmio_start ?
+ dom->lowmem_end : dom->mmio_start;
+ hole_end = (dom->mmio_start + dom->mmio_size) > (1ULL << 32) ?
+ (dom->mmio_start + dom->mmio_size) : (1ULL << 32);
assert(state->vmemranges == NULL);
diff --git a/tools/libxl/libxl_x86.c b/tools/libxl/libxl_x86.c
index b379e09..b887411 100644
--- a/tools/libxl/libxl_x86.c
+++ b/tools/libxl/libxl_x86.c
@@ -1,6 +1,8 @@
#include "libxl_internal.h"
#include "libxl_arch.h"
+#include <xc_dom.h>
+
int libxl__arch_domain_prepare_config(libxl__gc *gc,
libxl_domain_config *d_config,
xc_domain_configuration_t *xc_config)
@@ -473,7 +475,7 @@ int libxl__arch_domain_map_irq(libxl__gc *gc, uint32_t
domid, int irq)
int libxl__arch_domain_construct_memmap(libxl__gc *gc,
libxl_domain_config *d_config,
uint32_t domid,
- struct xc_hvm_build_args *args)
+ struct xc_dom_image *dom)
{
int rc = 0;
unsigned int nr = 0, i;
@@ -481,7 +483,7 @@ int libxl__arch_domain_construct_memmap(libxl__gc *gc,
unsigned int e820_entries = 1;
struct e820entry *e820 = NULL;
uint64_t highmem_size =
- args->highmem_end ? args->highmem_end - (1ull << 32) : 0;
+ dom->highmem_end ? dom->highmem_end - (1ull << 32) : 0;
/* Add all rdm entries. */
for (i = 0; i < d_config->num_rdms; i++)
@@ -503,7 +505,7 @@ int libxl__arch_domain_construct_memmap(libxl__gc *gc,
/* Low memory */
e820[nr].addr = GUEST_LOW_MEM_START_DEFAULT;
- e820[nr].size = args->lowmem_end - GUEST_LOW_MEM_START_DEFAULT;
+ e820[nr].size = dom->lowmem_end - GUEST_LOW_MEM_START_DEFAULT;
e820[nr].type = E820_RAM;
nr++;
--
1.9.5 (Apple Git-50.3)
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