# HG changeset patch
# User cl349@xxxxxxxxxxxxxxxxxxxx
# Node ID a75b08af8d198ddb31ea66a054f4b6ade5fe4137
# Parent 63e226a5e272b4d99461a39e188a20431e10f898
# Parent c9fd91d7540d5bc89cb89cb4b18309054fb9d40a
merge?
diff -r 63e226a5e272 -r a75b08af8d19
linux-2.6-xen-sparse/arch/xen/i386/kernel/setup.c
--- a/linux-2.6-xen-sparse/arch/xen/i386/kernel/setup.c Wed Sep 7 12:47:45 2005
+++ b/linux-2.6-xen-sparse/arch/xen/i386/kernel/setup.c Wed Sep 7 12:48:11 2005
@@ -359,7 +359,8 @@
shared_info_t *HYPERVISOR_shared_info = (shared_info_t *)empty_zero_page;
EXPORT_SYMBOL(HYPERVISOR_shared_info);
-unsigned long *phys_to_machine_mapping, *pfn_to_mfn_frame_list;
+unsigned long *phys_to_machine_mapping;
+unsigned long *pfn_to_mfn_frame_list_list, *pfn_to_mfn_frame_list[16];
EXPORT_SYMBOL(phys_to_machine_mapping);
/* Raw start-of-day parameters from the hypervisor. */
@@ -1519,7 +1520,7 @@
*/
void __init setup_arch(char **cmdline_p)
{
- int i, j;
+ int i, j, k, fpp;
physdev_op_t op;
unsigned long max_low_pfn;
@@ -1669,14 +1670,31 @@
sizeof(unsigned long))));
}
- pfn_to_mfn_frame_list = alloc_bootmem_low_pages(PAGE_SIZE);
- for ( i=0, j=0; i < max_pfn; i+=(PAGE_SIZE/sizeof(unsigned long)), j++ )
- {
- pfn_to_mfn_frame_list[j] =
- virt_to_mfn(&phys_to_machine_mapping[i]);
- }
- HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list =
- virt_to_mfn(pfn_to_mfn_frame_list);
+
+ /*
+ * Initialise the list of the frames that specify the list of
+ * frames that make up the p2m table. Used by save/restore
+ */
+ pfn_to_mfn_frame_list_list = alloc_bootmem_low_pages(PAGE_SIZE);
+ HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list_list =
+ virt_to_mfn(pfn_to_mfn_frame_list_list);
+
+ fpp = PAGE_SIZE/sizeof(unsigned long);
+ for ( i=0, j=0, k=-1; i< max_pfn; i+=fpp, j++ )
+ {
+ if ( (j % fpp) == 0 )
+ {
+ k++;
+ BUG_ON(k>=16);
+ pfn_to_mfn_frame_list[k] = alloc_bootmem_low_pages(PAGE_SIZE);
+ pfn_to_mfn_frame_list_list[k] =
+ virt_to_mfn(pfn_to_mfn_frame_list[k]);
+ j=0;
+ }
+ pfn_to_mfn_frame_list[k][j] =
+ virt_to_mfn(&phys_to_machine_mapping[i]);
+ }
+ HYPERVISOR_shared_info->arch.max_pfn = max_pfn;
/*
* NOTE: at this point the bootmem allocator is fully available.
diff -r 63e226a5e272 -r a75b08af8d19
linux-2.6-xen-sparse/arch/xen/kernel/reboot.c
--- a/linux-2.6-xen-sparse/arch/xen/kernel/reboot.c Wed Sep 7 12:47:45 2005
+++ b/linux-2.6-xen-sparse/arch/xen/kernel/reboot.c Wed Sep 7 12:48:11 2005
@@ -67,7 +67,7 @@
static int __do_suspend(void *ignore)
{
- int i, j;
+ int i, j, k, fpp;
#ifdef CONFIG_XEN_USB_FRONTEND
extern void usbif_resume();
@@ -81,7 +81,7 @@
extern void time_suspend(void);
extern void time_resume(void);
extern unsigned long max_pfn;
- extern unsigned long *pfn_to_mfn_frame_list;
+ extern unsigned long *pfn_to_mfn_frame_list_list, *pfn_to_mfn_frame_list[];
#ifdef CONFIG_SMP
extern void smp_suspend(void);
@@ -191,14 +191,24 @@
HYPERVISOR_shared_info = (shared_info_t *)fix_to_virt(FIX_SHARED_INFO);
memset(empty_zero_page, 0, PAGE_SIZE);
-
- for ( i=0, j=0; i < max_pfn; i+=(PAGE_SIZE/sizeof(unsigned long)), j++ )
+
+ HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list_list =
+ virt_to_mfn(pfn_to_mfn_frame_list_list);
+
+ fpp = PAGE_SIZE/sizeof(unsigned long);
+ for ( i=0, j=0, k=-1; i< max_pfn; i+=fpp, j++ )
{
- pfn_to_mfn_frame_list[j] =
- virt_to_mfn(&phys_to_machine_mapping[i]);
- }
- HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list =
- virt_to_mfn(pfn_to_mfn_frame_list);
+ if ( (j % fpp) == 0 )
+ {
+ k++;
+ pfn_to_mfn_frame_list_list[k] =
+ virt_to_mfn(pfn_to_mfn_frame_list[k]);
+ j=0;
+ }
+ pfn_to_mfn_frame_list[k][j] =
+ virt_to_mfn(&phys_to_machine_mapping[i]);
+ }
+ HYPERVISOR_shared_info->arch.max_pfn = max_pfn;
gnttab_resume();
diff -r 63e226a5e272 -r a75b08af8d19
linux-2.6-xen-sparse/arch/xen/x86_64/kernel/setup.c
--- a/linux-2.6-xen-sparse/arch/xen/x86_64/kernel/setup.c Wed Sep 7
12:47:45 2005
+++ b/linux-2.6-xen-sparse/arch/xen/x86_64/kernel/setup.c Wed Sep 7
12:48:11 2005
@@ -76,7 +76,8 @@
/* Allows setting of maximum possible memory size */
unsigned long xen_override_max_pfn;
-unsigned long *phys_to_machine_mapping, *pfn_to_mfn_frame_list;
+unsigned long *phys_to_machine_mapping;
+unsigned long *pfn_to_mfn_frame_list_list, *pfn_to_mfn_frame_list[512];
EXPORT_SYMBOL(phys_to_machine_mapping);
@@ -730,7 +731,7 @@
#endif
#ifdef CONFIG_XEN
{
- int i, j;
+ int i, j, k, fpp;
/* Make sure we have a large enough P->M table. */
if (end_pfn > xen_start_info->nr_pages) {
phys_to_machine_mapping = alloc_bootmem(
@@ -746,11 +747,35 @@
sizeof(unsigned long))));
}
- pfn_to_mfn_frame_list = alloc_bootmem(PAGE_SIZE);
-
- for ( i=0, j=0; i < end_pfn; i+=(PAGE_SIZE/sizeof(unsigned
long)), j++ )
- pfn_to_mfn_frame_list[j] =
+ /*
+ * Initialise the list of the frames that specify the list of
+ * frames that make up the p2m table. Used by save/restore
+ */
+ pfn_to_mfn_frame_list_list = alloc_bootmem(PAGE_SIZE);
+ HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list_list =
+ virt_to_mfn(pfn_to_mfn_frame_list_list);
+
+ fpp = PAGE_SIZE/sizeof(unsigned long);
+ for ( i=0, j=0, k=-1; i< max_pfn; i+=fpp, j++ )
+ {
+ if ( (j % fpp) == 0 )
+ {
+ k++;
+ BUG_ON(k>=fpp);
+ pfn_to_mfn_frame_list[k] =
alloc_bootmem(PAGE_SIZE);
+ pfn_to_mfn_frame_list_list[k] =
+ virt_to_mfn(pfn_to_mfn_frame_list[k]);
+ j=0;
+ }
+ pfn_to_mfn_frame_list[k][j] =
virt_to_mfn(&phys_to_machine_mapping[i]);
+ }
+ HYPERVISOR_shared_info->arch.max_pfn = max_pfn;
+
+
+
+
+
}
#endif
diff -r 63e226a5e272 -r a75b08af8d19 tools/libxc/xc_linux_save.c
--- a/tools/libxc/xc_linux_save.c Wed Sep 7 12:47:45 2005
+++ b/tools/libxc/xc_linux_save.c Wed Sep 7 12:48:11 2005
@@ -419,6 +419,7 @@
unsigned long page[1024];
/* A copy of the pfn-to-mfn table frame list. */
+ unsigned long *live_pfn_to_mfn_frame_list_list = NULL;
unsigned long *live_pfn_to_mfn_frame_list = NULL;
unsigned long pfn_to_mfn_frame_list[1024];
@@ -506,11 +507,20 @@
goto out;
}
- /* the pfn_to_mfn_frame_list fits in a single page */
+ live_pfn_to_mfn_frame_list_list = xc_map_foreign_range(xc_handle, dom,
+ PAGE_SIZE, PROT_READ,
+
live_shinfo->arch.pfn_to_mfn_frame_list_list);
+
+ if (!live_pfn_to_mfn_frame_list_list){
+ ERR("Couldn't map pfn_to_mfn_frame_list_list");
+ goto out;
+ }
+
live_pfn_to_mfn_frame_list =
- xc_map_foreign_range(xc_handle, dom,
- PAGE_SIZE, PROT_READ,
- live_shinfo->arch.pfn_to_mfn_frame_list );
+ xc_map_foreign_batch(xc_handle, dom,
+ PROT_READ,
+ live_pfn_to_mfn_frame_list_list,
+ (nr_pfns+(1024*1024)-1)/(1024*1024) );
if (!live_pfn_to_mfn_frame_list){
ERR("Couldn't map pfn_to_mfn_frame_list");
diff -r 63e226a5e272 -r a75b08af8d19 tools/libxc/xc_load_aout9.c
--- a/tools/libxc/xc_load_aout9.c Wed Sep 7 12:47:45 2005
+++ b/tools/libxc/xc_load_aout9.c Wed Sep 7 12:48:11 2005
@@ -14,7 +14,6 @@
#define round_pgup(_p) (((_p)+(PAGE_SIZE-1))&PAGE_MASK)
-#define round_pgdown(_p) ((_p)&PAGE_MASK)
#define KZERO 0x80000000
#define KOFFSET(_p) ((_p)&~KZERO)
@@ -49,7 +48,7 @@
struct domain_setup_info *dsi)
{
struct Exec ehdr;
- unsigned long start, txtsz, end;
+ unsigned long start, dstart, end;
if (!get_header(image, image_size, &ehdr)) {
ERROR("Kernel image does not have a a.out9 header.");
@@ -61,9 +60,9 @@
return -EINVAL;
}
- start = round_pgdown(ehdr.entry);
- txtsz = round_pgup(ehdr.text);
- end = start + txtsz + ehdr.data + ehdr.bss;
+ start = ehdr.entry;
+ dstart = round_pgup(start + ehdr.text);
+ end = dstart + ehdr.data + ehdr.bss;
dsi->v_start = KZERO;
dsi->v_kernstart = start;
@@ -85,19 +84,18 @@
struct domain_setup_info *dsi)
{
struct Exec ehdr;
- unsigned long start, txtsz;
+ unsigned long start, dstart;
if (!get_header(image, image_size, &ehdr)) {
ERROR("Kernel image does not have a a.out9 header.");
return -EINVAL;
}
- start = round_pgdown(ehdr.entry);
- txtsz = round_pgup(ehdr.text);
- copyout(xch, dom, parray,
- start, image, sizeof ehdr + ehdr.text);
- copyout(xch, dom, parray,
- start+txtsz, image + sizeof ehdr + ehdr.text, ehdr.data);
+ start = ehdr.entry;
+ dstart = round_pgup(start + ehdr.text);
+ copyout(xch, dom, parray, start, image + sizeof ehdr, ehdr.text);
+ copyout(xch, dom, parray, dstart,
+ image + sizeof ehdr + ehdr.text, ehdr.data);
/* XXX load symbols */
diff -r 63e226a5e272 -r a75b08af8d19 tools/python/xen/lowlevel/xs/xs.c
--- a/tools/python/xen/lowlevel/xs/xs.c Wed Sep 7 12:47:45 2005
+++ b/tools/python/xen/lowlevel/xs/xs.c Wed Sep 7 12:48:11 2005
@@ -15,6 +15,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Copyright (C) 2005 Mike Wray Hewlett-Packard
+ * Copyright (C) 2005 Christian Limpach <Christian.Limpach@xxxxxxxxxxxx>
*
*/
diff -r 63e226a5e272 -r a75b08af8d19 xen/arch/x86/time.c
--- a/xen/arch/x86/time.c Wed Sep 7 12:47:45 2005
+++ b/xen/arch/x86/time.c Wed Sep 7 12:48:11 2005
@@ -792,6 +792,13 @@
tsc_elapsed64 = curr_tsc - prev_tsc;
/*
+ * Weirdness can happen if we lose sync with the platform timer.
+ * We could be smarter here: resync platform timer with local timer?
+ */
+ if ( ((s64)stime_elapsed64 < (EPOCH / 2)) )
+ goto out;
+
+ /*
* Calculate error-correction factor. This only slows down a fast local
* clock (slow clocks are warped forwards). The scale factor is clamped
* to >= 0.5.
@@ -854,6 +861,7 @@
cpu_time[cpu].stime_local_stamp = curr_local_stime;
cpu_time[cpu].stime_master_stamp = curr_master_stime;
+ out:
set_ac_timer(&cpu_time[cpu].calibration_timer, NOW() + EPOCH);
if ( cpu == 0 )
diff -r 63e226a5e272 -r a75b08af8d19 xen/include/public/arch-x86_32.h
--- a/xen/include/public/arch-x86_32.h Wed Sep 7 12:47:45 2005
+++ b/xen/include/public/arch-x86_32.h Wed Sep 7 12:48:11 2005
@@ -128,8 +128,11 @@
} vcpu_guest_context_t;
typedef struct arch_shared_info {
- /* MFN of a table of MFNs that make up p2m table */
- u64 pfn_to_mfn_frame_list;
+ unsigned long max_pfn; /* max pfn that appears in table */
+ unsigned long pfn_to_mfn_frame_list_list;
+ /* frame containing list of mfns
+ containing list of mfns
+ containing the p2m table. */
} arch_shared_info_t;
#endif
diff -r 63e226a5e272 -r a75b08af8d19 xen/include/public/arch-x86_64.h
--- a/xen/include/public/arch-x86_64.h Wed Sep 7 12:47:45 2005
+++ b/xen/include/public/arch-x86_64.h Wed Sep 7 12:48:11 2005
@@ -186,8 +186,11 @@
} vcpu_guest_context_t;
typedef struct arch_shared_info {
- /* MFN of a table of MFNs that make up p2m table */
- u64 pfn_to_mfn_frame_list;
+ unsigned long max_pfn; /* max pfn that appears in table */
+ unsigned long pfn_to_mfn_frame_list_list;
+ /* frame containing list of mfns
+ containing list of mfns
+ containing the p2m table. */
} arch_shared_info_t;
#endif /* !__ASSEMBLY__ */
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