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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] Tidy up vm_assist handling.
ChangeSet 1.1396, 2005/03/30 11:57:35+01:00, kaf24@xxxxxxxxxxxxxxxxxxxx
Tidy up vm_assist handling.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
linux-2.4.29-xen-sparse/arch/xen/kernel/head.S | 1 -
linux-2.4.29-xen-sparse/arch/xen/kernel/setup.c | 6 ++++--
linux-2.6.11-xen-sparse/arch/xen/i386/kernel/head.S | 1 -
linux-2.6.11-xen-sparse/arch/xen/i386/kernel/setup.c | 6 ++++--
linux-2.6.11-xen-sparse/arch/xen/kernel/fixup.c | 8 ++++----
linux-2.6.11-xen-sparse/arch/xen/kernel/reboot.c | 11 ++++-------
tools/libxc/xc_linux_build.c | 8 --------
tools/libxc/xc_vmx_build.c | 6 ------
xen/arch/x86/dom0_ops.c | 7 +++++++
xen/arch/x86/domain.c | 9 +++++++++
xen/arch/x86/domain_build.c | 4 ----
xen/common/domain.c | 4 ----
xen/common/elf.c | 3 ---
xen/common/kernel.c | 1 -
xen/include/asm-ia64/config.h | 7 -------
xen/include/asm-x86/mm.h | 8 --------
xen/include/public/arch-x86_32.h | 1 +
xen/include/public/arch-x86_64.h | 4 ++--
xen/include/xen/sched.h | 2 --
19 files changed, 35 insertions(+), 62 deletions(-)
diff -Nru a/linux-2.4.29-xen-sparse/arch/xen/kernel/head.S
b/linux-2.4.29-xen-sparse/arch/xen/kernel/head.S
--- a/linux-2.4.29-xen-sparse/arch/xen/kernel/head.S 2005-03-30 07:03:14
-05:00
+++ b/linux-2.4.29-xen-sparse/arch/xen/kernel/head.S 2005-03-30 07:03:14
-05:00
@@ -2,7 +2,6 @@
.section __xen_guest
.ascii "GUEST_OS=linux,GUEST_VER=2.4,XEN_VER=3.0,VIRT_BASE=0xC0000000"
.ascii ",LOADER=generic"
- .ascii ",PT_MODE_WRITABLE"
.byte 0
.text
diff -Nru a/linux-2.4.29-xen-sparse/arch/xen/kernel/setup.c
b/linux-2.4.29-xen-sparse/arch/xen/kernel/setup.c
--- a/linux-2.4.29-xen-sparse/arch/xen/kernel/setup.c 2005-03-30 07:03:14
-05:00
+++ b/linux-2.4.29-xen-sparse/arch/xen/kernel/setup.c 2005-03-30 07:03:14
-05:00
@@ -228,8 +228,10 @@
blk_nohighio = 1;
#endif
- HYPERVISOR_vm_assist(VMASST_CMD_enable,
- VMASST_TYPE_4gb_segments);
+ HYPERVISOR_vm_assist(
+ VMASST_CMD_enable, VMASST_TYPE_4gb_segments);
+ HYPERVISOR_vm_assist(
+ VMASST_CMD_enable, VMASST_TYPE_writable_pagetables);
HYPERVISOR_set_callbacks(
__KERNEL_CS, (unsigned long)hypervisor_callback,
diff -Nru a/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/head.S
b/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/head.S
--- a/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/head.S 2005-03-30
07:03:14 -05:00
+++ b/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/head.S 2005-03-30
07:03:14 -05:00
@@ -4,7 +4,6 @@
.section __xen_guest
.ascii "GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=3.0,VIRT_BASE=0xC0000000"
.ascii ",LOADER=generic"
- .ascii ",PT_MODE_WRITABLE"
.byte 0
.text
diff -Nru a/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/setup.c
b/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/setup.c
--- a/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/setup.c 2005-03-30
07:03:14 -05:00
+++ b/linux-2.6.11-xen-sparse/arch/xen/i386/kernel/setup.c 2005-03-30
07:03:14 -05:00
@@ -1409,8 +1409,10 @@
/* Register a call for panic conditions. */
notifier_chain_register(&panic_notifier_list, &xen_panic_block);
- HYPERVISOR_vm_assist(VMASST_CMD_enable,
- VMASST_TYPE_4gb_segments);
+ HYPERVISOR_vm_assist(
+ VMASST_CMD_enable, VMASST_TYPE_4gb_segments);
+ HYPERVISOR_vm_assist(
+ VMASST_CMD_enable, VMASST_TYPE_writable_pagetables);
memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
early_cpu_init();
diff -Nru a/linux-2.6.11-xen-sparse/arch/xen/kernel/fixup.c
b/linux-2.6.11-xen-sparse/arch/xen/kernel/fixup.c
--- a/linux-2.6.11-xen-sparse/arch/xen/kernel/fixup.c 2005-03-30 07:03:14
-05:00
+++ b/linux-2.6.11-xen-sparse/arch/xen/kernel/fixup.c 2005-03-30 07:03:14
-05:00
@@ -50,8 +50,8 @@
if ( !test_and_set_bit(0, &printed) )
{
- HYPERVISOR_vm_assist(VMASST_CMD_disable,
- VMASST_TYPE_4gb_segments_notify);
+ HYPERVISOR_vm_assist(
+ VMASST_CMD_disable, VMASST_TYPE_4gb_segments_notify);
DP("");
DP("***************************************************************");
@@ -79,8 +79,8 @@
static int __init fixup_init(void)
{
- HYPERVISOR_vm_assist(VMASST_CMD_enable,
- VMASST_TYPE_4gb_segments_notify);
+ HYPERVISOR_vm_assist(
+ VMASST_CMD_enable, VMASST_TYPE_4gb_segments_notify);
return 0;
}
__initcall(fixup_init);
diff -Nru a/linux-2.6.11-xen-sparse/arch/xen/kernel/reboot.c
b/linux-2.6.11-xen-sparse/arch/xen/kernel/reboot.c
--- a/linux-2.6.11-xen-sparse/arch/xen/kernel/reboot.c 2005-03-30 07:03:12
-05:00
+++ b/linux-2.6.11-xen-sparse/arch/xen/kernel/reboot.c 2005-03-30 07:03:12
-05:00
@@ -110,18 +110,15 @@
HYPERVISOR_shared_info = (shared_info_t *)empty_zero_page;
clear_fixmap(FIX_SHARED_INFO);
- memcpy(&suspend_record->resume_info, &xen_start_info,
sizeof(xen_start_info));
+ memcpy(&suspend_record->resume_info, &xen_start_info,
+ sizeof(xen_start_info));
HYPERVISOR_suspend(virt_to_machine(suspend_record) >> PAGE_SHIFT);
- HYPERVISOR_vm_assist(VMASST_CMD_enable,
- VMASST_TYPE_4gb_segments);
- HYPERVISOR_vm_assist(VMASST_CMD_enable,
- VMASST_TYPE_writable_pagetables);
-
shutting_down = -1;
- memcpy(&xen_start_info, &suspend_record->resume_info,
sizeof(xen_start_info));
+ memcpy(&xen_start_info, &suspend_record->resume_info,
+ sizeof(xen_start_info));
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
set_fixmap_ma(FIX_SHARED_INFO, xen_start_info.shared_info);
diff -Nru a/tools/libxc/xc_linux_build.c b/tools/libxc/xc_linux_build.c
--- a/tools/libxc/xc_linux_build.c 2005-03-30 07:03:13 -05:00
+++ b/tools/libxc/xc_linux_build.c 2005-03-30 07:03:13 -05:00
@@ -22,7 +22,6 @@
unsigned long v_kernend;
unsigned long v_kernentry;
- unsigned int use_writable_pagetables;
unsigned int load_bsd_symtab;
unsigned long symtab_addr;
@@ -88,10 +87,6 @@
if ( rc != 0 )
goto error_out;
- if (dsi.use_writable_pagetables)
- xc_domain_setvmassist(xc_handle, dom, VMASST_CMD_enable,
- VMASST_TYPE_writable_pagetables);
-
if (dsi.load_bsd_symtab)
loadelfsymtab(image, xc_handle, dom, NULL, &dsi);
@@ -579,9 +574,6 @@
dsi->v_start = kernstart;
if ( (p = strstr(guestinfo, "VIRT_BASE=")) != NULL )
dsi->v_start = strtoul(p+10, &p, 0);
-
- if ( (p = strstr(guestinfo, "PT_MODE_WRITABLE")) != NULL )
- dsi->use_writable_pagetables = 1;
if ( (p = strstr(guestinfo, "BSD_SYMTAB")) != NULL )
dsi->load_bsd_symtab = 1;
diff -Nru a/tools/libxc/xc_vmx_build.c b/tools/libxc/xc_vmx_build.c
--- a/tools/libxc/xc_vmx_build.c 2005-03-30 07:03:14 -05:00
+++ b/tools/libxc/xc_vmx_build.c 2005-03-30 07:03:14 -05:00
@@ -27,7 +27,6 @@
unsigned long v_kernend;
unsigned long v_kernentry;
- unsigned int use_writable_pagetables;
unsigned int load_bsd_symtab;
unsigned long symtab_addr;
@@ -198,10 +197,6 @@
if ( rc != 0 )
goto error_out;
- if (dsi.use_writable_pagetables)
- xc_domain_setvmassist(xc_handle, dom, VMASST_CMD_enable,
- VMASST_TYPE_writable_pagetables);
-
if (dsi.load_bsd_symtab)
loadelfsymtab(image, xc_handle, dom, NULL, &dsi);
@@ -708,7 +703,6 @@
}
dsi->v_start = 0x00000000;
- dsi->use_writable_pagetables = 0;
dsi->load_bsd_symtab = 0;
dsi->v_kernstart = kernstart - LINUX_PAGE_OFFSET;
diff -Nru a/xen/arch/x86/dom0_ops.c b/xen/arch/x86/dom0_ops.c
--- a/xen/arch/x86/dom0_ops.c 2005-03-30 07:03:13 -05:00
+++ b/xen/arch/x86/dom0_ops.c 2005-03-30 07:03:13 -05:00
@@ -435,8 +435,15 @@
memcpy(c->debugreg,
ed->arch.debugreg,
sizeof(ed->arch.debugreg));
+#if defined(__i386__)
c->event_callback_cs = ed->arch.event_selector;
c->event_callback_eip = ed->arch.event_address;
c->failsafe_callback_cs = ed->arch.failsafe_selector;
c->failsafe_callback_eip = ed->arch.failsafe_address;
+#elif defined(__x86_64__)
+ c->event_callback_eip = ed->arch.event_address;
+ c->failsafe_callback_eip = ed->arch.failsafe_address;
+ c->syscall_callback_eip = ed->arch.syscall_address;
+#endif
+ c->vm_assist = ed->domain->vm_assist;
}
diff -Nru a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
--- a/xen/arch/x86/domain.c 2005-03-30 07:03:13 -05:00
+++ b/xen/arch/x86/domain.c 2005-03-30 07:03:13 -05:00
@@ -494,10 +494,19 @@
for ( i = 0; i < 8; i++ )
(void)set_debugreg(ed, i, c->debugreg[i]);
+#if defined(__i386__)
ed->arch.event_selector = c->event_callback_cs;
ed->arch.event_address = c->event_callback_eip;
ed->arch.failsafe_selector = c->failsafe_callback_cs;
ed->arch.failsafe_address = c->failsafe_callback_eip;
+#elif defined(__x86_64__)
+ ed->arch.event_address = c->event_callback_eip;
+ ed->arch.failsafe_address = c->failsafe_callback_eip;
+ ed->arch.syscall_address = c->syscall_callback_eip;
+#endif
+
+ if ( ed->eid == 0 )
+ d->vm_assist = c->vm_assist;
phys_basetab = c->pt_base;
ed->arch.guest_table = ed->arch.phys_table = mk_pagetable(phys_basetab);
diff -Nru a/xen/arch/x86/domain_build.c b/xen/arch/x86/domain_build.c
--- a/xen/arch/x86/domain_build.c 2005-03-30 07:03:13 -05:00
+++ b/xen/arch/x86/domain_build.c 2005-03-30 07:03:13 -05:00
@@ -129,10 +129,6 @@
if ( rc != 0 )
return rc;
- /* Set up domain options */
- if ( dsi.use_writable_pagetables )
- vm_assist(d, VMASST_CMD_enable, VMASST_TYPE_writable_pagetables);
-
/* Align load address to 4MB boundary. */
dsi.v_start &= ~((1UL<<22)-1);
diff -Nru a/xen/common/domain.c b/xen/common/domain.c
--- a/xen/common/domain.c 2005-03-30 07:03:14 -05:00
+++ b/xen/common/domain.c 2005-03-30 07:03:14 -05:00
@@ -358,13 +358,9 @@
{
case VMASST_CMD_enable:
set_bit(type, &p->vm_assist);
- if (vm_assist_info[type].enable)
- (*vm_assist_info[type].enable)(p);
return 0;
case VMASST_CMD_disable:
clear_bit(type, &p->vm_assist);
- if (vm_assist_info[type].disable)
- (*vm_assist_info[type].disable)(p);
return 0;
}
diff -Nru a/xen/common/elf.c b/xen/common/elf.c
--- a/xen/common/elf.c 2005-03-30 07:03:14 -05:00
+++ b/xen/common/elf.c 2005-03-30 07:03:14 -05:00
@@ -118,9 +118,6 @@
{
if ( (p = strstr(guestinfo, "VIRT_BASE=")) != NULL )
dsi->v_start = simple_strtoul(p+10, &p, 0);
-
- if ( (p = strstr(guestinfo, "PT_MODE_WRITABLE")) != NULL )
- dsi->use_writable_pagetables = 1;
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