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authorJeremy Fitzhardinge <jeremy@goop.org>2008-08-19 13:16:17 -0700
committerIngo Molnar <mingo@elte.hu>2008-08-20 12:40:07 +0200
commit6e833587e11ed0dbf12e647127f2650e2f80b26d (patch)
tree7ba3d76705547ed1377f87694e0b0e4391fe0015 /arch/x86/xen
parent170465ee7f5a9a2d0ac71285507e52642e040353 (diff)
downloadop-kernel-dev-6e833587e11ed0dbf12e647127f2650e2f80b26d.zip
op-kernel-dev-6e833587e11ed0dbf12e647127f2650e2f80b26d.tar.gz
xen: clean up domain mode predicates
There are four operating modes Xen code may find itself running in: - native - hvm domain - pv dom0 - pv domU Clean up predicates for testing for these states to make them more consistent. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Xen-devel <xen-devel@lists.xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/enlighten.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 53afa14..b106e82 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -56,6 +56,9 @@ EXPORT_SYMBOL_GPL(hypercall_page);
DEFINE_PER_CPU(struct vcpu_info *, xen_vcpu);
DEFINE_PER_CPU(struct vcpu_info, xen_vcpu_info);
+enum xen_domain_type xen_domain_type = XEN_NATIVE;
+EXPORT_SYMBOL_GPL(xen_domain_type);
+
/*
* Identity map, in addition to plain kernel map. This needs to be
* large enough to allocate page table pages to allocate the rest.
@@ -1613,6 +1616,8 @@ asmlinkage void __init xen_start_kernel(void)
if (!xen_start_info)
return;
+ xen_domain_type = XEN_PV_DOMAIN;
+
BUG_ON(memcmp(xen_start_info->magic, "xen-3", 5) != 0);
xen_setup_features();
@@ -1650,7 +1655,7 @@ asmlinkage void __init xen_start_kernel(void)
/* Prevent unwanted bits from being set in PTEs. */
__supported_pte_mask &= ~_PAGE_GLOBAL;
- if (!is_initial_xendomain())
+ if (!xen_initial_domain())
__supported_pte_mask &= ~(_PAGE_PWT | _PAGE_PCD);
/* Don't do the full vcpu_info placement stuff until we have a
@@ -1685,7 +1690,7 @@ asmlinkage void __init xen_start_kernel(void)
boot_params.hdr.ramdisk_size = xen_start_info->mod_len;
boot_params.hdr.cmd_line_ptr = __pa(xen_start_info->cmd_line);
- if (!is_initial_xendomain()) {
+ if (!xen_initial_domain()) {
add_preferred_console("xenboot", 0, NULL);
add_preferred_console("tty", 0, NULL);
add_preferred_console("hvc", 0, NULL);
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