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authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-02-27 15:34:59 -0800
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-04-08 11:51:44 -0700
commitcdaead6b4e657f960d6d6f9f380e7dfeedc6a09b (patch)
tree3b3c00e5cc3119b9df5acd8280ca6af580b2a398 /arch/x86/xen
parente791ca0fd79461ad72559a6e01362da4d7d16253 (diff)
xen: split construction of p2m mfn tables from registration
Build the p2m_mfn_list_list early with the rest of the p2m table, but register it later when the real shared_info structure is in place. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/mmu.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 0b2d554d1d5..6e58acd4d00 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -184,7 +184,7 @@ static inline unsigned p2m_index(unsigned long pfn)
}
/* Build the parallel p2m_top_mfn structures */
-void xen_setup_mfn_list_list(void)
+static void __init xen_build_mfn_list_list(void)
{
unsigned pfn, idx;
@@ -198,7 +198,10 @@ void xen_setup_mfn_list_list(void)
unsigned topidx = idx * P2M_ENTRIES_PER_PAGE;
p2m_top_mfn_list[idx] = virt_to_mfn(&p2m_top_mfn[topidx]);
}
+}
+void xen_setup_mfn_list_list(void)
+{
BUG_ON(HYPERVISOR_shared_info == &xen_dummy_shared_info);
HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list_list =
@@ -218,6 +221,8 @@ void __init xen_build_dynamic_phys_to_machine(void)
p2m_top[topidx] = &mfn_list[pfn];
}
+
+ xen_build_mfn_list_list();
}
unsigned long get_phys_to_machine(unsigned long pfn)