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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-11-30 17:07:59 -0500
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-11-30 17:07:59 -0500
commit6a7ed405114b2a53ccd99631b0636aaeabf71b3e (patch)
treef8bb0dcddc66c59843433e2283f6bea57cc8ce24 /arch/x86/xen
parenta7be94ac8d69c037d08f0fd94b45a593f1d45176 (diff)
parentf832da068b0aadb15f747f6427b6bf945f525ba4 (diff)
Merge branch 'arm-privcmd-for-3.8' of git://xenbits.xen.org/people/ianc/linux into stable/for-linus-3.8
* 'arm-privcmd-for-3.8' of git://xenbits.xen.org/people/ianc/linux: xen: arm: implement remap interfaces needed for privcmd mappings. xen: correctly use xen_pfn_t in remap_domain_mfn_range. xen: arm: enable balloon driver xen: balloon: allow PVMMU interfaces to be compiled out xen: privcmd: support autotranslated physmap guests. xen: add pages parameter to xen_remap_domain_mfn_range Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/Kconfig1
-rw-r--r--arch/x86/xen/mmu.c17
2 files changed, 16 insertions, 2 deletions
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index fdce49c7aff..c31ee77e1ec 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -6,6 +6,7 @@ config XEN
bool "Xen guest support"
select PARAVIRT
select PARAVIRT_CLOCK
+ select XEN_HAVE_PVMMU
depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS)
depends on X86_CMPXCHG && X86_TSC
help
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 6226c99729b..fd8393f5506 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -2478,8 +2478,10 @@ static int remap_area_mfn_pte_fn(pte_t *ptep, pgtable_t token,
int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
unsigned long addr,
- unsigned long mfn, int nr,
- pgprot_t prot, unsigned domid)
+ xen_pfn_t mfn, int nr,
+ pgprot_t prot, unsigned domid,
+ struct page **pages)
+
{
struct remap_data rmd;
struct mmu_update mmu_update[REMAP_BATCH_SIZE];
@@ -2523,3 +2525,14 @@ out:
return err;
}
EXPORT_SYMBOL_GPL(xen_remap_domain_mfn_range);
+
+/* Returns: 0 success */
+int xen_unmap_domain_mfn_range(struct vm_area_struct *vma,
+ int numpgs, struct page **pages)
+{
+ if (!pages || !xen_feature(XENFEAT_auto_translated_physmap))
+ return 0;
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(xen_unmap_domain_mfn_range);