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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-11-30 22:07:59 (GMT) |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-11-30 22:07:59 (GMT) |
| commit | 6a7ed405114b2a53ccd99631b0636aaeabf71b3e (patch) | |
| tree | f8bb0dcddc66c59843433e2283f6bea57cc8ce24 /arch/x86/xen | |
| parent | a7be94ac8d69c037d08f0fd94b45a593f1d45176 (diff) | |
| parent | f832da068b0aadb15f747f6427b6bf945f525ba4 (diff) | |
| download | linux-fsl-qoriq-6a7ed405114b2a53ccd99631b0636aaeabf71b3e.tar.xz | |
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/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/xen/mmu.c | 17 |
2 files changed, 16 insertions, 2 deletions
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig index fdce49c..c31ee77 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 6226c99..fd8393f 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); |