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-rw-r--r--arch/x86/xen/mmu.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 42086ac406af..1ceb0f2fa0af 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -395,7 +395,7 @@ static bool xen_iomap_pte(pte_t pte)
return pte_flags(pte) & _PAGE_IOMAP;
}
-static void xen_set_iomap_pte(pte_t *ptep, pte_t pteval)
+void xen_set_domain_pte(pte_t *ptep, pte_t pteval, unsigned domid)
{
struct multicall_space mcs;
struct mmu_update *u;
@@ -407,10 +407,16 @@ static void xen_set_iomap_pte(pte_t *ptep, pte_t pteval)
u->ptr = arbitrary_virt_to_machine(ptep).maddr;
u->val = pte_val_ma(pteval);
- MULTI_mmu_update(mcs.mc, mcs.args, 1, NULL, DOMID_IO);
+ MULTI_mmu_update(mcs.mc, mcs.args, 1, NULL, domid);
xen_mc_issue(PARAVIRT_LAZY_MMU);
}
+EXPORT_SYMBOL_GPL(xen_set_domain_pte);
+
+static void xen_set_iomap_pte(pte_t *ptep, pte_t pteval)
+{
+ xen_set_domain_pte(ptep, pteval, DOMID_IO);
+}
static void xen_extend_mmu_update(const struct mmu_update *update)
{