x86/paravirt: Move the Xen-only pv_mmu_ops under the PARAVIRT_XXL umbrella

Most of the paravirt ops defined in pv_mmu_ops are for Xen PV guests
only. Define them only if CONFIG_PARAVIRT_XXL is set.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: xen-devel@lists.xenproject.org
Cc: virtualization@lists.linux-foundation.org
Cc: akataria@vmware.com
Cc: rusty@rustcorp.com.au
Cc: boris.ostrovsky@oracle.com
Cc: hpa@zytor.com
Link: https://lkml.kernel.org/r/20180828074026.820-15-jgross@suse.com

1 files changed, 17 insertions, 16 deletions

diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index f582093b52dd..a0094aaf073e 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -91,13 +91,14 @@ struct pv_init_ops {
 			  unsigned long addr, unsigned len);
 } __no_randomize_layout;
 
-
+#ifdef CONFIG_PARAVIRT_XXL
 struct pv_lazy_ops {
 	/* Set deferred update mode, used for batching operations. */
 	void (*enter)(void);
 	void (*leave)(void);
 	void (*flush)(void);
 } __no_randomize_layout;
+#endif
 
 struct pv_time_ops {
 	unsigned long long (*sched_clock)(void);
@@ -205,31 +206,30 @@ struct pv_irq_ops {
 } __no_randomize_layout;
 
 struct pv_mmu_ops {
+	/* TLB operations */
+	void (*flush_tlb_user)(void);
+	void (*flush_tlb_kernel)(void);
+	void (*flush_tlb_one_user)(unsigned long addr);
+	void (*flush_tlb_others)(const struct cpumask *cpus,
+				 const struct flush_tlb_info *info);
+
+	void (*tlb_remove_table)(struct mmu_gather *tlb, void *table);
+
+	/* Hook for intercepting the destruction of an mm_struct. */
+	void (*exit_mmap)(struct mm_struct *mm);
+
+#ifdef CONFIG_PARAVIRT_XXL
 	unsigned long (*read_cr2)(void);
 	void (*write_cr2)(unsigned long);
 
 	unsigned long (*read_cr3)(void);
 	void (*write_cr3)(unsigned long);
 
-	/*
-	 * Hooks for intercepting the creation/use/destruction of an
-	 * mm_struct.
-	 */
+	/* Hooks for intercepting the creation/use of an mm_struct. */
 	void (*activate_mm)(struct mm_struct *prev,
 			    struct mm_struct *next);
 	void (*dup_mmap)(struct mm_struct *oldmm,
 			 struct mm_struct *mm);
-	void (*exit_mmap)(struct mm_struct *mm);
-
-
-	/* TLB operations */
-	void (*flush_tlb_user)(void);
-	void (*flush_tlb_kernel)(void);
-	void (*flush_tlb_one_user)(unsigned long addr);
-	void (*flush_tlb_others)(const struct cpumask *cpus,
-				 const struct flush_tlb_info *info);
-
-	void (*tlb_remove_table)(struct mmu_gather *tlb, void *table);
 
 	/* Hooks for allocating and freeing a pagetable top-level */
 	int  (*pgd_alloc)(struct mm_struct *mm);
@@ -304,6 +304,7 @@ struct pv_mmu_ops {
 	   an mfn.  We can tell which is which from the index. */
 	void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx,
 			   phys_addr_t phys, pgprot_t flags);
+#endif
 } __no_randomize_layout;
 
 struct arch_spinlock;