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authorJuergen Gross <jgross@suse.com>2018-08-28 09:40:25 +0200
committerThomas Gleixner <tglx@linutronix.de>2018-09-03 16:50:37 +0200
commitfdc0269e8958a1ec95b8ac685c1d372c24c60faa (patch)
tree5acfe960e9ea5eafe04f7bb819976fb163d12919 /arch/x86/kernel/paravirt.c
parentx86/paravirt: Move the pv_irq_ops under the PARAVIRT_XXL umbrella (diff)
downloadlinux-fdc0269e8958a1ec95b8ac685c1d372c24c60faa.tar.xz
linux-fdc0269e8958a1ec95b8ac685c1d372c24c60faa.zip
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
Diffstat (limited to 'arch/x86/kernel/paravirt.c')
-rw-r--r--arch/x86/kernel/paravirt.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 5e8226335eac..bbf006fe78d7 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -384,11 +384,6 @@ struct paravirt_patch_template pv_ops = {
#endif /* CONFIG_PARAVIRT_XXL */
/* Mmu ops. */
- .mmu.read_cr2 = native_read_cr2,
- .mmu.write_cr2 = native_write_cr2,
- .mmu.read_cr3 = __native_read_cr3,
- .mmu.write_cr3 = native_write_cr3,
-
.mmu.flush_tlb_user = native_flush_tlb,
.mmu.flush_tlb_kernel = native_flush_tlb_global,
.mmu.flush_tlb_one_user = native_flush_tlb_one_user,
@@ -396,6 +391,14 @@ struct paravirt_patch_template pv_ops = {
.mmu.tlb_remove_table =
(void (*)(struct mmu_gather *, void *))tlb_remove_page,
+ .mmu.exit_mmap = paravirt_nop,
+
+#ifdef CONFIG_PARAVIRT_XXL
+ .mmu.read_cr2 = native_read_cr2,
+ .mmu.write_cr2 = native_write_cr2,
+ .mmu.read_cr3 = __native_read_cr3,
+ .mmu.write_cr3 = native_write_cr3,
+
.mmu.pgd_alloc = __paravirt_pgd_alloc,
.mmu.pgd_free = paravirt_nop,
@@ -448,7 +451,6 @@ struct paravirt_patch_template pv_ops = {
.mmu.make_pgd = PTE_IDENT,
.mmu.dup_mmap = paravirt_nop,
- .mmu.exit_mmap = paravirt_nop,
.mmu.activate_mm = paravirt_nop,
.mmu.lazy_mode = {
@@ -458,6 +460,7 @@ struct paravirt_patch_template pv_ops = {
},
.mmu.set_fixmap = native_set_fixmap,
+#endif /* CONFIG_PARAVIRT_XXL */
#if defined(CONFIG_PARAVIRT_SPINLOCKS)
/* Lock ops. */