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authorJuergen Gross <jgross@suse.com>2018-08-28 09:40:24 +0200
committerThomas Gleixner <tglx@linutronix.de>2018-09-03 16:50:36 +0200
commit6da63eb241a05b0e676d68975e793c0521387141 (patch)
tree21da6e29257b0cb1630163600bf6760041bbeb7b /arch/x86/kernel/paravirt_patch_64.c
parent9bad5658ea710f45e4ee68b88a01cfe1839d8b00 (diff)
x86/paravirt: Move the pv_irq_ops under the PARAVIRT_XXL umbrella
All of the paravirt ops defined in pv_irq_ops are for Xen PV guests or VSMP 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/20180828074026.820-14-jgross@suse.com
Diffstat (limited to 'arch/x86/kernel/paravirt_patch_64.c')
-rw-r--r--arch/x86/kernel/paravirt_patch_64.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c
index 461aba038ada..b00937963a0f 100644
--- a/arch/x86/kernel/paravirt_patch_64.c
+++ b/arch/x86/kernel/paravirt_patch_64.c
@@ -3,10 +3,12 @@
#include <asm/asm-offsets.h>
#include <linux/stringify.h>
+#ifdef CONFIG_PARAVIRT_XXL
DEF_NATIVE(irq, irq_disable, "cli");
DEF_NATIVE(irq, irq_enable, "sti");
DEF_NATIVE(irq, restore_fl, "pushq %rdi; popfq");
DEF_NATIVE(irq, save_fl, "pushfq; popq %rax");
+#endif
DEF_NATIVE(mmu, read_cr2, "movq %cr2, %rax");
DEF_NATIVE(mmu, read_cr3, "movq %cr3, %rax");
DEF_NATIVE(mmu, write_cr3, "movq %rdi, %cr3");
@@ -51,11 +53,11 @@ unsigned native_patch(u8 type, void *ibuf, unsigned long addr, unsigned len)
end = end_##ops##_##x; \
goto patch_site
switch(type) {
+#ifdef CONFIG_PARAVIRT_XXL
PATCH_SITE(irq, restore_fl);
PATCH_SITE(irq, save_fl);
PATCH_SITE(irq, irq_enable);
PATCH_SITE(irq, irq_disable);
-#ifdef CONFIG_PARAVIRT_XXL
PATCH_SITE(cpu, usergs_sysret64);
PATCH_SITE(cpu, swapgs);
PATCH_SITE(cpu, wbinvd);