1 files changed, 0 insertions, 75 deletions
diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c
deleted file mode 100644
index 9d9e04b31077..000000000000
--- a/arch/x86/kernel/paravirt_patch_64.c
+++ /dev/null
@@ -1,75 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <asm/paravirt.h>
-#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");
-DEF_NATIVE(mmu, read_cr2, "movq %cr2, %rax");
-DEF_NATIVE(mmu, read_cr3, "movq %cr3, %rax");
-DEF_NATIVE(mmu, write_cr3, "movq %rdi, %cr3");
-DEF_NATIVE(cpu, wbinvd, "wbinvd");
-
-DEF_NATIVE(cpu, usergs_sysret64, "swapgs; sysretq");
-DEF_NATIVE(cpu, swapgs, "swapgs");
-DEF_NATIVE(, mov64, "mov %rdi, %rax");
-
-unsigned paravirt_patch_ident_64(void *insnbuf, unsigned len)
-{
-	return paravirt_patch_insns(insnbuf, len,
-				    start__mov64, end__mov64);
-}
-#endif
-
-#if defined(CONFIG_PARAVIRT_SPINLOCKS)
-DEF_NATIVE(lock, queued_spin_unlock, "movb $0, (%rdi)");
-DEF_NATIVE(lock, vcpu_is_preempted, "xor %eax, %eax");
-#endif
-
-extern bool pv_is_native_spin_unlock(void);
-extern bool pv_is_native_vcpu_is_preempted(void);
-
-unsigned native_patch(u8 type, void *ibuf, unsigned long addr, unsigned len)
-{
-#define PATCH_SITE(ops, x)					\
-	case PARAVIRT_PATCH(ops.x):				\
-		return paravirt_patch_insns(ibuf, len, start_##ops##_##x, end_##ops##_##x)
-
-	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);
-		PATCH_SITE(cpu, usergs_sysret64);
-		PATCH_SITE(cpu, swapgs);
-		PATCH_SITE(cpu, wbinvd);
-		PATCH_SITE(mmu, read_cr2);
-		PATCH_SITE(mmu, read_cr3);
-		PATCH_SITE(mmu, write_cr3);
-#endif
-#if defined(CONFIG_PARAVIRT_SPINLOCKS)
-	case PARAVIRT_PATCH(lock.queued_spin_unlock):
-		if (pv_is_native_spin_unlock())
-			return paravirt_patch_insns(ibuf, len,
-						    start_lock_queued_spin_unlock,
-						    end_lock_queued_spin_unlock);
-		break;
-
-	case PARAVIRT_PATCH(lock.vcpu_is_preempted):
-		if (pv_is_native_vcpu_is_preempted())
-			return paravirt_patch_insns(ibuf, len,
-						    start_lock_vcpu_is_preempted,
-						    end_lock_vcpu_is_preempted);
-		break;
-#endif
-
-	default:
-		break;
-	}
-#undef PATCH_SITE
-	return paravirt_patch_default(type, ibuf, addr, len);
-}