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-rw-r--r--arch/x86/kernel/irqflags.S11
-rw-r--r--arch/x86/kernel/paravirt.c1
-rw-r--r--arch/x86/kernel/paravirt_patch.c3
3 files changed, 0 insertions, 15 deletions
diff --git a/arch/x86/kernel/irqflags.S b/arch/x86/kernel/irqflags.S
index 0db0375235b4..8ef35063964b 100644
--- a/arch/x86/kernel/irqflags.S
+++ b/arch/x86/kernel/irqflags.S
@@ -13,14 +13,3 @@ SYM_FUNC_START(native_save_fl)
ret
SYM_FUNC_END(native_save_fl)
EXPORT_SYMBOL(native_save_fl)
-
-/*
- * void native_restore_fl(unsigned long flags)
- * %eax/%rdi: flags
- */
-SYM_FUNC_START(native_restore_fl)
- push %_ASM_ARG1
- popf
- ret
-SYM_FUNC_END(native_restore_fl)
-EXPORT_SYMBOL(native_restore_fl)
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 18560b71e717..c60222ab8ab9 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -320,7 +320,6 @@ struct paravirt_patch_template pv_ops = {
/* Irq ops. */
.irq.save_fl = __PV_IS_CALLEE_SAVE(native_save_fl),
- .irq.restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl),
.irq.irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable),
.irq.irq_enable = __PV_IS_CALLEE_SAVE(native_irq_enable),
.irq.safe_halt = native_safe_halt,
diff --git a/arch/x86/kernel/paravirt_patch.c b/arch/x86/kernel/paravirt_patch.c
index 2fada2c347c9..abd27ec67397 100644
--- a/arch/x86/kernel/paravirt_patch.c
+++ b/arch/x86/kernel/paravirt_patch.c
@@ -25,7 +25,6 @@ struct patch_xxl {
const unsigned char mmu_read_cr2[3];
const unsigned char mmu_read_cr3[3];
const unsigned char mmu_write_cr3[3];
- const unsigned char irq_restore_fl[2];
const unsigned char cpu_wbinvd[2];
const unsigned char mov64[3];
};
@@ -37,7 +36,6 @@ static const struct patch_xxl patch_data_xxl = {
.mmu_read_cr2 = { 0x0f, 0x20, 0xd0 }, // mov %cr2, %[re]ax
.mmu_read_cr3 = { 0x0f, 0x20, 0xd8 }, // mov %cr3, %[re]ax
.mmu_write_cr3 = { 0x0f, 0x22, 0xdf }, // mov %rdi, %cr3
- .irq_restore_fl = { 0x57, 0x9d }, // push %rdi; popfq
.cpu_wbinvd = { 0x0f, 0x09 }, // wbinvd
.mov64 = { 0x48, 0x89, 0xf8 }, // mov %rdi, %rax
};
@@ -71,7 +69,6 @@ unsigned int native_patch(u8 type, void *insn_buff, unsigned long addr,
switch (type) {
#ifdef CONFIG_PARAVIRT_XXL
- PATCH_CASE(irq, restore_fl, xxl, insn_buff, len);
PATCH_CASE(irq, save_fl, xxl, insn_buff, len);
PATCH_CASE(irq, irq_enable, xxl, insn_buff, len);
PATCH_CASE(irq, irq_disable, xxl, insn_buff, len);