No one uses it anymore.
Signed-off-by: Baoquan He <b...@redhat.com>
---
arch/x86/include/asm/io_apic.h | 1 -
arch/x86/kernel/apic/io_apic.c | 13 -------------
arch/x86/kernel/machine_kexec_32.c | 5 ++---
arch/x86/kernel/machine_kexec_64.c | 5 ++---
4 files changed, 4 insertions(+), 20 deletions(-)
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 0fa95bfacb39..5e389145d808 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -192,7 +192,6 @@ static inline unsigned int io_apic_read(unsigned int apic,
unsigned int reg)
extern void setup_IO_APIC(void);
extern void enable_IO_APIC(void);
-extern void disable_IO_APIC(void);
extern void clear_IO_APIC(void);
extern void restore_boot_irq_mode(void);
extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 2d7cd2db77f5..9d86b10c2121 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1438,19 +1438,6 @@ void native_disable_io_apic(void)
disconnect_bsp_APIC(ioapic_i8259.pin != -1);
}
-/*
- * Not an __init, needed by the reboot code
- */
-void disable_IO_APIC(void)
-{
- /*
- * Clear the IO-APIC before rebooting:
- */
- clear_IO_APIC();
-
- restore_boot_irq_mode();
-}
-
void restore_boot_irq_mode(void)
{
if (!nr_legacy_irqs())
diff --git a/arch/x86/kernel/machine_kexec_32.c
b/arch/x86/kernel/machine_kexec_32.c
index 4cd79d88a4ac..60cdec6628b0 100644
--- a/arch/x86/kernel/machine_kexec_32.c
+++ b/arch/x86/kernel/machine_kexec_32.c
@@ -195,9 +195,8 @@ void machine_kexec(struct kimage *image)
/*
* We need to put APICs in legacy mode so that we can
* get timer interrupts in second kernel. kexec/kdump
- * paths already have calls to disable_IO_APIC() in
- * one form or other. kexec jump path also need
- * one.
+ * paths already have calls to restore_boot_irq_mode()
+ * in one form or other. kexec jump path also need one.
*/
clear_IO_APIC();
restore_boot_irq_mode();
diff --git a/arch/x86/kernel/machine_kexec_64.c
b/arch/x86/kernel/machine_kexec_64.c
index 2ab14b9c1a89..5ffbc55ea80f 100644
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -293,9 +293,8 @@ void machine_kexec(struct kimage *image)
/*
* We need to put APICs in legacy mode so that we can
* get timer interrupts in second kernel. kexec/kdump
- * paths already have calls to disable_IO_APIC() in
- * one form or other. kexec jump path also need
- * one.
+ * paths already have calls to restore_boot_irq_mode()
+ * in one form or other. kexec jump path also need one.
*/
clear_IO_APIC();
restore_boot_irq_mode();
--
2.13.6
