Commit 50374b96 authored by Baoquan He's avatar Baoquan He Committed by Ingo Molnar
Browse files

x86/apic: Remove the (now) unused disable_IO_APIC() function



No one uses it anymore.

Signed-off-by: default avatarBaoquan He <bhe@redhat.com>
Reviewed-by: default avatarEric W. Biederman <ebiederm@xmission.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: douly.fnst@cn.fujitsu.com
Cc: joro@8bytes.org
Cc: prarit@redhat.com
Cc: uobergfe@redhat.com
Link: http://lkml.kernel.org/r/20180214054656.3780-5-bhe@redhat.com


[ Rewrote the changelog. ]
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 339b2ae0
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+0 −1
Original line number Diff line number Diff line
@@ -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);
+0 −13
Original line number Diff line number Diff line
@@ -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())
+2 −3
Original line number Diff line number Diff line
@@ -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();
+2 −3
Original line number Diff line number Diff line
@@ -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();