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* [patch 5/8] x86/ioapic: Use apic_ack_irq()
@ 2018-06-04 15:33 Thomas Gleixner
  2018-06-05  7:13 ` Song Liu
  2018-06-06 13:33 ` [tip:x86/urgent] " tip-bot for Thomas Gleixner
  0 siblings, 2 replies; 3+ messages in thread
From: Thomas Gleixner @ 2018-06-04 15:33 UTC (permalink / raw)
  To: LKML
  Cc: Ingo Molnar, Peter Zijlstra, Borislav Petkov, Dmitry Safonov,
	Tariq Toukan, Song Liu, Joerg Roedel, Mike Travis, stable

[-- Attachment #0: x86-ioapic--Use-apic_ack_irq.patch --]
[-- Type: text/plain, Size: 800 bytes --]

To address the EBUSY fail of interrupt affinity settings in case that the
previous setting has not been cleaned up yet, use the new apic_ack_irq()
function instead of directly invoking ack_APIC_irq().

Preparatory change for the real fix

Fixes: dccfe3147b42 ("x86/vector: Simplify vector move cleanup")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
---
 arch/x86/kernel/apic/io_apic.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1851,7 +1851,7 @@ static void ioapic_ir_ack_level(struct i
 	 * intr-remapping table entry. Hence for the io-apic
 	 * EOI we use the pin number.
 	 */
-	ack_APIC_irq();
+	apic_ack_irq(irq_data);
 	eoi_ioapic_pin(data->entry.vector, data);
 }
 

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2018-06-04 15:33 [patch 5/8] x86/ioapic: Use apic_ack_irq() Thomas Gleixner
2018-06-05  7:13 ` Song Liu
2018-06-06 13:33 ` [tip:x86/urgent] " tip-bot for Thomas Gleixner

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