| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.16 50/64] x86/ioapic: Use apic_ack_irq() | Date | Sun, 24 Jun 2018 23:22:31 +0800 |
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4.16-stable review patch. If anyone has any objections, please let me know.
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From: Thomas Gleixner <tglx@linutronix.de>
commit 2b04e46d8d0b9b7ac08ded672e3eab823f01d77a upstream.
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> Tested-by: Song Liu <songliubraving@fb.com> Cc: Joerg Roedel <jroedel@suse.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <liu.song.a23@gmail.com> Cc: Dmitry Safonov <0x7f454c46@gmail.com> Cc: stable@vger.kernel.org Cc: Mike Travis <mike.travis@hpe.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Tariq Toukan <tariqt@mellanox.com> Link: https://lkml.kernel.org/r/20180604162224.639011135@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 @@ -1859,7 +1859,7 @@ 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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