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From: tip-bot for Thomas Gleixner <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: jroedel@suse.de, 0x7f454c46@gmail.com, peterz@infradead.org,
	tariqt@mellanox.com, songliubraving@fb.com,
	linux-kernel@vger.kernel.org, bp@alien8.de, mingo@kernel.org,
	tglx@linutronix.de, mike.travis@hpe.com, liu.song.a23@gmail.com,
	hpa@zytor.com
Subject: [tip:x86/urgent] x86/ioapic: Use apic_ack_irq()
Date: Wed, 6 Jun 2018 06:33:21 -0700
Message-ID: <tip-2b04e46d8d0b9b7ac08ded672e3eab823f01d77a@git.kernel.org> (raw)
In-Reply-To: <20180604162224.639011135@linutronix.de>

Commit-ID:  2b04e46d8d0b9b7ac08ded672e3eab823f01d77a
Gitweb:     https://git.kernel.org/tip/2b04e46d8d0b9b7ac08ded672e3eab823f01d77a
Author:     Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Mon, 4 Jun 2018 17:33:57 +0200
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Wed, 6 Jun 2018 15:18:21 +0200

x86/ioapic: Use apic_ack_irq()

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

---
 arch/x86/kernel/apic/io_apic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 7553819c74c3..3982f79d2377 100644
--- 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 irq_data *irq_data)
 	 * 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);
 }
 

      parent reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-04 15:33 [patch 5/8] " Thomas Gleixner
2018-06-05  7:13 ` Song Liu
2018-06-06 13:33 ` tip-bot for Thomas Gleixner [this message]

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