linux-kernel - [PATCH v5 1/3] PCI: hv: Add __aligned(8) to struct retarget_msi

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Date:   Fri, 1 Mar 2019 06:56:24 +0000
From:   Maya Nakamura <m.maya.nakamura@...il.com>
To:     lorenzo.pieralisi@....com, bhelgaas@...gle.com,
        linux-pci@...r.kernel.org, kys@...rosoft.com,
        sthemmin@...rosoft.com, olaf@...fle.de, apw@...onical.com,
        jasowang@...hat.com, mikelley@...rosoft.com,
        Alexander.Levin@...rosoft.com
Cc:     linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org,
        haiyangz@...rosoft.com, vkuznets@...hat.com,
        marcelo.cerri@...onical.com
Subject: [PATCH v5 1/3] PCI: hv: Add __aligned(8) to struct
 retarget_msi_interrupt

Because Hyper-V requires that hypercall arguments be aligned on an 8
byte boundary, add __aligned(8) to struct retarget_msi_interrupt.

Link: https://lore.kernel.org/lkml/87k1hlqlby.fsf@vitty.brq.redhat.com/
Signed-off-by: Maya Nakamura <m.maya.nakamura@...il.com>
---
 drivers/pci/controller/pci-hyperv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 9ba4d12c179c..73862eef09ec 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -420,7 +420,7 @@ struct retarget_msi_interrupt {
 	struct hv_interrupt_entry int_entry;
 	u64	reserved2;
 	struct hv_device_interrupt_target int_target;
-} __packed;
+} __packed __aligned(8);
 
 /*
  * Driver specific state.
-- 
2.17.1