[PATCH 6.8 677/715] virtio: uapi: Drop __packed attribute in linux/virtio_pci.h

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From: Suzuki K Poulose <suzuki.poulose@xxxxxxx>

[ Upstream commit ec6ecb844d14d38b7dae8beb74e3d65db9c7b3e6 ]

Commit 92792ac752aa ("virtio-pci: Introduce admin command sending function")
added "__packed" structures to UAPI header linux/virtio_pci.h. This triggers
build failures in the consumer userspace applications without proper "definition"
of __packed (e.g., kvmtool build fails).

Moreover, the structures are already packed well, and doesn't need explicit
packing, similar to the rest of the structures in all virtio_* headers. Remove
the __packed attribute.

Fixes: 92792ac752aa ("virtio-pci: Introduce admin command sending function")
Cc: Feng Liu <feliu@xxxxxxxxxx>
Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
Cc: Yishai Hadas <yishaih@xxxxxxxxxx>
Cc: Alex Williamson <alex.williamson@xxxxxxxxxx>
Cc: Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx>
Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
Message-Id: <20240125232039.913606-1-suzuki.poulose@xxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 include/uapi/linux/virtio_pci.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h
index ef3810dee7efa..a8208492e8227 100644
--- a/include/uapi/linux/virtio_pci.h
+++ b/include/uapi/linux/virtio_pci.h
@@ -240,7 +240,7 @@ struct virtio_pci_cfg_cap {
 #define VIRTIO_ADMIN_CMD_LEGACY_DEV_CFG_READ		0x5
 #define VIRTIO_ADMIN_CMD_LEGACY_NOTIFY_INFO		0x6
 
-struct __packed virtio_admin_cmd_hdr {
+struct virtio_admin_cmd_hdr {
 	__le16 opcode;
 	/*
 	 * 1 - SR-IOV
@@ -252,20 +252,20 @@ struct __packed virtio_admin_cmd_hdr {
 	__le64 group_member_id;
 };
 
-struct __packed virtio_admin_cmd_status {
+struct virtio_admin_cmd_status {
 	__le16 status;
 	__le16 status_qualifier;
 	/* Unused, reserved for future extensions. */
 	__u8 reserved2[4];
 };
 
-struct __packed virtio_admin_cmd_legacy_wr_data {
+struct virtio_admin_cmd_legacy_wr_data {
 	__u8 offset; /* Starting offset of the register(s) to write. */
 	__u8 reserved[7];
 	__u8 registers[];
 };
 
-struct __packed virtio_admin_cmd_legacy_rd_data {
+struct virtio_admin_cmd_legacy_rd_data {
 	__u8 offset; /* Starting offset of the register(s) to read. */
 };
 
@@ -275,7 +275,7 @@ struct __packed virtio_admin_cmd_legacy_rd_data {
 
 #define VIRTIO_ADMIN_CMD_MAX_NOTIFY_INFO 4
 
-struct __packed virtio_admin_cmd_notify_info_data {
+struct virtio_admin_cmd_notify_info_data {
 	__u8 flags; /* 0 = end of list, 1 = owner device, 2 = member device */
 	__u8 bar; /* BAR of the member or the owner device */
 	__u8 padding[6];
-- 
2.43.0





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