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From: "Michael S. Tsirkin" <mst@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: "Andrew Lunn" <andrew@lunn.ch>, "Paolo Abeni" <pabeni@redhat.com>,
	"Jason Wang" <jasowang@redhat.com>,
	"Eugenio Pérez" <eperezma@redhat.com>,
	"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
	"Jonathan Corbet" <corbet@lwn.net>,
	kvm@vger.kernel.org, virtualization@lists.linux.dev,
	netdev@vger.kernel.org, linux-doc@vger.kernel.org
Subject: [PATCH v6 0/3] virtio: feature related cleanups
Date: Thu, 27 Nov 2025 01:40:28 -0500	[thread overview]
Message-ID: <cover.1764225384.git.mst@redhat.com> (raw)



Cleanup around handling of feature bits:
- address word/dword/qword confusion
- simplify interfaces so callers do not need to
  remember in which 64 bit chunk each bit belongs

changes from v5:
  rename variables in vhost to make the diff much smaller
changes from v4: address comments by Jason
  move features variable to beginning of block
  unsigned long -> u64 - they are not the same
changes from v3:
  drop an out of date unnecessary kdoc parser change

changes from v2:
- drop unnecessary casts
- rework the interface to use array of bits not


Michael S. Tsirkin (3):
  virtio: clean up features qword/dword terms
  vhost/test: add test specific macro for features
  vhost: switch to arrays of feature bits

 drivers/vhost/net.c                    | 29 +++++++++---------
 drivers/vhost/scsi.c                   |  9 ++++--
 drivers/vhost/test.c                   | 10 ++++--
 drivers/vhost/vhost.h                  | 42 +++++++++++++++++++++-----
 drivers/vhost/vsock.c                  | 10 +++---
 drivers/virtio/virtio.c                | 12 ++++----
 drivers/virtio/virtio_debug.c          | 10 +++---
 drivers/virtio/virtio_pci_modern_dev.c |  6 ++--
 include/linux/virtio.h                 |  2 +-
 include/linux/virtio_config.h          |  2 +-
 include/linux/virtio_features.h        | 29 +++++++++---------
 include/linux/virtio_pci_modern.h      |  8 ++---
 12 files changed, 104 insertions(+), 65 deletions(-)

-- 
MST


             reply	other threads:[~2025-11-27  6:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-27  6:40 Michael S. Tsirkin [this message]
2025-11-27  6:40 ` [PATCH v6 1/3] virtio: clean up features qword/dword terms Michael S. Tsirkin
2025-11-27  6:40 ` [PATCH v6 2/3] vhost/test: add test specific macro for features Michael S. Tsirkin
2025-11-27  6:40 ` [PATCH v6 3/3] vhost: switch to arrays of feature bits Michael S. Tsirkin
2025-11-28  2:39   ` Jason Wang
2025-11-30 23:03     ` Michael S. Tsirkin

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