From: Juergen Gross <jgross@suse.com>
To: xen-devel@lists.xenproject.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-integrity@vger.kernel.org,
linux-pci@vger.kernel.org
Cc: "Juergen Gross" <jgross@suse.com>,
"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Roger Pau Monné" <roger.pau@citrix.com>,
"Jens Axboe" <axboe@kernel.dk>,
"David S. Miller" <davem@davemloft.net>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Oleksandr Andrushchenko" <oleksandr_andrushchenko@epam.com>,
"David Airlie" <airlied@linux.ie>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Jaroslav Kysela" <perex@perex.cz>,
"Takashi Iwai" <tiwai@suse.com>,
alsa-devel@alsa-project.org, "Peter Huewe" <peterhuewe@gmx.de>,
"Jarkko Sakkinen" <jarkko@kernel.org>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Bjorn Helgaas" <bhelgaas@google.com>
Subject: [PATCH 00/18] xen: simplify frontend side ring setup
Date: Wed, 20 Apr 2022 17:09:24 +0200 [thread overview]
Message-ID: <20220420150942.31235-1-jgross@suse.com> (raw)
Many Xen PV frontends share similar code for setting up a ring page
(allocating and granting access for the backend) and for tearing it
down.
Create new service functions doing all needed steps in one go.
This requires all frontends to use a common value for an invalid
grant reference in order to make the functions idempotent.
Juergen Gross (18):
xen/blkfront: switch blkfront to use INVALID_GRANT_REF
xen/netfront: switch netfront to use INVALID_GRANT_REF
xen/scsifront: remove unused GRANT_INVALID_REF definition
xen/usb: switch xen-hcd to use INVALID_GRANT_REF
xen/drm: switch xen_drm_front to use INVALID_GRANT_REF
xen/sound: switch xen_snd_front to use INVALID_GRANT_REF
xen/dmabuf: switch gntdev-dmabuf to use INVALID_GRANT_REF
xen/shbuf: switch xen-front-pgdir-shbuf to use INVALID_GRANT_REF
xen/xenbus: add xenbus_setup_ring() service function
xen/blkfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/netfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/tpmfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/drmfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/pcifront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/scsifront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/usbfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/sndfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/xenbus: eliminate xenbus_grant_ring()
drivers/block/xen-blkfront.c | 54 ++++----------
drivers/char/tpm/xen-tpmfront.c | 18 +----
drivers/gpu/drm/xen/xen_drm_front.h | 9 ---
drivers/gpu/drm/xen/xen_drm_front_evtchnl.c | 40 +++-------
drivers/net/xen-netfront.c | 77 ++++++--------------
drivers/pci/xen-pcifront.c | 19 +----
drivers/scsi/xen-scsifront.c | 30 ++------
drivers/usb/host/xen-hcd.c | 59 ++++-----------
drivers/xen/gntdev-dmabuf.c | 13 +---
drivers/xen/xen-front-pgdir-shbuf.c | 17 +----
drivers/xen/xenbus/xenbus_client.c | 81 ++++++++++++++++-----
include/xen/xenbus.h | 4 +-
sound/xen/xen_snd_front_evtchnl.c | 41 +++--------
sound/xen/xen_snd_front_evtchnl.h | 9 ---
14 files changed, 156 insertions(+), 315 deletions(-)
--
2.34.1
next reply other threads:[~2022-04-20 15:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-20 15:09 Juergen Gross [this message]
2022-04-20 15:09 ` [PATCH 02/18] xen/netfront: switch netfront to use INVALID_GRANT_REF Juergen Gross
2022-04-20 15:09 ` [PATCH 11/18] xen/netfront: use xenbus_setup_ring() and xenbus_teardown_ring() Juergen Gross
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