From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org
Cc: Juergen Gross <jgross@suse.com>,
wei.liu2@citrix.com, netdev@vger.kernel.org,
paul.durrant@citrix.com, boris.ostrovsky@oracle.com,
roger.pau@citrix.com
Subject: [PATCH 0/3] xen: optimize xenbus performance
Date: Fri, 6 Jan 2017 16:05:41 +0100 [thread overview]
Message-ID: <20170106150544.10836-1-jgross@suse.com> (raw)
The xenbus driver used for communication with Xenstore (all kernel
accesses to Xenstore and in case of Xenstore living in another domain
all accesses of the local domain to Xenstore) is rather simple
especially regarding multiple concurrent accesses: they are just being
serialized in spite of Xenstore being capable to handle multiple
parallel accesses.
Clean up the external interface(s) of xenbus and optimize its
performance by allowing multiple concurrent accesses to Xenstore.
Juergen Gross (3):
xen: clean up xenbus internal headers
xen: modify xenstore watch event interface
xen: optimize xenbus driver for multiple concurrent xenstore accesses
drivers/block/xen-blkback/xenbus.c | 6 +-
drivers/net/xen-netback/xenbus.c | 8 +-
drivers/xen/cpu_hotplug.c | 5 +-
drivers/xen/manage.c | 6 +-
drivers/xen/xen-balloon.c | 2 +-
drivers/xen/xen-pciback/xenbus.c | 2 +-
drivers/xen/xenbus/xenbus.h | 134 ++++++++
drivers/xen/xenbus/xenbus_client.c | 6 +-
drivers/xen/xenbus/xenbus_comms.c | 319 +++++++++++++++--
drivers/xen/xenbus/xenbus_comms.h | 51 ---
drivers/xen/xenbus/xenbus_dev_backend.c | 2 +-
drivers/xen/xenbus/xenbus_dev_frontend.c | 213 +++++++-----
drivers/xen/xenbus/xenbus_probe.c | 14 +-
drivers/xen/xenbus/xenbus_probe.h | 88 -----
drivers/xen/xenbus/xenbus_probe_backend.c | 11 +-
drivers/xen/xenbus/xenbus_probe_frontend.c | 17 +-
drivers/xen/xenbus/xenbus_xs.c | 535 +++++++++++++----------------
drivers/xen/xenfs/super.c | 2 +-
drivers/xen/xenfs/xenstored.c | 2 +-
include/xen/xenbus.h | 18 +-
20 files changed, 830 insertions(+), 611 deletions(-)
create mode 100644 drivers/xen/xenbus/xenbus.h
delete mode 100644 drivers/xen/xenbus/xenbus_comms.h
delete mode 100644 drivers/xen/xenbus/xenbus_probe.h
Cc: konrad.wilk@oracle.com
Cc: roger.pau@citrix.com
Cc: wei.liu2@citrix.com
Cc: paul.durrant@citrix.com
Cc: netdev@vger.kernel.org
--
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next reply other threads:[~2017-01-06 15:05 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-06 15:05 Juergen Gross [this message]
2017-01-06 15:05 ` [PATCH 2/3] xen: modify xenstore watch event interface Juergen Gross
2017-01-06 15:38 ` Paul Durrant
2017-01-06 16:29 ` Wei Liu
2017-01-06 16:37 ` Roger Pau Monné
2017-01-06 21:57 ` Boris Ostrovsky
2017-01-09 7:12 ` Juergen Gross
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