From: Ian Campbell <ian.campbell@citrix.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: elena.ufimtseva@oracle.com, wei.liu2@citrix.com,
stefano.stabellini@eu.citrix.com, andrew.cooper3@citrix.com,
dario.faggioli@citrix.com, ian.jackson@eu.citrix.com,
xen-devel@lists.xen.org, jbeulich@suse.com, keir@xen.org
Subject: Re: [PATCH v5 4/8] sysctl: Make XEN_SYSCTL_numainfo a little more efficient
Date: Fri, 20 Mar 2015 13:26:22 +0000 [thread overview]
Message-ID: <1426857982.21742.179.camel@citrix.com> (raw)
In-Reply-To: <1426802044-19444-5-git-send-email-boris.ostrovsky@oracle.com>
On Thu, 2015-03-19 at 17:54 -0400, Boris Ostrovsky wrote:
> A number of changes to XEN_SYSCTL_numainfo interface:
>
> * Make sysctl NUMA topology query use fewer copies by combining some
> fields into a single structure and copying distances for each node
> in a single copy.
> * NULL meminfo and distance handles are a request for maximum number
> of nodes (num_nodes). If those handles are valid and num_nodes is
> is smaller than the number of nodes in the system then -ENOBUFS is
> returned (and correct num_nodes is provided)
> * Instead of using max_node_index for passing number of nodes keep this
> value in num_nodes: almost all uses of max_node_index required adding
> or subtracting one to eventually get to number of nodes anyway.
> * Replace INVALID_NUMAINFO_ID with XEN_INVALID_MEM_SZ and add
> XEN_INVALID_NODE_DIST.
>
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
next prev parent reply other threads:[~2015-03-20 13:26 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-19 21:53 [PATCH v5 0/8] Display IO topology when PXM data is available (plus some cleanup) Boris Ostrovsky
2015-03-19 21:53 ` [PATCH v5 1/8] numa: __node_distance() should return u8 Boris Ostrovsky
2015-03-20 14:25 ` Konrad Rzeszutek Wilk
2015-03-19 21:53 ` [PATCH v5 2/8] pci: Stash device's PXM information in struct pci_dev Boris Ostrovsky
2015-03-20 14:01 ` Konrad Rzeszutek Wilk
2015-03-19 21:53 ` [PATCH v5 3/8] sysctl: Make XEN_SYSCTL_topologyinfo sysctl a little more efficient Boris Ostrovsky
2015-03-20 13:25 ` Ian Campbell
2015-03-20 14:00 ` Boris Ostrovsky
2015-03-20 14:10 ` Ian Campbell
2015-03-25 16:13 ` Andrew Cooper
2015-03-19 21:54 ` [PATCH v5 4/8] sysctl: Make XEN_SYSCTL_numainfo " Boris Ostrovsky
2015-03-20 13:26 ` Ian Campbell [this message]
2015-03-20 16:15 ` Jan Beulich
2015-03-19 21:54 ` [PATCH v5 5/8] sysctl: Add sysctl interface for querying PCI topology Boris Ostrovsky
2015-03-20 14:21 ` Konrad Rzeszutek Wilk
2015-03-20 16:26 ` Jan Beulich
2015-03-20 20:01 ` Boris Ostrovsky
2015-03-23 8:15 ` Jan Beulich
2015-03-23 13:58 ` Boris Ostrovsky
2015-03-19 21:54 ` [PATCH v5 6/8] libxl/libxc: Move libxl_get_cpu_topology()'s hypercall buffer management to libxc Boris Ostrovsky
2015-03-20 13:54 ` Ian Campbell
2015-03-20 14:24 ` Boris Ostrovsky
2015-03-20 14:30 ` Ian Campbell
2015-03-19 21:54 ` [PATCH v5 7/8] libxl/libxc: Move libxl_get_numainfo()'s " Boris Ostrovsky
2015-03-20 13:49 ` Konrad Rzeszutek Wilk
2015-03-20 14:10 ` Boris Ostrovsky
2015-03-20 14:21 ` Ian Campbell
2015-03-20 13:56 ` Ian Campbell
2015-03-20 14:31 ` Boris Ostrovsky
2015-03-20 14:46 ` Ian Campbell
2015-03-20 14:59 ` Boris Ostrovsky
2015-03-19 21:54 ` [PATCH v5 8/8] libxl: Add interface for querying hypervisor about PCI topology Boris Ostrovsky
2015-03-23 12:42 ` [PATCH v5 0/8] Display IO topology when PXM data is available (plus some cleanup) Julien Grall
2015-03-23 13:47 ` Boris Ostrovsky
2015-03-23 14:30 ` George Dunlap
2015-03-23 14:33 ` Boris Ostrovsky
2015-03-23 14:42 ` Ian Campbell
2015-03-23 15:26 ` Julien Grall
2015-03-23 15:27 ` Jan Beulich
2015-03-23 15:33 ` Boris Ostrovsky
2015-03-23 15:46 ` Jan Beulich
2015-03-23 14:30 ` Jan Beulich
2015-03-23 14:38 ` George Dunlap
2015-03-23 15:17 ` Ian Campbell
2015-03-23 15:21 ` Julien Grall
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