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On Wed, 28 Aug 2013 14:00:10 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > On Wed, Aug 28, 2013 at 01:25:50PM -0700, Andrew Morton wrote: > > On Wed, 28 Aug 2013 12:55:17 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > > > > > Fixup patch, addressing Andrew's review feedback: > > > &...

On Wed, 28 Aug 2013 14:00:10 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > On Wed, Aug 28, 2013 at 01:25:50PM -0700, Andrew Morton wrote: > > On Wed, 28 Aug 2013 12:55:17 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > > > > > Fixup patch, addressing Andrew's review feedback: > > > &...

On Wed, 28 Aug 2013 12:55:17 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > Fixup patch, addressing Andrew's review feedback: Looks reasonable. > lib/idr.c | 38 +++++++++++++++++++++----------------- I still don't think it should be in this file. You say that some as-yet-unmerged patches will tie the new c...

On Wed, 28 Aug 2013 12:55:17 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > Fixup patch, addressing Andrew's review feedback: Looks reasonable. > lib/idr.c | 38 +++++++++++++++++++++----------------- I still don't think it should be in this file. You say that some as-yet-unmerged patches will tie the new c...

CONFIG_VIRTIO isn't exposed, everything else is supposed to select it instead. Signed-off-by: Kent Overstreet <koverstreet at google.com> --- drivers/block/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index a796407..d4e1d12 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -521,7 +521,8 @@ config XEN_BL...

CONFIG_VIRTIO isn't exposed, everything else is supposed to select it instead. Signed-off-by: Kent Overstreet <koverstreet at google.com> --- drivers/block/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index a796407..d4e1d12 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -521,7 +521,8 @@ config XEN_BL...

On Wed, 28 Aug 2013 12:53:17 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > > > + while (1) { > > > + spin_lock(&pool->lock); > > > + > > > + /* > > > + * prepare_to_wait() must come before steal_tags(), in case > > > + * percpu_ida_free() on another cpu flips a bit in...

On Wed, 28 Aug 2013 12:53:17 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > > > + while (1) { > > > + spin_lock(&pool->lock); > > > + > > > + /* > > > + * prepare_to_wait() must come before steal_tags(), in case > > > + * percpu_ida_free() on another cpu flips a bit in...

...ould have a udp filter between you box and your phones. I see >that before. > >Can you call those phones? > >Carlos Alperin > >-----Original Message----- >From: asterisk-users-bounces@lists.digium.com >[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Ross >Overstreet >Sent: Saturday, July 09, 2005 2:04 PM >To: asterisk-users@lists.digium.com >Subject: [Asterisk-Users] Remote SIP Connection using Asterisk // >Cisco7940's > >Asterisk/phones work perfectly within our LAN. Asterisk box has a public IP >- no NAT or firewalls. When I take...

On Wed, 28 Aug 2013 13:44:54 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > > > > What guarantees that this wait will terminate? > > > > > > It seems fairly clear to me from the break statement a couple lines up; > > > if we were passed __GFP_WAIT we terminate iff we succesfully allocated a >...

On Wed, 28 Aug 2013 13:44:54 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > > > > What guarantees that this wait will terminate? > > > > > > It seems fairly clear to me from the break statement a couple lines up; > > > if we were passed __GFP_WAIT we terminate iff we succesfully allocated a >...

On Wed, Aug 28, 2013 at 02:10:19PM -0700, Andrew Morton wrote: > On Wed, 28 Aug 2013 14:00:10 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > > > On Wed, Aug 28, 2013 at 01:25:50PM -0700, Andrew Morton wrote: > > > On Wed, 28 Aug 2013 12:55:17 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > > > > > > > Fixup patch, addressing Andrew's review fe...

On Wed, 28 Aug 2013 14:23:58 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > > I found things to be quite the opposite - it took 5 minutes of staring, > > head-scratching, double-checking and penny-dropping before I was > > confident that the newly-added code actually has nothing at all to do > > with the curren...

On Wed, 28 Aug 2013 14:23:58 -0700 Kent Overstreet <kmo at daterainc.com> wrote: > > I found things to be quite the opposite - it took 5 minutes of staring, > > head-scratching, double-checking and penny-dropping before I was > > confident that the newly-added code actually has nothing at all to do > > with the curren...

On Fri, 16 Aug 2013 23:09:06 +0000 "Nicholas A. Bellinger" <nab at linux-iscsi.org> wrote: > From: Kent Overstreet <kmo at daterainc.com> > > Percpu frontend for allocating ids. With percpu allocation (that works), > it's impossible to guarantee it will always be possible to allocate all > nr_tags - typically, some will be stuck on a remote percpu freelist > where the current job can...

On Fri, 16 Aug 2013 23:09:06 +0000 "Nicholas A. Bellinger" <nab at linux-iscsi.org> wrote: > From: Kent Overstreet <kmo at daterainc.com> > > Percpu frontend for allocating ids. With percpu allocation (that works), > it's impossible to guarantee it will always be possible to allocate all > nr_tags - typically, some will be stuck on a remote percpu freelist > where the current job can...

...adds pre-allocation of per tcm_vhost_cmd descriptor scatterlist + user-space page pointer memory, that allows the last two fast-path allocations to be dropped from tcm_vhost_submission_work() -> vhost_scsi_map_to_sgl() fast-path execution. Please review as v3.12 material. Thanks! --nab Kent Overstreet (1): idr: Percpu ida Nicholas Bellinger (3): target: Add transport_init_session_tags using per-cpu ida vhost/scsi: Convert to per-cpu ida_alloc + ida_free command map vhost/scsi: Add pre-allocation for tv_cmd SGL + upages memory drivers/target/target_core_transport.c | 33 ++++ drivers...

...adds pre-allocation of per tcm_vhost_cmd descriptor scatterlist + user-space page pointer memory, that allows the last two fast-path allocations to be dropped from tcm_vhost_submission_work() -> vhost_scsi_map_to_sgl() fast-path execution. Please review as v3.12 material. Thanks! --nab Kent Overstreet (1): idr: Percpu ida Nicholas Bellinger (3): target: Add transport_init_session_tags using per-cpu ida vhost/scsi: Convert to per-cpu ida_alloc + ida_free command map vhost/scsi: Add pre-allocation for tv_cmd SGL + upages memory drivers/target/target_core_transport.c | 33 ++++ drivers...

From: Nicholas Bellinger <nab at linux-iscsi.org> Hi folks, This is an updated series for adding tag pre-allocation support of target fabric descriptor memory, utilizing Kent's latest in-flight per-cpu ida bits here: [PATCH v3] lib/idr.c rewrite, percpu ida/tag allocator http://marc.info/?l=linux-kernel&m=137308733526328&w=2 Patch #1 includes target-core setup of

From: Nicholas Bellinger <nab at linux-iscsi.org> Hi folks, This is an updated series for adding tag pre-allocation support of target fabric descriptor memory, utilizing Kent's latest in-flight per-cpu ida bits here: [PATCH v3] lib/idr.c rewrite, percpu ida/tag allocator http://marc.info/?l=linux-kernel&m=137308733526328&w=2 Patch #1 includes target-core setup of