[PATCH 04/21] X86_64, UV: Add UV MMR Illegal Access Function

2016-04-27 Thread Mike Travis
the problem. It allows functions common to some UV arches to use common defines that might not be fully defined for all arches, as long as they do not reference them on the unsupported arches. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Tested-by: John Estabrook Tested-by: Gary

[PATCH 20/21] X86_64, UV: Remove Obsolete GRU MMR address translation

2016-04-27 Thread Mike Travis
From: Dimitri Sivanich Use no-op messages in place of cross-partition interrupts when nacking a put message in the GRU. This allows us to remove MMR's as a destination from the GRU driver. Signed-off-by: Dimitri Sivanich Signed-off-by: Mike Travis Tested-by: John Estabrook Tested-by:

[PATCH 00/21] X86_64, UV: Update kernel for SGI UV4 support

2016-04-27 Thread Mike Travis
This patch set primarily updates the Linux kernel to support the next generation SGI Ultraviolet system, UV4. This architecture change is a larger incremental change than previous UV updates because of a major change to the addressing scheme. Previous UV architectures used a fixed address width

[PATCH 10/21] X86_64, UV: Create per cpu info structs to replace per hub info structs

2016-04-27 Thread Mike Travis
The major portion of the hub info is common to all cpus on that hub. This is step one of moving the per cpu hub info to a per node hub info struct. This patch creates the small per cpu info struct that will contain only information specific to each CPU. Signed-off-by: Mike Travis Reviewed-by

[PATCH 13/21] X86_64, UV: Allocate common per node hub info structs on local node

2016-04-27 Thread Mike Travis
e hit rate when a group of cpus on a node are all interrupted for a common task. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Andrew Banman Tested-by: John Estabrook Tested-by: Gary Kroening --- arch/x86/include/asm/uv/uv_hub.h | 38 +-- arch/

[PATCH 12/21] X86_64, UV: Move blade local processor ID to the per cpu info struct

2016-04-27 Thread Mike Travis
definition. This allows calling source code to be built for both pre-UV4 kernels as well as post-UV4 kernels. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Tested-by: John Estabrook Tested-by: Gary Kroening --- arch/x86/include/asm/uv/uv_hub.h | 10 -- arch/x86/kernel/apic

[PATCH 21/21] X86_64, UV: Fix incorrect nodes and pnodes for cpuless and memoryless nodes

2016-04-27 Thread Mike Travis
From: Dimitri Sivanich This patch fixes the problem of incorrect nodes and pnodes being returned when referring to nodes that either have no cpus (AKA "headless") or no memory. Signed-off-by: Dimitri Sivanich Signed-off-by: Mike Travis Tested-by: John Estabrook Tested-by: Gar

[PATCH 18/21] X86_64, UV: Build GAM reference tables

2016-04-27 Thread Mike Travis
An aspect of the UV4 system architecture changes involve changing the way sockets, nodes, and pnodes are translated between one another. Decode the information from the BIOS provided EFI system table to build the needed conversion tables. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich

[PATCH 16/21] X86_64, UV: Add obtaining GAM Range Table from UV BIOS

2016-04-27 Thread Mike Travis
UV BIOS via the EFI UVsystab table. Support for older EFI UVsystab tables is maintained. Signed-off-by: Mike Travis Tested-by: Dimitri Sivanich Tested-by: John Estabrook Tested-by: Gary Kroening --- arch/x86/include/asm/uv/bios.h | 59 ++-- arch/

[PATCH 09/21] X86_64, UV: Update MMIOH setup function to work for both UV3 and UV4

2016-04-27 Thread Mike Travis
Since UV3 and UV4 MMIOH regions are setup the same, we can use a common function to setup both. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Tested-by: John Estabrook Tested-by: Gary Kroening --- arch/x86/kernel/apic/x2apic_uv_x.c |3 ++- 1 file changed, 2 insertions(+), 1

[PATCH 03/21] X86_64, UV: Add UV4 Specific Defines

2016-04-27 Thread Mike Travis
Add UV4 specific defines to determine if current system type is a UV4 system. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Tested-by: John Estabrook Tested-by: Gary Kroening --- arch/x86/kernel/apic/x2apic_uv_x.c | 12 +--- 1 file changed, 9 insertions(+), 3 deletions

[PATCH 08/21] X86_64, UV: Clean up redunduncies after merge of UV4 MMR definitions

2016-04-27 Thread Mike Travis
Clean up any redundancies caused by new UV4 MMR definitions superseding any previously definitions local to functions. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Andrew Banman Tested-by: John Estabrook Tested-by: Gary Kroening --- arch/x86/include/asm/uv/uv_hub.h

[PATCH 19/21] X86_64, UV: Update physical address conversions for UV4

2016-04-27 Thread Mike Travis
measure execution time. Signed-off-by: Mike Travis Tested-by: Dimitri Sivanich Tested-by: John Estabrook Tested-by: Gary Kroening --- arch/x86/include/asm/uv/uv_hub.h | 131 - arch/x86/kernel/apic/x2apic_uv_x.c | 96 ++- 2 files

[PATCH 17/21] X86_64, UV: Support UV4 socket address changes

2016-04-27 Thread Mike Travis
With the UV4 system architecture addressing changes, BIOS now provides this information via an EFI system table. This is the initial decoding of that system table. It also collects the sizing information for later allocation of dynamic conversion tables. Signed-off-by: Mike Travis Reviewed-by

[PATCH 11/21] X86_64, UV: Move scir info to the per cpu info struct

2016-04-27 Thread Mike Travis
Change the references to the SCIR fields to the new per cpu info structs. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Tested-by: John Estabrook Tested-by: Gary Kroening --- arch/x86/include/asm/uv/uv_hub.h | 17 ++--- arch/x86/kernel/apic/x2apic_uv_x.c | 18

[PATCH 05/21] X86_64, UV: Prep for UV4 MMR updates

2016-04-27 Thread Mike Travis
overlay addresses and NMI definitions to allow for flexibility in newer UV architecture types. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Tested-by: John Estabrook Tested-by: Gary Kroening --- arch/x86/include/asm/uv/uv_hub.h |5 arch/x86/kernel/apic/x2apic_uv_x.c | 208

Re: [PATCH 2/3] mm, x86: Remove region_is_ram() call from ioremap

2015-06-23 Thread Mike Travis
On 6/23/2015 2:01 AM, Ingo Molnar wrote: > > * Mike Travis wrote: > >> <<< >> We have a large university system in the UK that is experiencing >> very long delays modprobing the driver for a specific I/O device. >> The delay is from 8-10 minutes per

Re: [PATCH 2/3] mm, x86: Remove region_is_ram() call from ioremap

2015-06-22 Thread Mike Travis
On 6/22/2015 10:23 AM, Toshi Kani wrote: > On Mon, 2015-06-22 at 09:21 -0700, Mike Travis wrote: >> >> On 6/19/2015 2:44 PM, Toshi Kani wrote: >>> __ioremap_caller() calls region_is_ram() to look up the resource >>> to check if a target range is RAM, which was a

Re: [PATCH 2/3] mm, x86: Remove region_is_ram() call from ioremap

2015-06-22 Thread Mike Travis
On 6/19/2015 2:44 PM, Toshi Kani wrote: > __ioremap_caller() calls region_is_ram() to look up the resource > to check if a target range is RAM, which was added as an additinal > check to improve the lookup performance over page_is_ram() (commit > 906e36c5c717 "x86: use optimized ioresource lookup

Re: [PATCH 2/2] UV: NMI: simple dump failover if kdump fails

2015-05-01 Thread Mike Travis
On 5/1/2015 12:27 AM, Ingo Molnar wrote: > > * George Beshers wrote: > >> UV: NMI: simple dump failover if kdump fails >> >> The ability to trigger a kdump using the system NMI command >> was added by >> >> commit 12ba6c990fab50fe568f3a

[PATCH 2/3] X86, UV: Update UV APIC driver check

2015-04-09 Thread Mike Travis
pport. Signed-off-by: Mike Travis Acked-by: Hedi Berriche Acked-by: Dimitri Sivanich --- arch/x86/kernel/apic/x2apic_uv_x.c | 74 - 1 file changed, 49 insertions(+), 25 deletions(-) --- linux.orig/arch/x86/kernel/apic/x2apic_uv_x.c +++ linux/arch/x86/kernel

[PATCH 1/3] X86, UV: Update UV APIC OEM check

2015-04-09 Thread Mike Travis
Optimize the first "SGI" OEM check to return faster if the system is not an SGI or UV system. Signed-off-by: Mike Travis Acked-by: Hedi Berriche Acked-by: Dimitri Sivanich --- arch/x86/kernel/apic/x2apic_uv_x.c |3 +++ 1 file changed, 3 insertions(+) --- linux.orig/arch/x86/k

[PATCH 0/3] UV: Update UV APIC checks for new systems.

2015-04-09 Thread Mike Travis
In preparation for new UV systems, update various APIC checks to prevent incompatible hardware/BIOS/kernel conflicts. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org

[PATCH 3/3] X86, UV: Update UV APIC HUB check

2015-04-09 Thread Mike Travis
Update check for UV2000/3000. Note when HUB is not recognized. Signed-off-by: Mike Travis Acked-by: Hedi Berriche Acked-by: Dimitri Sivanich --- arch/x86/kernel/apic/x2apic_uv_x.c | 10 +++--- 1 file changed, 7 insertions(+), 3 deletions(-) --- linux.orig/arch/x86/kernel/apic

Re: [PATCH 1/1] X86, UV: Update UV APIC driver check

2015-03-24 Thread Mike Travis
On 3/23/2015 11:32 PM, Ingo Molnar wrote: > > * Mike Travis wrote: > >> Fix a bug in the oem check function that determines if the system >> is a UV system and the BIOS is compatible with the kernel's UV apic >> driver. This prevents some possibly obscure

[PATCH 1/1] X86, UV: Update UV APIC driver check

2015-03-23 Thread Mike Travis
pport. Also add update for new UV3000 system. The first "OEM" check was also optimized to return faster if the system is not an SGI or UV system. Signed-off-by: Mike Travis Acked-by: Hedi Berriche Acked-by: Dimitri Sivanich --- arch/x86/kernel/apic/x2api

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Mike Travis
On 8/29/2014 1:16 PM, Andrew Morton wrote: > On Fri, 29 Aug 2014 14:53:28 -0500 Mike Travis wrote: > >> >> We have a large university system in the UK that is experiencing >> very long delays modprobing the driver for a specific I/O device. >> The delay is fr

[PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Mike Travis
We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4 to 5 hour delay in starting up those I/O devices is very much a burden on the

[PATCH 2/2] x86: Use optimized ioresource lookup in ioremap function

2014-08-29 Thread Mike Travis
rted. Otherwise, the ioremap operation continues. Signed-off-by: Mike Travis Acked-by: Alex Thorlton Reviewed-by: Cliff Wickman Cc: --- v2: slight rearrangement of code v3: added Cc: stable --- arch/x86/mm/ioremap.c | 20 1 file changed, 16 insertions(+), 4 deletions(-) --- li

[PATCH 1/2] x86: Optimize resource lookups for ioremap

2014-08-29 Thread Mike Travis
result reflects if it was found or not (-1), and whether it is RAM (1) or not (0). This allows the caller to fallback to the previous page by page search if it was not found. Signed-off-by: Mike Travis Acked-by: Alex Thorlton Reviewed-by: Cliff Wickman Cc: --- v2: remove 'weak

[PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Mike Travis
We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4 to 5 hour delay in starting up those I/O devices is very much a burden on the

[PATCH 1/2] x86: Optimize resource lookups for ioremap

2014-08-29 Thread Mike Travis
result reflects if it was found or not (-1), and whether it is RAM (1) or not (0). This allows the caller to fallback to the previous page by page search if it was not found. Signed-off-by: Mike Travis Acked-by: Alex Thorlton Reviewed-by: Cliff Wickman --- v2: remove 'weak' and EXPORT_

[PATCH 2/2] x86: Use optimized ioresource lookup in ioremap function

2014-08-29 Thread Mike Travis
rted. Otherwise, the ioremap operation continues. Signed-off-by: Mike Travis Acked-by: Alex Thorlton Reviewed-by: Cliff Wickman --- v2: slight rearrangement of code --- arch/x86/mm/ioremap.c | 20 1 file changed, 16 insertions(+), 4 deletions(-) --- linux.orig/arch/x86/mm/iore

Re: [PATCH 1/2] x86: Optimize resource lookups for ioremap

2014-08-27 Thread Mike Travis
On 8/27/2014 4:37 PM, Andrew Morton wrote: > On Wed, 27 Aug 2014 16:25:24 -0700 Mike Travis wrote: > >>> >>> >>> >>> Doing strcmp("System RAM") is rather a hack. Is there nothing in >>> resource.flags which can be used? Or adde

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Mike Travis
On 8/27/2014 4:20 PM, Andrew Morton wrote: > On Wed, 27 Aug 2014 16:15:28 -0700 Mike Travis wrote: > >> >>> >>>> There are two causes for requiring a restart/reload of the drivers. >>>> First is periodic preventive maintenance (PM) and the seco

Re: [PATCH 1/2] x86: Optimize resource lookups for ioremap

2014-08-27 Thread Mike Travis
On 8/27/2014 4:18 PM, Andrew Morton wrote: > On Wed, 27 Aug 2014 16:09:09 -0700 Mike Travis wrote: > >> >>>> >>>> ... >>>> >>>> --- linux.orig/kernel/resource.c >>>> +++ linux/kernel/resource.c >>>> @@ -494,6

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Mike Travis
On 8/27/2014 4:06 PM, Andrew Morton wrote: > On Wed, 27 Aug 2014 17:59:27 -0500 Mike Travis wrote: > >> >> We have a large university system in the UK that is experiencing >> very long delays modprobing the driver for a specific I/O device. >> The delay is fr

[PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Mike Travis
We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4 to 5 hour delay in starting up those I/O devices is very much a burden on the

Re: [PATCH 1/2] x86: Optimize resource lookups for ioremap

2014-08-27 Thread Mike Travis
On 8/27/2014 4:05 PM, Andrew Morton wrote: > On Wed, 27 Aug 2014 17:59:28 -0500 Mike Travis wrote: > >> Since the ioremap operation is verifying that the specified address range >> is NOT RAM, it will search the entire ioresource list if the condition >> is true. T

[PATCH 1/2] x86: Optimize resource lookups for ioremap

2014-08-27 Thread Mike Travis
result reflects if it was found or not (-1), and whether it is RAM (1) or not (0). This allows the caller to fallback to the previous page by page search if it was not found. Signed-off-by: Mike Travis Acked-by: Alex Thorlton Reviewed-by: Cliff Wickman --- include/linux/mm.h |1 + kernel

[PATCH 2/2] x86: Use optimized ioresource lookup in ioremap function

2014-08-27 Thread Mike Travis
rted. Otherwise, the ioremap operation continues. Signed-off-by: Mike Travis Acked-by: Alex Thorlton Reviewed-by: Cliff Wickman --- arch/x86/mm/ioremap.c | 22 +- 1 file changed, 17 insertions(+), 5 deletions(-) --- linux.orig/arch/x86/mm/ioremap.c +++ linux/arch/x86/mm/iore

Re: [PATCH 31/48] uv: Replace __get_cpu_var

2014-03-05 Thread Mike Travis
On 3/5/2014 1:57 PM, Christoph Lameter wrote: > The driver seems to use local64_t to define a single static instance of a > counter and then seems to think that it is safe to increment the counter > from multiple processors using local64_inc and friends. Common > misunderstanding and a reason why

[tip:core/urgent] kgdb/kdb: Fix no KDB config problem

2014-01-25 Thread tip-bot for Mike Travis
Commit-ID: fc8b13740b2978b34872650cc8e928392e3758aa Gitweb: http://git.kernel.org/tip/fc8b13740b2978b34872650cc8e928392e3758aa Author: Mike Travis AuthorDate: Tue, 14 Jan 2014 10:25:52 -0600 Committer: Ingo Molnar CommitDate: Sat, 25 Jan 2014 08:55:09 +0100 kgdb/kdb: Fix no KDB config

[tip:core/urgent] x86/uv/nmi: Fix Sparse warnings

2014-01-25 Thread tip-bot for Mike Travis
Commit-ID: 74c93f9d39b556ff9ac2340d568ad5caf8446c65 Gitweb: http://git.kernel.org/tip/74c93f9d39b556ff9ac2340d568ad5caf8446c65 Author: Mike Travis AuthorDate: Tue, 14 Jan 2014 10:25:53 -0600 Committer: Ingo Molnar CommitDate: Sat, 25 Jan 2014 08:55:10 +0100 x86/uv/nmi: Fix Sparse

[tip:core/urgent] x86/uv/nmi, kgdb/kdb: Fix UV NMI handler when KDB not configured

2014-01-25 Thread tip-bot for Mike Travis
Commit-ID: 64389998151214c71ba59ac893180744fd880052 Gitweb: http://git.kernel.org/tip/64389998151214c71ba59ac893180744fd880052 Author: Mike Travis AuthorDate: Tue, 14 Jan 2014 10:25:54 -0600 Committer: Ingo Molnar CommitDate: Sat, 25 Jan 2014 08:55:11 +0100 x86/uv/nmi, kgdb/kdb: Fix

[PATCH 0/3] KGDB/KDB/UV: Fixups for UV to KGDB interface

2014-01-14 Thread Mike Travis
v2: Update patch 2/3 to include which problems fixed. Other minor changes detailed in the patches. * 1/3: Change the fix for 'KDB not defined' build problem by changing the kgdb_nmicallin() interface to include the KDB specific reason code. This removes the dependency on KDB in the debug c

[PATCH 3/3] UV/NMI/KGDB/KDB: Fix UV NMI handler when KDB not configured v2

2014-01-14 Thread Mike Travis
7;s set to 'kdb' then an error message is displayed if KDB is not configured. Also note that if both KGDB and KDB are enabled, then the action of 'kgdb' or 'kdb' has no affect on which is used. See the KGDB documentation for further information. Signed-off-by: Mi

[PATCH 2/3] UV/NMI: Fix tip/bot/kbuild test robot problems v2

2014-01-14 Thread Mike Travis
Make uv_register_nmi_notifier() and uv_handle_nmi_ping() static to address sparse warnings. Fix problem where uv_nmi_kexec_failed is unused when CONFIG_KEXEC is not defined. Signed-off-by: Mike Travis Reviewed-by: Hedi Berriche --- v2: update the description to include problems fixed

[PATCH 1/3] KGDB/KDB: Fix no KDB config problem v2.

2014-01-14 Thread Mike Travis
Some code added to the debug_core module had KDB dependencies that it shouldn't have. Move the KDB dependent REASON back to the caller to remove the dependency in the debug core code. Update the call from the UV NMI handler to conform to the new interface. Signed-off-by: Mike Travis Rev

Re: [PATCH 2/3] PATCH: UV/NMI Fix tip/bot/kbuild test robot problems

2014-01-14 Thread Mike Travis
On 1/14/2014 3:00 AM, Peter Zijlstra wrote: > On Mon, Jan 13, 2014 at 10:24:09PM -0600, Mike Travis wrote: >> Fix some problems found by the kbuild test robot. >> >> Signed-off-by: Mike Travis >> Reviewed-by: Hedi Berriche > > In general it is best to actu

[PATCH 0/3] : KGDB/KDB/UV updates.

2014-01-13 Thread Mike Travis
* Change the fix for 'KDB not defined' build problem by changing the kgdb_nmicallin() interface to include the KDB specific reason code. This removes the dependency on KDB in the debug core. It also requires a change to the kgdb call in from UV NMI handler to avoid a compile error. * Fi

[PATCH 2/3] PATCH: UV/NMI Fix tip/bot/kbuild test robot problems

2014-01-13 Thread Mike Travis
Fix some problems found by the kbuild test robot. Signed-off-by: Mike Travis Reviewed-by: Hedi Berriche --- arch/x86/include/asm/uv/uv.h |2 -- arch/x86/kernel/apic/x2apic_uv_x.c |1 - arch/x86/platform/uv/uv_nmi.c |9 - 3 files changed, 4 insertions(+), 8

[PATCH 3/3] PATCH: UV/NMI/KGDB/KDB Fix UV NMI handler when KDB not configed.

2014-01-13 Thread Mike Travis
7;s set to 'kdb' then an error message is displayed if KDB is not configured. Note that if both KGDB and KDB are enabled, then the action of 'kgdb' or 'kdb' has no affect on which is used. See the KGDB documention for further information. Signed-off-by: Mike Trav

[PATCH 1/3] PATCH: KGDB/KDB Fix no KDB config problem.

2014-01-13 Thread Mike Travis
Some code added to the debug_core module had KDB dependencies that it shouldn't have. Move the KDB dependent REASON back to the caller to remove the dependency in the debug core code. Signed-off-by: Mike Travis Reviewed-by: Hedi Berriche --- arch/x86/platform/uv/uv_nmi.c |2 +- in

Re: [PATCH 0/3] : KGDB/KDB/UV updates.

2014-01-13 Thread Mike Travis
On 10/19/2013 1:56 AM, Ingo Molnar wrote: > > * Mike Travis wrote: > >> >> * Change the fix for KDB not defined build problem by changing >> the kgdb_nmicallin() interface to include the KDB specific >> reason code. This removes a dependency on KDB in th

Re: [tip:x86/uv] x86/UV: Add uvtrace support

2013-11-11 Thread Mike Travis
On 11/11/2013 10:53 AM, Ingo Molnar wrote: > > * tip-bot for Mike Travis wrote: > >> Commit-ID: 8eba18428ac926f436064ac281e76d36d51bd631 >> Gitweb: >> http://git.kernel.org/tip/8eba18428ac926f436064ac281e76d36d51bd631 >> Author: Mike Travis >>

[PATCH 1/3] PATCH: KGDB/KDB Fix no KDB config problem.

2013-10-18 Thread Mike Travis
Some code added to the debug_core module had KDB dependencies that it shouldn't have. Move the KDB dependent REASON back to the caller to remove the dependence in KGDB code. Signed-off-by: Mike Travis Reviewed-by: Hedi Berriche --- arch/x86/platform/uv/uv_nmi.c |2 +- include/linux/k

[PATCH 3/3] PATCH: UV/NMI/KGDB/KDB Fix UV NMI handler when KDB not configed.

2013-10-18 Thread Mike Travis
7;s set to 'kdb' then an error message is displayed if KDB is not configured. Note that if both KGDB and KDB are enabled, then the action of 'kgdb' or 'kdb' has no affect on which is used. See the KGDB documention for further information. Signed-off-by: Mike Trav

[PATCH 0/3] : KGDB/KDB/UV updates.

2013-10-18 Thread Mike Travis
* Change the fix for KDB not defined build problem by changing the kgdb_nmicallin() interface to include the KDB specific reason code. This removes a dependency on KDB in the debug core. Also requires a change the call in from UV NMI handler. * Fix some problems found by the kbuild test r

[PATCH 2/3] PATCH: UV/NMI Fix tip/bot/kbuild test robot problems

2013-10-18 Thread Mike Travis
Fix some problems found by the kbuild test robot. Signed-off-by: Mike Travis Reviewed-by: Hedi Berriche --- arch/x86/include/asm/uv/uv.h |2 -- arch/x86/kernel/apic/x2apic_uv_x.c |1 - arch/x86/platform/uv/uv_nmi.c |9 - 3 files changed, 4 insertions(+), 8

[tip:x86/uv] kdb: Add support for external NMI handler to call KGDB/KDB

2013-10-04 Thread tip-bot for Mike Travis
Commit-ID: 8daaa5f8261bffd2f6217a960f9182d0503a5c44 Gitweb: http://git.kernel.org/tip/8daaa5f8261bffd2f6217a960f9182d0503a5c44 Author: Mike Travis AuthorDate: Wed, 2 Oct 2013 10:14:18 -0500 Committer: Ingo Molnar CommitDate: Thu, 3 Oct 2013 18:47:54 +0200 kdb: Add support for external

[tip:x86/uv] x86/UV: Add call to KGDB/KDB from NMI handler

2013-10-04 Thread tip-bot for Mike Travis
Commit-ID: e379ea82dd53a5cc8e3ac0b7899a8012006c712c Gitweb: http://git.kernel.org/tip/e379ea82dd53a5cc8e3ac0b7899a8012006c712c Author: Mike Travis AuthorDate: Wed, 2 Oct 2013 10:14:19 -0500 Committer: Ingo Molnar CommitDate: Thu, 3 Oct 2013 18:48:09 +0200 x86/UV: Add call to KGDB/KDB

Re: [PATCH 1/1] PATCH: KGDB/KDB Fix no KDB config problem.

2013-10-03 Thread Mike Travis
On 10/3/2013 10:53 AM, Mike Travis wrote: > > > On 10/3/2013 10:15 AM, Ingo Molnar wrote: >> >> * Mike Travis wrote: >> >>> >>> >>> On 10/3/2013 9:51 AM, Ingo Molnar wrote: >>>> >>>> * Mike Travis wrote: >>

Re: [PATCH 1/1] PATCH: KGDB/KDB Fix no KDB config problem.

2013-10-03 Thread Mike Travis
On 10/3/2013 10:15 AM, Ingo Molnar wrote: > > * Mike Travis wrote: > >> >> >> On 10/3/2013 9:51 AM, Ingo Molnar wrote: >>> >>> * Mike Travis wrote: >>> >>>> Some code added to the debug_core module had KDB dependencies

Re: [PATCH 1/1] PATCH: KGDB/KDB Fix no KDB config problem.

2013-10-03 Thread Mike Travis
On 10/3/2013 9:51 AM, Ingo Molnar wrote: > > * Mike Travis wrote: > >> Some code added to the debug_core module had KDB dependencies >> that it shouldn't have. >> >> Signed-off-by: Mike Travis >> --- >> kernel/debug/debug_core.c |8

[PATCH 0/1] PATCH: KGDB/KDB Fix no KDB config problem.

2013-10-03 Thread Mike Travis
* Fix build problem when KDB is not defined. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

[PATCH 1/1] PATCH: KGDB/KDB Fix no KDB config problem.

2013-10-03 Thread Mike Travis
Some code added to the debug_core module had KDB dependencies that it shouldn't have. Signed-off-by: Mike Travis --- kernel/debug/debug_core.c |8 kernel/debug/debug_core.h |2 ++ 2 files changed, 6 insertions(+), 4 deletions(-) --- linux.orig/kernel/debug/debug_c

[PATCH 0/2] Add back capability of calling KGDB/KDB via UV NMI call.

2013-10-02 Thread Mike Travis
The following two patches add the capability of calling KGDB/KDB after receiving the NMI signal from the UV system 'power nmi' command. This is mainly required because the system console on UV cannot send the break signal so when the system I/O is not working, the power nmi command from the CMC i

[PATCH 1/2] KGDB/KDB: add support for external NMI handler to call KGDB/KDB.

2013-10-02 Thread Mike Travis
he slaves start entering. The new argument "send_ready" was added for KGDB to signal the NMI handler to release the slave CPUs for entry into KGDB. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche Acked-by: Jason Wessel --- v3: make entry into SYSTEM_

[PATCH 2/2] x86/UV: Add call to KGDB/KDB from NMI handler

2013-10-02 Thread Mike Travis
quot; and the kernel is built with CONFIG_KDB enabled. Note that if kgdb is connected that interface will be used instead. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/platform/uv/uv_nmi.c | 47 +-

Re: [PATCH 0/7] x86/UV/KDB/NMI: Updates for NMI/KDB handler for SGI UV

2013-09-24 Thread Mike Travis
On 9/24/2013 12:52 AM, Ingo Molnar wrote: > > Hm, do you test-build your patches? Both build and test incessantly... This series produces the following > annoying warning: > > arch/x86/platform/uv/uv_nmi.c: In function ‘uv_nmi_setup’: > arch/x86/platform/uv/uv_nmi.c:664:2: warning: the add

[tip:x86/uv] x86/UV: Update UV support for external NMI signals

2013-09-24 Thread tip-bot for Mike Travis
Commit-ID: 0d12ef0c900078cc1f4e78dff2245521aa5d0c89 Gitweb: http://git.kernel.org/tip/0d12ef0c900078cc1f4e78dff2245521aa5d0c89 Author: Mike Travis AuthorDate: Mon, 23 Sep 2013 16:25:01 -0500 Committer: Ingo Molnar CommitDate: Tue, 24 Sep 2013 09:02:02 +0200 x86/UV: Update UV support

[tip:x86/uv] x86/UV: Add summary of cpu activity to UV NMI handler

2013-09-24 Thread tip-bot for Mike Travis
Commit-ID: 3c121d9a21dc16ef030ad6ca3ebb159b5726fab9 Gitweb: http://git.kernel.org/tip/3c121d9a21dc16ef030ad6ca3ebb159b5726fab9 Author: Mike Travis AuthorDate: Mon, 23 Sep 2013 16:25:02 -0500 Committer: Ingo Molnar CommitDate: Tue, 24 Sep 2013 09:02:03 +0200 x86/UV: Add summary of cpu

[tip:x86/uv] x86/UV: Add kdump to UV NMI handler

2013-09-24 Thread tip-bot for Mike Travis
Commit-ID: 12ba6c990fab50fe568f3ad8715e81e356552428 Gitweb: http://git.kernel.org/tip/12ba6c990fab50fe568f3ad8715e81e356552428 Author: Mike Travis AuthorDate: Mon, 23 Sep 2013 16:25:03 -0500 Committer: Ingo Molnar CommitDate: Tue, 24 Sep 2013 09:02:03 +0200 x86/UV: Add kdump to UV NMI

[tip:x86/uv] x86/UV: Add uvtrace support

2013-09-24 Thread tip-bot for Mike Travis
Commit-ID: 8eba18428ac926f436064ac281e76d36d51bd631 Gitweb: http://git.kernel.org/tip/8eba18428ac926f436064ac281e76d36d51bd631 Author: Mike Travis AuthorDate: Mon, 23 Sep 2013 16:25:06 -0500 Committer: Ingo Molnar CommitDate: Tue, 24 Sep 2013 09:02:04 +0200 x86/UV: Add uvtrace support

[tip:x86/uv] x86/UV: Move NMI support

2013-09-24 Thread tip-bot for Mike Travis
Commit-ID: 1e019421bca68cfae1a61a09d9d49cf6a9e2143b Gitweb: http://git.kernel.org/tip/1e019421bca68cfae1a61a09d9d49cf6a9e2143b Author: Mike Travis AuthorDate: Mon, 23 Sep 2013 16:25:00 -0500 Committer: Ingo Molnar CommitDate: Tue, 24 Sep 2013 09:02:02 +0200 x86/UV: Move NMI support

[PATCH 4/7] x86/UV: Add kdump to UV NMI handler

2013-09-23 Thread Mike Travis
EC enabled. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/platform/uv/uv_nmi.c | 41 + 1 file changed, 41 insertions(+) --- linux.orig/arch/x86/platform/uv/uv_nmi.c +++ linux/arch/x86/platform/uv/uv_nmi.c @@ -

[PATCH 5/7] KGDB/KDB: add support for external NMI handler to call KGDB/KDB.

2013-09-23 Thread Mike Travis
he slaves start entering. The new argument "send_ready" was added for KGDB to signal the NMI handler to release the slave CPUs for entry into KGDB. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- include/linux/kdb.h |

[PATCH 6/7] x86/UV: Add call to KGDB/KDB from NMI handler

2013-09-23 Thread Mike Travis
quot; and the kernel is built with CONFIG_KDB enabled. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/platform/uv/uv_nmi.c | 47 +- 1 file changed, 46 insertions(+), 1 deletion(-) --- linux.orig/arc

[PATCH 3/7] x86/UV: Add summary of cpu activity to UV NMI handler

2013-09-23 Thread Mike Travis
dress as well as the command field and basic process information. It is enabled when the nmi action is changed to "ips". Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/platform/uv/uv_nmi.c | 48

[PATCH 2/7] x86/UV: Update UV support for external NMI signals

2013-09-23 Thread Mike Travis
fic over NumaLink.) Both types of UV NMIs from the SMI layer are supported. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/include/asm/uv/uv_hub.h | 57 +++ arch/x86/include/asm/uv/uv_mmrs.h | 31 ++ arch/x86/kernel/apic/x2apic_uv

[PATCH 1/7] x86/UV: Move NMI support

2013-09-23 Thread Mike Travis
instead of 'x2apic_uv_x', which was obscure. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/include/asm/uv/uv.h |2 arch/x86/kernel/apic/x2apic_uv_x.c | 69 - arch/x86/platform/uv/Makefile |2

[PATCH 0/7] x86/UV/KDB/NMI: Updates for NMI/KDB handler for SGI UV

2013-09-23 Thread Mike Travis
V3: Reduce number of changes to KGDB/KDB code to simplify special handling of SYSTEM NMI. Remove disable UV NMI function. V2: Split KDB updates from NMI updates. Broke up the big patch to uv_nmi.c into smaller patches. Updated to the latest linux kernel version. The current U

[PATCH 7/7] x86/UV: Add uvtrace support

2013-09-23 Thread Mike Travis
This patch adds support for the uvtrace module by providing a skeleton call to the registered trace function. It also provides another separate 'NMI' tracer that is triggered by the system wide 'power nmi' command. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanic

Re: [PATCH 9/9] x86/UV: Add ability to disable UV NMI handler

2013-09-12 Thread Mike Travis
On 9/12/2013 10:27 AM, Paul E. McKenney wrote: > On Tue, Sep 10, 2013 at 11:03:49AM +0200, Peter Zijlstra wrote: >> On Mon, Sep 09, 2013 at 10:07:03AM -0700, Mike Travis wrote: >>> On 9/9/2013 5:43 AM, Peter Zijlstra wrote: >>>> On Thu, Sep 05, 2013 at 05:50

Re: [PATCH 9/9] x86/UV: Add ability to disable UV NMI handler

2013-09-12 Thread Mike Travis
On 9/12/2013 11:35 AM, Paul E. McKenney wrote: > On Thu, Sep 12, 2013 at 10:27:31AM -0700, Paul E. McKenney wrote: >> On Tue, Sep 10, 2013 at 11:03:49AM +0200, Peter Zijlstra wrote: >>> On Mon, Sep 09, 2013 at 10:07:03AM -0700, Mike Travis wrote: >>>> On 9/9/2013

Re: [PATCH 9/9] x86/UV: Add ability to disable UV NMI handler

2013-09-09 Thread Mike Travis
On 9/9/2013 5:43 AM, Peter Zijlstra wrote: > On Thu, Sep 05, 2013 at 05:50:41PM -0500, Mike Travis wrote: >> For performance reasons, the NMI handler may be disabled to lessen the >> performance impact caused by the multiple perf tools running concurently. >> If the system

Re: [PATCH 7/9] KGDB/KDB: add new system NMI entry code to KDB

2013-09-06 Thread Mike Travis
On 9/5/2013 10:00 PM, Jason Wessel wrote: > On 09/05/2013 05:50 PM, Mike Travis wrote: >> This patch adds a new "KDB_REASON" code (KDB_REASON_SYSTEM_NMI). This >> is purely cosmetic to distinguish it from the other various reasons that >> NMI may occur and are

[PATCH 0/9] x86/UV/KDB/NMI: Updates for NMI/KDB handler for SGI UV

2013-09-05 Thread Mike Travis
V2: Split KDB updates from NMI updates. Broke up the big patch to uv_nmi.c into smaller patches. Updated to the latest linux kernel version. The current UV NMI handler has not been updated for the changes in the system NMI handler and the perf operations. The UV NMI handler reads an

[PATCH 1/9] x86/UV: Move NMI support

2013-09-05 Thread Mike Travis
instead of 'x2apic_uv_x', which was obscure. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/include/asm/uv/uv.h |2 arch/x86/kernel/apic/x2apic_uv_x.c | 69 - arch/x86/platform/uv/Makefile |2

[PATCH 2/9] x86/UV: Update UV support for external NMI signals

2013-09-05 Thread Mike Travis
fic over NumaLink.) Both types of UV NMIs from the SMI layer are supported. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/include/asm/uv/uv_hub.h | 57 +++ arch/x86/include/asm/uv/uv_mmrs.h | 31 ++ arch/x86/kernel/apic/x2apic_uv

[PATCH 6/9] x86/UV: Add call to KGDB/KDB from NMI handler

2013-09-05 Thread Mike Travis
quot; and the kernel is built with CONFIG_KDB enabled. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/platform/uv/uv_nmi.c | 47 +- 1 file changed, 46 insertions(+), 1 deletion(-) --- linux.orig/arc

[PATCH 9/9] x86/UV: Add ability to disable UV NMI handler

2013-09-05 Thread Mike Travis
handler is disabled by setting the nmi disabled variable to '1'. Setting it back to '0' will re-enable the NMI handler. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/platform/uv/uv_nmi.c | 69

[PATCH 4/9] x86/UV: Add kdump to UV NMI handler

2013-09-05 Thread Mike Travis
EC enabled. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/platform/uv/uv_nmi.c | 41 + 1 file changed, 41 insertions(+) --- linux.orig/arch/x86/platform/uv/uv_nmi.c +++ linux/arch/x86/platform/uv/uv_nmi.c @@ -

[PATCH 7/9] KGDB/KDB: add new system NMI entry code to KDB

2013-09-05 Thread Mike Travis
hen KDB is entered manually via the sysreq 'g' key. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- include/linux/kdb.h |1 + include/linux/kgdb.h|1 + kernel/debug/debug_core.c |5 + kernel/debug/kdb/k

[PATCH 5/9] KGDB/KDB: add support for external NMI handler to call KGDB/KDB.

2013-09-05 Thread Mike Travis
he slaves start entering. The new argument "send_ready" was added for KGDB to signal the NMI handler to release the slave CPUs for entry into KGDB. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- include/linux/kgdb.h |1 + kernel/

[PATCH 8/9] x86/UV: Add uvtrace support

2013-09-05 Thread Mike Travis
This patch adds support for the uvtrace module by providing a skeleton call to the registered trace function. It also provides another separate 'NMI' tracer that is triggered by the system wide 'power nmi' command. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanic

[PATCH 3/9] x86/UV: Add summary of cpu activity to UV NMI handler

2013-09-05 Thread Mike Travis
dress as well as the command field and basic process information. It is enabled when the nmi action is changed to "ips". Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Hedi Berriche --- arch/x86/platform/uv/uv_nmi.c | 48

Re: [RFC v3 0/5] Transparent on-demand struct page initialization embedded in the buddy allocator

2013-08-13 Thread Mike Travis
On 8/13/2013 1:24 PM, Yinghai Lu wrote: >> > FYI, the system at this time had 128 nodes each with 256GB of memory. >> > About 252GB was inserted into the absent list from nodes 1 .. 126. >> > Memory on nodes 0 and 128 was left fully present. Actually, I was corrected, it was 256 nodes with 128GB

Re: [RFC v3 0/5] Transparent on-demand struct page initialization embedded in the buddy allocator

2013-08-13 Thread Mike Travis
On 8/13/2013 11:04 AM, Mike Travis wrote: > > > On 8/13/2013 10:51 AM, Linus Torvalds wrote: >> by the time you can log in. And if it then takes another ten minutes >> until you have the full 16TB initialized, and some things might be a >> tad slower early on, doe

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