[PATCH v4 3/7] powerpc: use task_pid_nr() for TID allocation

From: Alastair D'Silva The current implementation of TID allocation, using a global IDR, may result in an errant process starving the system of available TIDs. Instead, use task_pid_nr(), as mentioned by the original author. The scenario described which prevented it's use is not applicable, as se

[PATCH v4 6/7] ocxl: Add an IOCTL so userspace knows what OCXL features are available

From: Alastair D'Silva In order for a userspace AFU driver to call the POWER9 specific OCXL_IOCTL_ENABLE_P9_WAIT, it needs to verify that it can actually make that call. Signed-off-by: Alastair D'Silva --- drivers/misc/ocxl/file.c | 25 + include/uapi/misc/ocxl.h | 4 +

[PATCH v4 7/7] ocxl: Document new OCXL IOCTLs

From: Alastair D'Silva Signed-off-by: Alastair D'Silva --- Documentation/accelerators/ocxl.rst | 11 +++ 1 file changed, 11 insertions(+) diff --git a/Documentation/accelerators/ocxl.rst b/Documentation/accelerators/ocxl.rst index ddcc58d01cfb..14cefc020e2d 100644 --- a/Documentation/

[PATCH v4 4/7] ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action

From: Alastair D'Silva The function removes the process element from NPU cache. Signed-off-by: Alastair D'Silva --- arch/powerpc/include/asm/pnv-ocxl.h | 2 +- arch/powerpc/platforms/powernv/ocxl.c | 4 ++-- drivers/misc/ocxl/link.c | 2 +- 3 files changed, 4 insertions(+), 4 de

[PATCH v4 5/7] ocxl: Expose the thread_id needed for wait on POWER9

From: Alastair D'Silva In order to successfully issue as_notify, an AFU needs to know the TID to notify, which in turn means that this information should be available in userspace so it can be communicated to the AFU. Signed-off-by: Alastair D'Silva --- drivers/misc/ocxl/context.c | 5 +

[PATCH v4 2/7] powerpc: Use TIDR CPU feature to control TIDR allocation

From: Alastair D'Silva Switch the use of TIDR on it's CPU feature, rather than assuming it is available based on architecture. Signed-off-by: Alastair D'Silva --- arch/powerpc/kernel/process.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/kernel/process

[PATCH v4 0/7] ocxl: Implement Power9 as_notify/wait for OpenCAPI

From: Alastair D'Silva The Power 9 as_notify/wait feature provides a lower latency way to signal a thread that work is complete. This series enables the use of this feature from OpenCAPI adapters, as well as addressing a potential starvation issue when allocating thread IDs. Changelog: v4: Rem

[PATCH v4 1/7] powerpc: Add TIDR CPU feature for POWER9

From: Alastair D'Silva This patch adds a CPU feature bit to show whether the CPU has the TIDR register available, enabling as_notify/wait in userspace. Signed-off-by: Alastair D'Silva --- arch/powerpc/include/asm/cputable.h | 3 ++- arch/powerpc/kernel/dt_cpu_ftrs.c | 1 + 2 files changed, 3

[PATCH v3 3/7] powerpc: use task_pid_nr() for TID allocation

From: Alastair D'Silva The current implementation of TID allocation, using a global IDR, may result in an errant process starving the system of available TIDs. Instead, use task_pid_nr(), as mentioned by the original author. The scenario described which prevented it's use is not applicable, as se

[PATCH v3 2/7] powerpc: Use TIDR CPU feature to control TIDR allocation

From: Alastair D'Silva Switch the use of TIDR on it's CPU feature, rather than assuming it is available based on architecture. Signed-off-by: Alastair D'Silva --- arch/powerpc/kernel/process.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/kernel/process

[PATCH v3 1/7] powerpc: Add TIDR CPU feature for POWER9

From: Alastair D'Silva This patch adds a CPU feature bit to show whether the CPU has the TIDR register available, enabling as_notify/wait in userspace. Signed-off-by: Alastair D'Silva --- arch/powerpc/include/asm/cputable.h | 3 ++- arch/powerpc/kernel/dt_cpu_ftrs.c | 1 + 2 files changed, 3

[PATCH v3 7/7] ocxl: Document new OCXL IOCTLs

From: Alastair D'Silva Signed-off-by: Alastair D'Silva --- Documentation/accelerators/ocxl.rst | 11 +++ 1 file changed, 11 insertions(+) diff --git a/Documentation/accelerators/ocxl.rst b/Documentation/accelerators/ocxl.rst index ddcc58d01cfb..14cefc020e2d 100644 --- a/Documentation/

[PATCH v3 0/7] ocxl: Implement Power9 as_notify/wait for OpenCAPI

From: Alastair D'Silva The Power 9 as_notify/wait feature provides a lower latency way to signal a thread that work is complete. This series enables the use of this feature from OpenCAPI adapters, as well as addressing a potential starvation issue when allocating thread IDs. Changelog: v3: Fix

[PATCH v3 4/7] ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action

From: Alastair D'Silva The function removes the process element from NPU cache. Signed-off-by: Alastair D'Silva --- arch/powerpc/include/asm/pnv-ocxl.h | 2 +- arch/powerpc/platforms/powernv/ocxl.c | 4 ++-- drivers/misc/ocxl/link.c | 2 +- 3 files changed, 4 insertions(+), 4 de

[PATCH v3 6/7] ocxl: Add an IOCTL so userspace knows what OCXL features are available

From: Alastair D'Silva In order for a userspace AFU driver to call the POWER9 specific OCXL_IOCTL_ENABLE_P9_WAIT, it needs to verify that it can actually make that call. Signed-off-by: Alastair D'Silva --- drivers/misc/ocxl/file.c | 25 + include/uapi/misc/ocxl.h | 4 +

[PATCH v3 5/7] ocxl: Expose the thread_id needed for wait on POWER9

From: Alastair D'Silva In order to successfully issue as_notify, an AFU needs to know the TID to notify, which in turn means that this information should be available in userspace so it can be communicated to the AFU. Signed-off-by: Alastair D'Silva --- drivers/misc/ocxl/context.c | 5 +

Re: [PATCH] Documentation: refcount-vs-atomic: Update reference to LKMM doc.

On Fri, 4 May 2018 23:11:49 +0200 Andrea Parri wrote: > The LKMM project has moved to 'tools/memory-model/'. > > Signed-off-by: Andrea Parri Applied, thanks. jon -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majord...@vger.kernel.org More

Re: [PATCH 05/18] docs: core-api: add cachetlb documentation

On Tue, May 08, 2018 at 03:28:51PM -0300, Mauro Carvalho Chehab wrote: > Em Tue, 8 May 2018 15:05:07 -0300 > Mauro Carvalho Chehab escreveu: > > > Em Tue, 08 May 2018 17:40:56 +0300 > > Jani Nikula escreveu: [...] > > > Side note, there's scripts/documentation-file-ref-check to grep the > > >

Re: [PATCH] Documentation/admin-guide/pm/intel_pstate: fix Active Mode w/o HWP paragraph

On Tue, 2018-05-08 at 17:12 +0200, Juri Lelli wrote: > P-state selection algorithm (powersave or performance) is selected by > echoing the desired choice to scaling_governor sysfs attribute and > not > to scaling_cur_freq (as currently stated). > > Fix it. Thanks for the fix. > > Signed-off-by:

Re: [PATCH 05/18] docs: core-api: add cachetlb documentation

Em Tue, 08 May 2018 17:40:56 +0300 Jani Nikula escreveu: > On Mon, 07 May 2018, Andrea Parri wrote: > > On Mon, May 07, 2018 at 06:35:41AM -0300, Mauro Carvalho Chehab wrote: > >> The cachetlb.txt is already in ReST format. So, move it to the > >> core-api guide, where it belongs. > >> > >> S

Re: [PATCH 05/18] docs: core-api: add cachetlb documentation

Em Tue, 8 May 2018 15:05:07 -0300 Mauro Carvalho Chehab escreveu: > Em Tue, 08 May 2018 17:40:56 +0300 > Jani Nikula escreveu: > > > On Mon, 07 May 2018, Andrea Parri > > wrote: > > > On Mon, May 07, 2018 at 06:35:41AM -0300, Mauro Carvalho Chehab wrote: > > >> The cachetlb.txt is alrea

Re: [keyutils PATCH v2] man: keyctl_read(3): fix documentation for short buffer case

On Tue, Feb 20, 2018 at 11:42:34AM -0800, Eric Biggers wrote: > On Thu, Nov 02, 2017 at 11:06:05AM -0700, Eric Biggers wrote: > > From: Eric Biggers > > > > When keyctl_read() is passed a buffer that is too small, the behavior is > > inconsistent. Some key types will fill as much of the buffer a

Re: [PATCH 00/18] Fix some build warnings/errors with Sphinx

On Tue, May 08, 2018 at 10:13:42AM -0600, Jonathan Corbet wrote: > On Mon, 7 May 2018 06:35:36 -0300 > Mauro Carvalho Chehab wrote: > > > I decided to give a try with Sphinx last stable version > > (1.17.4), and noticed several issues. The worse one was > > with the networking book: a non-standa

Re: [PATCH 05/18] docs: core-api: add cachetlb documentation

On Tue, May 08, 2018 at 10:04:08AM -0600, Jonathan Corbet wrote: > On Mon, 7 May 2018 06:35:41 -0300 > Mauro Carvalho Chehab wrote: > > > The cachetlb.txt is already in ReST format. So, move it to the > > core-api guide, where it belongs. > > > > Signed-off-by: Mauro Carvalho Chehab > > I thi

Re: [PATCH 05/18] docs: core-api: add cachetlb documentation

On Tue, May 08, 2018 at 06:02:42PM +0200, Andrea Parri wrote: > Hi Jani, > > On Tue, May 08, 2018 at 05:40:56PM +0300, Jani Nikula wrote: > > On Mon, 07 May 2018, Andrea Parri wrote: > > > On Mon, May 07, 2018 at 06:35:41AM -0300, Mauro Carvalho Chehab wrote: > > >> The cachetlb.txt is already in

Re: [PATCH 00/18] Fix some build warnings/errors with Sphinx

On Mon, 7 May 2018 06:35:36 -0300 Mauro Carvalho Chehab wrote: > I decided to give a try with Sphinx last stable version > (1.17.4), and noticed several issues. The worse one was > with the networking book: a non-standard footnote there > with [*] instead of a number causes it to break PDF build

Re: [PATCH 08/18] docs: driver-api: add clk documentation

On Mon, 7 May 2018 06:35:44 -0300 Mauro Carvalho Chehab wrote: > The clk.rst is already in ReST format. So, move it to the > driver-api guide, where it belongs. > > Signed-off-by: Mauro Carvalho Chehab Applied, thanks. jon -- To unsubscribe from this list: send the line "unsubscribe linux-do

Re: [PATCH 07/18] docs: core-api: add circular-buffers documentation

On Mon, 7 May 2018 06:35:43 -0300 Mauro Carvalho Chehab wrote: > The circular-buffers.txt is already in ReST format. So, move it to the > core-api guide, where it belongs. > > Signed-off-by: Mauro Carvalho Chehab Applied, thanks. jon -- To unsubscribe from this list: send the line "unsubscri

Re: [PATCH 05/18] docs: core-api: add cachetlb documentation

On Mon, 7 May 2018 06:35:41 -0300 Mauro Carvalho Chehab wrote: > The cachetlb.txt is already in ReST format. So, move it to the > core-api guide, where it belongs. > > Signed-off-by: Mauro Carvalho Chehab I think we could do a better job of this by integrating it with the kerneldoc comments.

Re: [PATCH 05/18] docs: core-api: add cachetlb documentation

Hi Jani, On Tue, May 08, 2018 at 05:40:56PM +0300, Jani Nikula wrote: > On Mon, 07 May 2018, Andrea Parri wrote: > > On Mon, May 07, 2018 at 06:35:41AM -0300, Mauro Carvalho Chehab wrote: > >> The cachetlb.txt is already in ReST format. So, move it to the > >> core-api guide, where it belongs. >

Re: [PATCH 04/18] docs: admin-guide: add bcache documentation

On Mon, 7 May 2018 06:35:40 -0300 Mauro Carvalho Chehab wrote: > The bcache.txt is already in ReST format. So, move it to the > admin guide, where it belongs. > > Signed-off-by: Mauro Carvalho Chehab Applied, thanks. jon -- To unsubscribe from this list: send the line "unsubscribe linux-doc"

Re: [PATCH 03/18] docs: */index.rst: Add newer documents to their respective index.rst

On Mon, 7 May 2018 06:35:39 -0300 Mauro Carvalho Chehab wrote: > A number of new docs were added, but they're currently not on > the index.rst from the session they're supposed to be, causing > Sphinx warnings. > > Add them. > > Signed-off-by: Mauro Carvalho Chehab I've applied this one, tha

Re: [PATCH 06/18] docs: core-api: add cgroup-v2 documentation

On Mon, 7 May 2018 06:35:42 -0300 Mauro Carvalho Chehab wrote: > The cgroup-v2.txt is already in ReST format. So, move it to the > core-api guide, where it belongs. > > Signed-off-by: Mauro Carvalho Chehab Honestly, this seems to me like sysadmin material, so I think it should go into the adm

Re: [PATCH 02/18] docs: fix location of request_firmware & friends

On Mon, May 07, 2018 at 06:35:38AM -0300, Mauro Carvalho Chehab wrote: > commit 5d6d1ddd2730 ("firmware: move firmware loader into its own directory") > and other commits renamed the old firmware_class.c file and split it > into separate files, but documentation was not changed accordingly, > causi

Re: [PATCH 0/3] docs/vm: move numa_memory_policy.rst to admin-guide/mm

On Tue, 8 May 2018 10:02:07 +0300 Mike Rapoport wrote: > These patches include minor formatting and spelling updates to > Documentation/vm/numa_memory_policy.rst and move this file to > Documentation/admin-guide/mm. Set applied - thanks! jon -- To unsubscribe from this list: send the line "uns

Re: coresight: documentation: update sysfs section

On 7 May 2018 at 16:29, Kim Phillips wrote: > - Align and show updated ls devices output from the TC2, based on > current driver > > - Provide an example from an ETMv4 based system (Juno) > > - Reflect changes to the way the RAM write pointer is accessed since > it got changed in commit 7d83d1

Re: [RFC PATCH v3 0/6] Documentation/features: Provide and apply 'features-refresh.sh'

On Mon, 7 May 2018 12:43:37 +0200 Andrea Parri wrote: > This series provides the script 'features-refresh.sh', which operates on > the arch support status files, and it applies this script to refresh the > status files in place; previous discussions about this series are at [1]. Looks good, I'v

Re: [PATCH] Documentation: block: cmdline-partition.txt fixes and additions

On Sun, 6 May 2018 11:50:29 -0700 Randy Dunlap wrote: > Make the description of the kernel command line option "blkdevparts" > a bit more flowing and readable. > > Fix a few typos. > Add the optional and suffixes. > Note that size can be "-" to indicate all of the remaining space. > > Signed-

Re: [PATCH] vfio: fix documentation

On Mon, 7 May 2018 11:02:10 +0800 "dongbo (E)" wrote: > Update vfio_add_group_dev description to match the current API. > > Signed-off-by: Dong Bo Applied, thanks. jon -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majord...@vger.kernel.org

[PATCH] Documentation/admin-guide/pm/intel_pstate: fix Active Mode w/o HWP paragraph

P-state selection algorithm (powersave or performance) is selected by echoing the desired choice to scaling_governor sysfs attribute and not to scaling_cur_freq (as currently stated). Fix it. Signed-off-by: Juri Lelli Cc: Jonathan Corbet Cc: "Rafael J. Wysocki" Cc: Srinivas Pandruvada Cc: lin

Re: [PATCH 4/6] mm, arm64: untag user addresses in mm/gup.c

On Wed, May 02, 2018 at 07:25:17PM +0200, Andrey Konovalov wrote: > On Wed, May 2, 2018 at 5:36 PM, Kirill A. Shutemov > wrote: > > On Wed, May 02, 2018 at 02:38:42PM +, Andrey Konovalov wrote: > >> > Does having a tagged address here makes any difference? I couldn't hit a > >> > failure with

Re: [PATCH] doc: botching-up-ioctls: Make it clearer why structs must be padded

On Wed, 2 May 2018 09:51:06 +0200 Daniel Vetter wrote: > This came up in discussions when reviewing drm patches. Applied, thanks. > Aside: I wonder whether we shouldn't move this to some other place and > rst-ify it? Any good suggestions? For the moment, probably in Documentation/process, nex

Re: [PATCH 05/18] docs: core-api: add cachetlb documentation

On Mon, 07 May 2018, Andrea Parri wrote: > On Mon, May 07, 2018 at 06:35:41AM -0300, Mauro Carvalho Chehab wrote: >> The cachetlb.txt is already in ReST format. So, move it to the >> core-api guide, where it belongs. >> >> Signed-off-by: Mauro Carvalho Chehab >> --- >> Documentation/00-INDEX

Re: [PATCH 18/18] w1: w1_io.c: fix a kernel-doc warning

Hi 07.05.2018, 12:36, "Mauro Carvalho Chehab" : > Add a blank line to avoid this Sphinx warning: > ./drivers/w1/w1_io.c:197: WARNING: Definition list ends without a > blank line; unexpected unindent. > > Signed-off-by: Mauro Carvalho Chehab Looks good to me, thank you! What tree should

Re: [PATCH v3 6/9] trace_uprobe: Support SDT markers having reference count (semaphore)

Hi Masami, On 05/07/2018 09:26 PM, Masami Hiramatsu wrote: > On Mon, 7 May 2018 13:51:21 +0530 > Ravi Bangoria wrote: > >> Hi Masami, >> >> On 05/04/2018 07:51 PM, Ravi Bangoria wrote: > +} > + > +static void sdt_increment_ref_ctr(struct trace_uprobe *tu) > +{ > + struct uprob

Re: [PATCH v3 6/9] trace_uprobe: Support SDT markers having reference count (semaphore)

Masami Hiramatsu wrote: On Mon, 7 May 2018 13:51:21 +0530 Ravi Bangoria wrote: BTW, same issue exists for normal uprobe. If uprobe_mmap() fails, there is no feedback to trace_uprobe and no warnigns in dmesg as well !! There was a patch by Naveen to warn such failures in dmesg but that didn't g

[PATCH 1/3] docs/vm: numa_memory_policy: formatting and spelling updates

Signed-off-by: Mike Rapoport --- Documentation/vm/numa_memory_policy.rst | 24 +--- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/Documentation/vm/numa_memory_policy.rst b/Documentation/vm/numa_memory_policy.rst index 8cd942c..ac0b396 100644 --- a/Documentati

[PATCH 0/3] docs/vm: move numa_memory_policy.rst to admin-guide/mm

Hi, These patches include minor formatting and spelling updates to Documentation/vm/numa_memory_policy.rst and move this file to Documentation/admin-guide/mm. Mike Rapoport (3): docs/vm: numa_memory_policy: formatting and spelling updates docs/vm: numa_memory_policy: s/Linux memory policy/NUM

[PATCH 3/3] docs/vm: move numa_memory_policy.rst to Documentation/admin-guide/mm

The document describes userspace API and as such it belongs to Documentation/admin-guide/mm Signed-off-by: Mike Rapoport --- Documentation/admin-guide/mm/hugetlbpage.rst| 2 +- Documentation/admin-guide/mm/index.rst | 1 + Documentation/{vm => admin-guide/mm}

[PATCH 2/3] docs/vm: numa_memory_policy: s/Linux memory policy/NUMA memory policy/

The document describes NUMA memory policy and as it is a part of the Linux documentation it's obvious that this is Linux memory policy. Besides, "Linux memory policy" may refer to other policies, e.g. memory hotplug policy, and using term NUMA makes the documentation less ambiguous. Signed-off-by: