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Message-ID: <5f3171e0-d96e-47ea-92d7-0a3e3e3f8147@marvell.com>
Date: Fri, 7 Mar 2025 19:20:46 +0530
From: Amit Singh Tomar <amitsinght@...vell.com>
To: James Morse <james.morse@....com>, x86@...nel.org,
linux-kernel@...r.kernel.org
Cc: Reinette Chatre <reinette.chatre@...el.com>,
Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
Borislav Petkov <bp@...en8.de>, H Peter Anvin <hpa@...or.com>,
Babu Moger <Babu.Moger@....com>, shameerali.kolothum.thodi@...wei.com,
D Scott Phillips OS <scott@...amperecomputing.com>,
carl@...amperecomputing.com, lcherian@...vell.com,
bobo.shaobowang@...wei.com, tan.shaopeng@...itsu.com,
baolin.wang@...ux.alibaba.com, Jamie Iles <quic_jiles@...cinc.com>,
Xin Hao <xhao@...ux.alibaba.com>, peternewman@...gle.com,
dfustini@...libre.com, David Hildenbrand <david@...hat.com>,
Rex Nie <rex.nie@...uarmicro.com>, Dave Martin <dave.martin@....com>,
Koba Ko <kobak@...dia.com>,
Shanker Donthineni <sdonthineni@...dia.com>, fenghuay@...dia.com
Subject: [PATCH v7 00/49] x86/resctrl: Move the resctrl filesystem code to
/fs/resctrl
On 3/7/2025 3:57 PM, Amit Singh Tomar wrote:
> Hi James,
>
> Changes since v6?:
>
>> * All the excitement is in patch 37, turns out there are two
>> rmdir() paths
>> that don't join up.
>> The last eight patches are new:
>> * The python script has been replaced with the patch that it
>> generates, see
>> the bare branch below if you want to regenerate it.
>> * There have been comments on the followup to the generated patch,
>> those are
>> included here - I suggest they be squashed into the generated patch.
>> * This version includes some checkpatch linting from Dave.
>>
>> ---
>> This series renames functions and moves code around. With the
>> exception of invalid configurations for the configurable-events,
>> there should
>> be no changes in behaviour caused by this series. It is now possible for
>> throttle_mode to report 'undefined', but no known platform will do this.
>>
>> The driving pattern is to make things like struct rdtgroup private to
>> resctrl.
>> Features like pseudo-lock aren't going to work on arm64, the ability
>> to disable
>> it at compile time is added.
>>
>> After this, I can start posting the MPAM driver to make use of
>> resctrl on arm64.
>> (What's MPAM? See the cover letter of the first series. [1])
>>
>> This series is based on v6.14-rc3 and can be retrieved from:
>> https://urldefense.proofpoint.com/v2/url?u=https-3A__git.kernel.org_pub_scm_linux_kernel_git_morse_linux.git&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=34Q-cAJD41LWUgU21FvoSkXHOM-uSrOs2a1vEwaxrNE&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__git.kernel.org_pub_scm_linux_kernel_git_morse_linux.git&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=34Q-cAJD41LWUgU21FvoSkXHOM-uSrOs2a1vEwaxrNE&e=>
>> mpam/move_to_fs/v7
>> or for those who want to regnerate the patch that moves all the code:
>
> After rebasing mpam/snapshot/v6.14-rc1 on top of this series, Tested a
> few MPAM controls, including Cache Portion Partitioning and Memory
> Bandwidth Partitioning, on Marvell CN10K ARM64 platform, and It looks
> good.
>
> For this patch-set:
> Tested-by: amitsinght@...vell.com
Realized I used an incorrect format for the Tested-by tag, correcting it now
Tested-by: Amit Singh Tomar <amitsinght@...vell.com>
>
>> https://urldefense.proofpoint.com/v2/url?u=https-3A__git.kernel.org_pub_scm_linux_kernel_git_morse_linux.git&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=34Q-cAJD41LWUgU21FvoSkXHOM-uSrOs2a1vEwaxrNE&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__git.kernel.org_pub_scm_linux_kernel_git_morse_linux.git&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=34Q-cAJD41LWUgU21FvoSkXHOM-uSrOs2a1vEwaxrNE&e=>
>> mpam/move_to_fs/v7_bare
>>
>>
>> As ever - bugs welcome,
>> Thanks,
>>
>> James
>>
>> [v6]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_lkml_20250207181823.6378-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=Giw7Cw-bCKcY06OE4h_CYGNmKoeW3Rnf9Ph433fTflg&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_lkml_20250207181823.6378-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=Giw7Cw-bCKcY06OE4h_CYGNmKoeW3Rnf9Ph433fTflg&e=>
>>
>> [v5]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20241004180347.19985-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=NuPo6XsrzJWgoWgnhpf5PxXdFEozS_Zgk_XBTnhAn6k&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20241004180347.19985-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=NuPo6XsrzJWgoWgnhpf5PxXdFEozS_Zgk_XBTnhAn6k&e=>
>>
>> [v4]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_all_20240802172853.22529-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=x0enrBNorLUBSyhg_SOJl9itXA4Ht_65SifVAOpMEO4&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_all_20240802172853.22529-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=x0enrBNorLUBSyhg_SOJl9itXA4Ht_65SifVAOpMEO4&e=>
>>
>> [v3]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240614150033.10454-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=FPG_ZTHC69sPw7sz4QOvpKZ76X7VQSTuO2yN67LY4VI&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240614150033.10454-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=FPG_ZTHC69sPw7sz4QOvpKZ76X7VQSTuO2yN67LY4VI&e=>
>>
>> [v2]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240426150537.8094-2D1-2DDave.Martin-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=C--gCozXx-zNwx631Snz1h6SShLrm546dr0_ISKSC9A&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240426150537.8094-2D1-2DDave.Martin-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=C--gCozXx-zNwx631Snz1h6SShLrm546dr0_ISKSC9A&e=>
>>
>> [v1]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240321165106.31602-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=0PJ7kJsoRhwOqCcYwUYrJwbRM9zTssWuhqkgaqXdPNY&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240321165106.31602-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=0PJ7kJsoRhwOqCcYwUYrJwbRM9zTssWuhqkgaqXdPNY&e=>
>>
>> [1]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_lkml_20201030161120.227225-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=sYrXz5z6dOOGmy5Xjm0lsmdUCAN25SnhDjyq_hUSYi4&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_lkml_20201030161120.227225-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=sYrXz5z6dOOGmy5Xjm0lsmdUCAN25SnhDjyq_hUSYi4&e=>
>>
>>
>> Amit Singh Tomar (1):
>> x86/resctrl: Remove the limit on the number of CLOSID
>>
>> Dave Martin (3):
>> x86/resctrl: Squelch whitespace anomalies in resctrl core code
>> x86/resctrl: Prefer alloc(sizeof(*foo)) idiom in
>> rdt_init_fs_context()
>> x86/resctrl: Relax some asm #includes
>>
>> James Morse (45):
>> x86/resctrl: Fix allocation of cleanest CLOSID on platforms with no
>> monitors
>> x86/resctrl: Add a helper to avoid reaching into the arch code
>> resource list
>> x86/resctrl: Remove fflags from struct rdt_resource
>> x86/resctrl: Use schema type to determine how to parse schema values
>> x86/resctrl: Use schema type to determine the schema format string
>> x86/resctrl: Remove data_width and the tabular format
>> x86/resctrl: Add max_bw to struct resctrl_membw
>> x86/resctrl: Generate default_ctrl instead of sharing it
>> x86/resctrl: Add helper for setting CPU default properties
>> x86/resctrl: Remove rdtgroup from update_cpu_closid_rmid()
>> x86/resctrl: Expose resctrl fs's init function to the rest of the
>> kernel
>> x86/resctrl: Move rdt_find_domain() to be visible to arch and fs code
>> x86/resctrl: Move resctrl types to a separate header
>> x86/resctrl: Add an arch helper to reset one resource
>> x86/resctrl: Move monitor exit work to a resctrl exit call
>> x86/resctrl: Move monitor init work to a resctrl init call
>> x86/resctrl: Rewrite and move the for_each_*_rdt_resource() walkers
>> x86/resctrl: Move the is_mbm_*_enabled() helpers to asm/resctrl.h
>> x86/resctrl: Add resctrl_arch_is_evt_configurable() to abstract BMEC
>> x86/resctrl: Change mon_event_config_{read,write}() to be arch
>> helpers
>> x86/resctrl: Move mba_mbps_default_event init to filesystem code
>> x86/resctrl: Move mbm_cfg_mask to struct rdt_resource
>> x86/resctrl: Add resctrl_arch_ prefix to pseudo lock functions
>> x86/resctrl: Allow an architecture to disable pseudo lock
>> x86/resctrl: Make prefetch_disable_bits belong to the arch code
>> x86/resctrl: Make resctrl_arch_pseudo_lock_fn() take a plr
>> x86/resctrl: Move RFTYPE flags to be managed by resctrl
>> x86/resctrl: Handle throttle_mode for SMBA resources
>> x86/resctrl: Move get_config_index() to a header
>> x86/resctrl: Move get_{mon,ctrl}_domain_from_cpu() to live with their
>> callers
>> x86/resctrl: Rename resctrl_sched_in() to begin with "resctrl_arch_"
>> x86/resctrl: resctrl_exit() teardown resctrl but leave the mount
>> point
>> x86/resctrl: Drop __init/__exit on assorted symbols
>> x86/resctrl: Move is_mba_sc() out of core.c
>> x86/resctrl: Add end-marker to the resctrl_event_id enum
>> x86/resctrl: Expand the width of dom_id by replacing mon_data_bits
>> x86/resctrl: Remove a newline to avoid confusing the code move script
>> x86/resctrl: Split trace.h
>> fs/resctrl: Add boiler plate for external resctrl code
>> x86/resctrl: Move the filesystem bits to headers visible to
>> fs/resctrl
>> x86,fs/resctrl: Move the resctrl filesystem code to live in
>> /fs/resctrl
>> x86,fs/resctrl: Remove duplicated trace header files
>> fs/resctrl: Remove unnecessary includes
>> fs/resctrl: Change internal.h's header guard macros
>> x86,fs/resctrl: Move resctrl.rst to live under
>> Documentation/filesystems
>>
>> Documentation/arch/x86/index.rst | 1 -
>> Documentation/filesystems/index.rst | 1 +
>> .../{arch/x86 => filesystems}/resctrl.rst | 0
>> MAINTAINERS | 4 +-
>> arch/Kconfig | 8 +
>> arch/x86/Kconfig | 6 +-
>> arch/x86/include/asm/resctrl.h | 43 +-
>> arch/x86/kernel/cpu/resctrl/Makefile | 8 +-
>> arch/x86/kernel/cpu/resctrl/core.c | 214 +-
>> arch/x86/kernel/cpu/resctrl/ctrlmondata.c | 606 +--
>> arch/x86/kernel/cpu/resctrl/internal.h | 504 +-
>> arch/x86/kernel/cpu/resctrl/monitor.c | 863 +---
>> arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 1120 +----
>> .../resctrl/{trace.h => pseudo_lock_trace.h} | 26 +-
>> arch/x86/kernel/cpu/resctrl/rdtgroup.c | 4031 +--------------
>> arch/x86/kernel/process_32.c | 2 +-
>> arch/x86/kernel/process_64.c | 2 +-
>> fs/Kconfig | 1 +
>> fs/Makefile | 1 +
>> fs/resctrl/Kconfig | 39 +
>> fs/resctrl/Makefile | 6 +
>> fs/resctrl/ctrlmondata.c | 660 +++
>> fs/resctrl/internal.h | 435 ++
>> fs/resctrl/monitor.c | 933 ++++
>> fs/resctrl/monitor_trace.h | 33 +
>> fs/resctrl/pseudo_lock.c | 1104 +++++
>> fs/resctrl/rdtgroup.c | 4329 +++++++++++++++++
>> include/linux/resctrl.h | 216 +-
>> include/linux/resctrl_types.h | 59 +
>> 29 files changed, 7992 insertions(+), 7263 deletions(-)
>> rename Documentation/{arch/x86 => filesystems}/resctrl.rst (100%)
>> rename arch/x86/kernel/cpu/resctrl/{trace.h => pseudo_lock_trace.h}
>> (56%)
>> create mode 100644 fs/resctrl/Kconfig
>> create mode 100644 fs/resctrl/Makefile
>> create mode 100644 fs/resctrl/ctrlmondata.c
>> create mode 100644 fs/resctrl/internal.h
>> create mode 100644 fs/resctrl/monitor.c
>> create mode 100644 fs/resctrl/monitor_trace.h
>> create mode 100644 fs/resctrl/pseudo_lock.c
>> create mode 100644 fs/resctrl/rdtgroup.c
>> create mode 100644 include/linux/resctrl_types.h
>>
>> --
>> 2.39.5
>>
>
> On 3/1/2025 1:28 AM, James Morse wrote:
>> Changes since v6?: * All the excitement is in patch 37, turns out
>> there are two rmdir() paths that don't join up. The last eight
>> patches are new: * The python script has been replaced with the patch
>> that it generates, see the bare branch below
>>
>> Changes since v6?:
>> * All the excitement is in patch 37, turns out there are two
>> rmdir() paths
>> that don't join up.
>> The last eight patches are new:
>> * The python script has been replaced with the patch that it
>> generates, see
>> the bare branch below if you want to regenerate it.
>> * There have been comments on the followup to the generated patch,
>> those are
>> included here - I suggest they be squashed into the generated patch.
>> * This version includes some checkpatch linting from Dave.
>>
>> ---
>> This series renames functions and moves code around. With the
>> exception of invalid configurations for the configurable-events,
>> there should
>> be no changes in behaviour caused by this series. It is now possible for
>> throttle_mode to report 'undefined', but no known platform will do this.
>>
>> The driving pattern is to make things like struct rdtgroup private to
>> resctrl.
>> Features like pseudo-lock aren't going to work on arm64, the ability
>> to disable
>> it at compile time is added.
>>
>> After this, I can start posting the MPAM driver to make use of
>> resctrl on arm64.
>> (What's MPAM? See the cover letter of the first series. [1])
>>
>> This series is based on v6.14-rc3 and can be retrieved from:
>> https://urldefense.proofpoint.com/v2/url?u=https-3A__git.kernel.org_pub_scm_linux_kernel_git_morse_linux.git&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=34Q-cAJD41LWUgU21FvoSkXHOM-uSrOs2a1vEwaxrNE&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__git.kernel.org_pub_scm_linux_kernel_git_morse_linux.git&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=34Q-cAJD41LWUgU21FvoSkXHOM-uSrOs2a1vEwaxrNE&e=>
>> mpam/move_to_fs/v7
>> or for those who want to regnerate the patch that moves all the code:
>> https://urldefense.proofpoint.com/v2/url?u=https-3A__git.kernel.org_pub_scm_linux_kernel_git_morse_linux.git&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=34Q-cAJD41LWUgU21FvoSkXHOM-uSrOs2a1vEwaxrNE&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__git.kernel.org_pub_scm_linux_kernel_git_morse_linux.git&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=34Q-cAJD41LWUgU21FvoSkXHOM-uSrOs2a1vEwaxrNE&e=>
>> mpam/move_to_fs/v7_bare
>>
>>
>> As ever - bugs welcome,
>> Thanks,
>>
>> James
>>
>> [v6]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_lkml_20250207181823.6378-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=Giw7Cw-bCKcY06OE4h_CYGNmKoeW3Rnf9Ph433fTflg&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_lkml_20250207181823.6378-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=Giw7Cw-bCKcY06OE4h_CYGNmKoeW3Rnf9Ph433fTflg&e=>
>>
>> [v5]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20241004180347.19985-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=NuPo6XsrzJWgoWgnhpf5PxXdFEozS_Zgk_XBTnhAn6k&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20241004180347.19985-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=NuPo6XsrzJWgoWgnhpf5PxXdFEozS_Zgk_XBTnhAn6k&e=>
>>
>> [v4]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_all_20240802172853.22529-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=x0enrBNorLUBSyhg_SOJl9itXA4Ht_65SifVAOpMEO4&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_all_20240802172853.22529-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=x0enrBNorLUBSyhg_SOJl9itXA4Ht_65SifVAOpMEO4&e=>
>>
>> [v3]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240614150033.10454-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=FPG_ZTHC69sPw7sz4QOvpKZ76X7VQSTuO2yN67LY4VI&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240614150033.10454-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=FPG_ZTHC69sPw7sz4QOvpKZ76X7VQSTuO2yN67LY4VI&e=>
>>
>> [v2]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240426150537.8094-2D1-2DDave.Martin-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=C--gCozXx-zNwx631Snz1h6SShLrm546dr0_ISKSC9A&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240426150537.8094-2D1-2DDave.Martin-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=C--gCozXx-zNwx631Snz1h6SShLrm546dr0_ISKSC9A&e=>
>>
>> [v1]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240321165106.31602-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=0PJ7kJsoRhwOqCcYwUYrJwbRM9zTssWuhqkgaqXdPNY&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_r_20240321165106.31602-2D1-2Djames.morse-40arm.com&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=0PJ7kJsoRhwOqCcYwUYrJwbRM9zTssWuhqkgaqXdPNY&e=>
>>
>> [1]https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_lkml_20201030161120.227225-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=sYrXz5z6dOOGmy5Xjm0lsmdUCAN25SnhDjyq_hUSYi4&e=
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__lore.kernel.org_lkml_20201030161120.227225-2D1-2Djames.morse-40arm.com_&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=V_GK7jRuCHDErm6txmgDK1-MbUihtnSQ3gPgB-A-JKU&m=nuwqirfPj-0yJqyDZfy25skE_NJ-fYFcygpI04RUICnSUBYHutdqE6Gakd1Z3I8H&s=sYrXz5z6dOOGmy5Xjm0lsmdUCAN25SnhDjyq_hUSYi4&e=>
>>
>>
>> Amit Singh Tomar (1):
>> x86/resctrl: Remove the limit on the number of CLOSID
>>
>> Dave Martin (3):
>> x86/resctrl: Squelch whitespace anomalies in resctrl core code
>> x86/resctrl: Prefer alloc(sizeof(*foo)) idiom in
>> rdt_init_fs_context()
>> x86/resctrl: Relax some asm #includes
>>
>> James Morse (45):
>> x86/resctrl: Fix allocation of cleanest CLOSID on platforms with no
>> monitors
>> x86/resctrl: Add a helper to avoid reaching into the arch code
>> resource list
>> x86/resctrl: Remove fflags from struct rdt_resource
>> x86/resctrl: Use schema type to determine how to parse schema values
>> x86/resctrl: Use schema type to determine the schema format string
>> x86/resctrl: Remove data_width and the tabular format
>> x86/resctrl: Add max_bw to struct resctrl_membw
>> x86/resctrl: Generate default_ctrl instead of sharing it
>> x86/resctrl: Add helper for setting CPU default properties
>> x86/resctrl: Remove rdtgroup from update_cpu_closid_rmid()
>> x86/resctrl: Expose resctrl fs's init function to the rest of the
>> kernel
>> x86/resctrl: Move rdt_find_domain() to be visible to arch and fs code
>> x86/resctrl: Move resctrl types to a separate header
>> x86/resctrl: Add an arch helper to reset one resource
>> x86/resctrl: Move monitor exit work to a resctrl exit call
>> x86/resctrl: Move monitor init work to a resctrl init call
>> x86/resctrl: Rewrite and move the for_each_*_rdt_resource() walkers
>> x86/resctrl: Move the is_mbm_*_enabled() helpers to asm/resctrl.h
>> x86/resctrl: Add resctrl_arch_is_evt_configurable() to abstract BMEC
>> x86/resctrl: Change mon_event_config_{read,write}() to be arch
>> helpers
>> x86/resctrl: Move mba_mbps_default_event init to filesystem code
>> x86/resctrl: Move mbm_cfg_mask to struct rdt_resource
>> x86/resctrl: Add resctrl_arch_ prefix to pseudo lock functions
>> x86/resctrl: Allow an architecture to disable pseudo lock
>> x86/resctrl: Make prefetch_disable_bits belong to the arch code
>> x86/resctrl: Make resctrl_arch_pseudo_lock_fn() take a plr
>> x86/resctrl: Move RFTYPE flags to be managed by resctrl
>> x86/resctrl: Handle throttle_mode for SMBA resources
>> x86/resctrl: Move get_config_index() to a header
>> x86/resctrl: Move get_{mon,ctrl}_domain_from_cpu() to live with their
>> callers
>> x86/resctrl: Rename resctrl_sched_in() to begin with "resctrl_arch_"
>> x86/resctrl: resctrl_exit() teardown resctrl but leave the mount
>> point
>> x86/resctrl: Drop __init/__exit on assorted symbols
>> x86/resctrl: Move is_mba_sc() out of core.c
>> x86/resctrl: Add end-marker to the resctrl_event_id enum
>> x86/resctrl: Expand the width of dom_id by replacing mon_data_bits
>> x86/resctrl: Remove a newline to avoid confusing the code move script
>> x86/resctrl: Split trace.h
>> fs/resctrl: Add boiler plate for external resctrl code
>> x86/resctrl: Move the filesystem bits to headers visible to
>> fs/resctrl
>> x86,fs/resctrl: Move the resctrl filesystem code to live in
>> /fs/resctrl
>> x86,fs/resctrl: Remove duplicated trace header files
>> fs/resctrl: Remove unnecessary includes
>> fs/resctrl: Change internal.h's header guard macros
>> x86,fs/resctrl: Move resctrl.rst to live under
>> Documentation/filesystems
>>
>> Documentation/arch/x86/index.rst | 1 -
>> Documentation/filesystems/index.rst | 1 +
>> .../{arch/x86 => filesystems}/resctrl.rst | 0
>> MAINTAINERS | 4 +-
>> arch/Kconfig | 8 +
>> arch/x86/Kconfig | 6 +-
>> arch/x86/include/asm/resctrl.h | 43 +-
>> arch/x86/kernel/cpu/resctrl/Makefile | 8 +-
>> arch/x86/kernel/cpu/resctrl/core.c | 214 +-
>> arch/x86/kernel/cpu/resctrl/ctrlmondata.c | 606 +--
>> arch/x86/kernel/cpu/resctrl/internal.h | 504 +-
>> arch/x86/kernel/cpu/resctrl/monitor.c | 863 +---
>> arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 1120 +----
>> .../resctrl/{trace.h => pseudo_lock_trace.h} | 26 +-
>> arch/x86/kernel/cpu/resctrl/rdtgroup.c | 4031 +--------------
>> arch/x86/kernel/process_32.c | 2 +-
>> arch/x86/kernel/process_64.c | 2 +-
>> fs/Kconfig | 1 +
>> fs/Makefile | 1 +
>> fs/resctrl/Kconfig | 39 +
>> fs/resctrl/Makefile | 6 +
>> fs/resctrl/ctrlmondata.c | 660 +++
>> fs/resctrl/internal.h | 435 ++
>> fs/resctrl/monitor.c | 933 ++++
>> fs/resctrl/monitor_trace.h | 33 +
>> fs/resctrl/pseudo_lock.c | 1104 +++++
>> fs/resctrl/rdtgroup.c | 4329 +++++++++++++++++
>> include/linux/resctrl.h | 216 +-
>> include/linux/resctrl_types.h | 59 +
>> 29 files changed, 7992 insertions(+), 7263 deletions(-)
>> rename Documentation/{arch/x86 => filesystems}/resctrl.rst (100%)
>> rename arch/x86/kernel/cpu/resctrl/{trace.h => pseudo_lock_trace.h}
>> (56%)
>> create mode 100644 fs/resctrl/Kconfig
>> create mode 100644 fs/resctrl/Makefile
>> create mode 100644 fs/resctrl/ctrlmondata.c
>> create mode 100644 fs/resctrl/internal.h
>> create mode 100644 fs/resctrl/monitor.c
>> create mode 100644 fs/resctrl/monitor_trace.h
>> create mode 100644 fs/resctrl/pseudo_lock.c
>> create mode 100644 fs/resctrl/rdtgroup.c
>> create mode 100644 include/linux/resctrl_types.h
>>
>> --
>> 2.39.5
>>
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