[PATCH v7 00/49] x86/resctrl: Move the resctrl filesystem code to /fs/resctrl

Amit Singh Tomar
2025-03-07T13:52:12Z

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@marvell.com
Realized I used an incorrect format for the Tested-by tag, correcting it now

Tested-by: Amit Singh Tomar <amitsinght@marvell.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
>>