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

Amit Singh Tomar
2025-03-07T10:28:43Z

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

> 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
>