| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <CAJZ5v0hoD9ZBvsbE4bvfgJc09ijAY421vNngCYaz3qy-Cg2bdw@mail.gmail.com> Date: Tue, 10 Dec 2024 18:38:15 +0100 From: "Rafael J. Wysocki" <rafael@...nel.org> To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com> Cc: Mario Limonciello <mario.limonciello@....com>, "Rafael J . Wysocki" <rafael@...nel.org>, Hans de Goede <hdegoede@...hat.com>, Len Brown <lenb@...nel.org>, Maximilian Luz <luzmaximilian@...il.com>, Lee Chun-Yi <jlee@...e.com>, Shyam Sundar S K <Shyam-sundar.S-k@....com>, Corentin Chary <corentin.chary@...il.com>, "Luke D . Jones" <luke@...nes.dev>, Ike Panhc <ike.pan@...onical.com>, Henrique de Moraes Holschuh <hmh@....eng.br>, Alexis Belmonte <alexbelm48@...il.com>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, Ai Chao <aichao@...inos.cn>, Gergo Koteles <soyer@....hu>, open list <linux-kernel@...r.kernel.org>, "open list:ACPI" <linux-acpi@...r.kernel.org>, "open list:MICROSOFT SURFACE PLATFORM PROFILE DRIVER" <platform-driver-x86@...r.kernel.org>, "open list:THINKPAD ACPI EXTRAS DRIVER" <ibm-acpi-devel@...ts.sourceforge.net>, Mark Pearson <mpearson-lenovo@...ebb.ca>, Matthew Schwartz <matthew.schwartz@...ux.dev> Subject: Re: [PATCH v10 00/22] Add support for binding ACPI platform profile to multiple drivers Hi Ilpo, On Tue, Dec 10, 2024 at 6:30 PM Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com> wrote: > > Hi Rafael, > > This series seems ready and Mario has requested it to be merged through > platform drivers tree despite majority of changes touching > drivers/acpi/platform_profile.c because its API relates to many pdx86 > drivers. > > Is that fine with you? Yes, it is, thanks! > On Thu, 5 Dec 2024, Mario Limonciello wrote: > > > Currently there are a number of ASUS products on the market that happen to > > have ACPI objects for amd-pmf to bind to as well as an ACPI platform > > profile provided by asus-wmi. > > > > The ACPI platform profile support created by amd-pmf on these ASUS > > products is "Function 9" which is specifically for "BIOS or EC > > notification" of power slider position. This feature is actively used > > by some designs such as Framework 13 and Framework 16. > > > > On these ASUS designs we keep on quirking more and more of them to turn > > off this notification so that asus-wmi can bind. > > > > This however isn't how Windows works. "Multiple" things are notified for > > the power slider position. This series adjusts Linux to behave similarly. > > > > Multiple drivers can now register an ACPI platform profile and will react > > to set requests. > > > > To avoid chaos, only positions that are common to both drivers are > > accepted when the legacy /sys/firmware/acpi/platform_profile interface > > is used. > > > > This series also adds a new concept of a "custom" profile. This allows > > userspace to discover that there are multiple driver handlers that are > > configured differently. > > > > This series also allows dropping all of the PMF quirks from amd-pmf. > > > > NOTE: Although this series changes code in acpi platform profile, I think > > it is better to go through the platform-x86 tree as more drivers can > > be introduced during the kernel cycle and should make the changes to > > support class interface when merging. > > > > v10: > > * Whitespace changes > > * Documentation update for custom in a single driver > > > > Mario Limonciello (22): > > ACPI: platform-profile: Add a name member to handlers > > platform/x86/dell: dell-pc: Create platform device > > ACPI: platform_profile: Add device pointer into platform profile > > handler > > ACPI: platform_profile: Add platform handler argument to > > platform_profile_remove() > > ACPI: platform_profile: Pass the profile handler into > > platform_profile_notify() > > ACPI: platform_profile: Move sanity check out of the mutex > > ACPI: platform_profile: Move matching string for new profile out of > > mutex > > ACPI: platform_profile: Use guard(mutex) for register/unregister > > ACPI: platform_profile: Use `scoped_cond_guard` > > ACPI: platform_profile: Create class for ACPI platform profile > > ACPI: platform_profile: Add name attribute to class interface > > ACPI: platform_profile: Add choices attribute for class interface > > ACPI: platform_profile: Add profile attribute for class interface > > ACPI: platform_profile: Notify change events on register and > > unregister > > ACPI: platform_profile: Only show profiles common for all handlers > > ACPI: platform_profile: Add concept of a "custom" profile > > ACPI: platform_profile: Make sure all profile handlers agree on > > profile > > ACPI: platform_profile: Check all profile handler to calculate next > > ACPI: platform_profile: Notify class device from > > platform_profile_notify() > > ACPI: platform_profile: Allow multiple handlers > > platform/x86/amd: pmf: Drop all quirks > > Documentation: Add documentation about class interface for platform > > profiles > > > > .../ABI/testing/sysfs-platform_profile | 5 + > > .../userspace-api/sysfs-platform_profile.rst | 38 ++ > > drivers/acpi/platform_profile.c | 534 ++++++++++++++---- > > .../surface/surface_platform_profile.c | 8 +- > > drivers/platform/x86/acer-wmi.c | 12 +- > > drivers/platform/x86/amd/pmf/Makefile | 2 +- > > drivers/platform/x86/amd/pmf/core.c | 1 - > > drivers/platform/x86/amd/pmf/pmf-quirks.c | 66 --- > > drivers/platform/x86/amd/pmf/pmf.h | 3 - > > drivers/platform/x86/amd/pmf/sps.c | 4 +- > > drivers/platform/x86/asus-wmi.c | 8 +- > > drivers/platform/x86/dell/alienware-wmi.c | 8 +- > > drivers/platform/x86/dell/dell-pc.c | 38 +- > > drivers/platform/x86/hp/hp-wmi.c | 8 +- > > drivers/platform/x86/ideapad-laptop.c | 6 +- > > .../platform/x86/inspur_platform_profile.c | 7 +- > > drivers/platform/x86/thinkpad_acpi.c | 16 +- > > include/linux/platform_profile.h | 9 +- > > 18 files changed, 559 insertions(+), 214 deletions(-) > > delete mode 100644 drivers/platform/x86/amd/pmf/pmf-quirks.c > > -- > i. >
Powered by blists - more mailing lists