From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Jonathan Cameron <Jonathan.Cameron@huawei.com>,
gregkh@linuxfoundation.org
Cc: James Morse <james.morse@arm.com>,
linux-pm@vger.kernel.org, loongarch@lists.linux.dev,
linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev,
x86@kernel.org, Salil Mehta <salil.mehta@huawei.com>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
jianyong.wu@arm.com, justin.he@arm.com
Subject: Re: [RFC PATCH v2 11/35] arch_topology: Make register_cpu_capacity_sysctl() tolerant to late CPUs
Date: Fri, 20 Oct 2023 12:53:29 +0100 [thread overview]
Message-ID: <ZTJqOTfDEnL9wgtY@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230914130126.000069db@Huawei.com>
On Thu, Sep 14, 2023 at 01:01:26PM +0100, Jonathan Cameron wrote:
> On Wed, 13 Sep 2023 16:37:59 +0000
> James Morse <james.morse@arm.com> wrote:
>
> > register_cpu_capacity_sysctl() adds a property to sysfs that describes
> > the CPUs capacity. This is done from a subsys_initcall() that assumes
> > all possible CPUs are registered.
> >
> > With CPU hotplug, possible CPUs aren't registered until they become
> > present, (or for arm64 enabled). This leads to messages during boot:
> > | register_cpu_capacity_sysctl: too early to get CPU1 device!
> > and once these CPUs are added to the system, the file is missing.
> >
> > Move this to a cpuhp callback, so that the file is created once
> > CPUs are brought online. This covers CPUs that are added late by
> > mechanisms like hotplug.
> > One observable difference is the file is now missing for offline CPUs.
> >
> > Signed-off-by: James Morse <james.morse@arm.com>
> > ---
> > If the offline CPUs thing is a problem for the tools that consume
> > this value, we'd need to move cpu_capacity to be part of cpu.c's
> > common_cpu_attr_groups.
>
> I think we should do that anyway and then use an is_visible() if we want to
> change whether it is visible in offline cpus.
>
> Dynamic sysfs file creation is horrible - particularly when done
> from an totally different file from where the rest of the attributes
> are registered. I'm curious what the history behind that is.
>
> Whilst here, why is there a common_cpu_attr_groups which is
> identical to the hotpluggable_cpu_attr_groups in base/cpu.c?
>
>
> +CC GregKH
> Given changes in drivers/base/
It would be good to have a comment on this from Greg before I post
an updated series of James' patches with most of the comments
addressed, possibly later today.
Thanks.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Jonathan Cameron <Jonathan.Cameron@huawei.com>,
gregkh@linuxfoundation.org
Cc: James Morse <james.morse@arm.com>,
linux-pm@vger.kernel.org, loongarch@lists.linux.dev,
linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev,
x86@kernel.org, Salil Mehta <salil.mehta@huawei.com>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
jianyong.wu@arm.com, justin.he@arm.com
Subject: Re: [RFC PATCH v2 11/35] arch_topology: Make register_cpu_capacity_sysctl() tolerant to late CPUs
Date: Fri, 20 Oct 2023 12:53:29 +0100 [thread overview]
Message-ID: <ZTJqOTfDEnL9wgtY@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230914130126.000069db@Huawei.com>
On Thu, Sep 14, 2023 at 01:01:26PM +0100, Jonathan Cameron wrote:
> On Wed, 13 Sep 2023 16:37:59 +0000
> James Morse <james.morse@arm.com> wrote:
>
> > register_cpu_capacity_sysctl() adds a property to sysfs that describes
> > the CPUs capacity. This is done from a subsys_initcall() that assumes
> > all possible CPUs are registered.
> >
> > With CPU hotplug, possible CPUs aren't registered until they become
> > present, (or for arm64 enabled). This leads to messages during boot:
> > | register_cpu_capacity_sysctl: too early to get CPU1 device!
> > and once these CPUs are added to the system, the file is missing.
> >
> > Move this to a cpuhp callback, so that the file is created once
> > CPUs are brought online. This covers CPUs that are added late by
> > mechanisms like hotplug.
> > One observable difference is the file is now missing for offline CPUs.
> >
> > Signed-off-by: James Morse <james.morse@arm.com>
> > ---
> > If the offline CPUs thing is a problem for the tools that consume
> > this value, we'd need to move cpu_capacity to be part of cpu.c's
> > common_cpu_attr_groups.
>
> I think we should do that anyway and then use an is_visible() if we want to
> change whether it is visible in offline cpus.
>
> Dynamic sysfs file creation is horrible - particularly when done
> from an totally different file from where the rest of the attributes
> are registered. I'm curious what the history behind that is.
>
> Whilst here, why is there a common_cpu_attr_groups which is
> identical to the hotpluggable_cpu_attr_groups in base/cpu.c?
>
>
> +CC GregKH
> Given changes in drivers/base/
It would be good to have a comment on this from Greg before I post
an updated series of James' patches with most of the comments
addressed, possibly later today.
Thanks.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Jonathan Cameron <Jonathan.Cameron@huawei.com>,
gregkh@linuxfoundation.org
Cc: James Morse <james.morse@arm.com>,
linux-pm@vger.kernel.org, loongarch@lists.linux.dev,
linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev,
x86@kernel.org, Salil Mehta <salil.mehta@huawei.com>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
jianyong.wu@arm.com, justin.he@arm.com
Subject: Re: [RFC PATCH v2 11/35] arch_topology: Make register_cpu_capacity_sysctl() tolerant to late CPUs
Date: Fri, 20 Oct 2023 12:53:29 +0100 [thread overview]
Message-ID: <ZTJqOTfDEnL9wgtY@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230914130126.000069db@Huawei.com>
On Thu, Sep 14, 2023 at 01:01:26PM +0100, Jonathan Cameron wrote:
> On Wed, 13 Sep 2023 16:37:59 +0000
> James Morse <james.morse@arm.com> wrote:
>
> > register_cpu_capacity_sysctl() adds a property to sysfs that describes
> > the CPUs capacity. This is done from a subsys_initcall() that assumes
> > all possible CPUs are registered.
> >
> > With CPU hotplug, possible CPUs aren't registered until they become
> > present, (or for arm64 enabled). This leads to messages during boot:
> > | register_cpu_capacity_sysctl: too early to get CPU1 device!
> > and once these CPUs are added to the system, the file is missing.
> >
> > Move this to a cpuhp callback, so that the file is created once
> > CPUs are brought online. This covers CPUs that are added late by
> > mechanisms like hotplug.
> > One observable difference is the file is now missing for offline CPUs.
> >
> > Signed-off-by: James Morse <james.morse@arm.com>
> > ---
> > If the offline CPUs thing is a problem for the tools that consume
> > this value, we'd need to move cpu_capacity to be part of cpu.c's
> > common_cpu_attr_groups.
>
> I think we should do that anyway and then use an is_visible() if we want to
> change whether it is visible in offline cpus.
>
> Dynamic sysfs file creation is horrible - particularly when done
> from an totally different file from where the rest of the attributes
> are registered. I'm curious what the history behind that is.
>
> Whilst here, why is there a common_cpu_attr_groups which is
> identical to the hotpluggable_cpu_attr_groups in base/cpu.c?
>
>
> +CC GregKH
> Given changes in drivers/base/
It would be good to have a comment on this from Greg before I post
an updated series of James' patches with most of the comments
addressed, possibly later today.
Thanks.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2023-10-20 11:53 UTC|newest]
Thread overview: 456+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-13 16:37 [RFC PATCH v2 00/35] ACPI/arm64: add support for virtual cpuhotplug James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` [RFC PATCH v2 01/35] ACPI: Move ACPI_HOTPLUG_CPU to be disabled on arm64 and riscv James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 8:54 ` Russell King (Oracle)
2023-09-14 8:54 ` Russell King (Oracle)
2023-09-14 8:54 ` Russell King (Oracle)
2023-09-13 16:37 ` [RFC PATCH v2 02/35] drivers: base: Use present CPUs in GENERIC_CPU_DEVICES James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 8:20 ` Russell King (Oracle)
2023-09-14 8:20 ` Russell King (Oracle)
2023-09-14 8:20 ` Russell King (Oracle)
2023-09-14 10:56 ` Jonathan Cameron
2023-09-14 10:56 ` Jonathan Cameron
2023-09-14 10:56 ` Jonathan Cameron
2023-09-14 11:11 ` Russell King (Oracle)
2023-09-14 11:11 ` Russell King (Oracle)
2023-09-14 11:11 ` Russell King (Oracle)
2023-09-14 10:56 ` Jonathan Cameron
2023-09-14 10:56 ` Jonathan Cameron
2023-09-14 10:56 ` Jonathan Cameron
2023-09-13 16:37 ` [RFC PATCH v2 03/35] drivers: base: Allow parts of GENERIC_CPU_DEVICES to be overridden James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 8:33 ` Russell King (Oracle)
2023-09-14 8:33 ` Russell King (Oracle)
2023-09-14 8:33 ` Russell King (Oracle)
2023-09-14 11:00 ` Jonathan Cameron
2023-09-14 11:00 ` Jonathan Cameron
2023-09-14 11:00 ` Jonathan Cameron
2023-09-14 11:05 ` Jonathan Cameron
2023-09-14 11:05 ` Jonathan Cameron
2023-09-14 11:05 ` Jonathan Cameron
2023-09-13 16:37 ` [RFC PATCH v2 04/35] drivers: base: Move cpu_dev_init() after node_dev_init() James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 9:40 ` Russell King (Oracle)
2023-09-14 9:40 ` Russell King (Oracle)
2023-09-14 9:40 ` Russell King (Oracle)
2023-09-14 11:16 ` Jonathan Cameron
2023-09-14 11:16 ` Jonathan Cameron
2023-09-14 11:16 ` Jonathan Cameron
2023-09-13 16:37 ` [RFC PATCH v2 05/35] drivers: base: Print a warning instead of panic() when register_cpu() fails James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 9:52 ` Russell King (Oracle)
2023-09-14 9:52 ` Russell King (Oracle)
2023-09-14 9:52 ` Russell King (Oracle)
2023-09-18 3:33 ` Gavin Shan
2023-09-18 3:33 ` Gavin Shan
2023-09-18 3:33 ` Gavin Shan
2023-10-20 11:16 ` Russell King (Oracle)
2023-10-20 11:16 ` Russell King (Oracle)
2023-10-20 11:16 ` Russell King (Oracle)
2023-09-13 16:37 ` [RFC PATCH v2 06/35] arm64: setup: Switch over to GENERIC_CPU_DEVICES using arch_register_cpu() James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 9:56 ` Russell King (Oracle)
2023-09-14 9:56 ` Russell King (Oracle)
2023-09-14 9:56 ` Russell King (Oracle)
2023-09-14 11:27 ` Jonathan Cameron
2023-09-14 11:27 ` Jonathan Cameron
2023-09-14 11:27 ` Jonathan Cameron
2023-09-14 14:07 ` Russell King (Oracle)
2023-09-14 14:07 ` Russell King (Oracle)
2023-09-14 14:07 ` Russell King (Oracle)
2023-09-14 14:56 ` Jonathan Cameron
2023-09-14 14:56 ` Jonathan Cameron
2023-09-14 14:56 ` Jonathan Cameron
2023-09-13 16:37 ` [RFC PATCH v2 07/35] x86: intel_epb: Don't rely on link order James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 10:02 ` Russell King (Oracle)
2023-09-14 10:02 ` Russell King (Oracle)
2023-09-14 10:02 ` Russell King (Oracle)
2023-09-18 3:48 ` Gavin Shan
2023-09-18 3:48 ` Gavin Shan
2023-09-18 3:48 ` Gavin Shan
2023-09-13 16:37 ` [RFC PATCH v2 08/35] x86/topology: Switch over to GENERIC_CPU_DEVICES James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 10:01 ` Russell King (Oracle)
2023-09-14 10:01 ` Russell King (Oracle)
2023-09-14 10:01 ` Russell King (Oracle)
2023-09-14 11:40 ` Jonathan Cameron
2023-09-14 11:40 ` Jonathan Cameron
2023-09-14 11:40 ` Jonathan Cameron
2023-09-13 16:37 ` [RFC PATCH v2 09/35] LoongArch: " James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 10:03 ` Russell King (Oracle)
2023-09-14 10:03 ` Russell King (Oracle)
2023-09-14 10:03 ` Russell King (Oracle)
2023-09-14 11:47 ` Jonathan Cameron
2023-09-14 11:47 ` Jonathan Cameron
2023-09-14 11:47 ` Jonathan Cameron
2023-09-13 16:37 ` [RFC PATCH v2 10/35] riscv: " James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 10:04 ` Russell King (Oracle)
2023-09-14 10:04 ` Russell King (Oracle)
2023-09-14 10:04 ` Russell King (Oracle)
2023-09-14 11:48 ` Jonathan Cameron
2023-09-14 11:48 ` Jonathan Cameron
2023-09-14 11:48 ` Jonathan Cameron
2023-09-13 16:37 ` [RFC PATCH v2 11/35] arch_topology: Make register_cpu_capacity_sysctl() tolerant to late CPUs James Morse
2023-09-13 16:37 ` James Morse
2023-09-13 16:37 ` James Morse
2023-09-14 12:01 ` Jonathan Cameron
2023-09-14 12:01 ` Jonathan Cameron
2023-09-14 12:01 ` Jonathan Cameron
2023-10-20 11:53 ` Russell King (Oracle) [this message]
2023-10-20 11:53 ` Russell King (Oracle)
2023-10-20 11:53 ` Russell King (Oracle)
2023-10-21 10:56 ` Greg KH
2023-10-21 10:56 ` Greg KH
2023-10-21 10:56 ` Greg KH
2023-10-20 13:44 ` Russell King (Oracle)
2023-10-20 13:44 ` Russell King (Oracle)
2023-10-20 13:44 ` Russell King (Oracle)
2023-11-14 10:04 ` Russell King (Oracle)
2023-11-14 10:04 ` Russell King (Oracle)
2023-11-14 10:04 ` Russell King (Oracle)
2023-11-30 16:46 ` Jonathan Cameron
2023-11-30 16:46 ` Jonathan Cameron
2023-11-30 16:46 ` Jonathan Cameron
2023-09-13 16:38 ` [RFC PATCH v2 12/35] ACPI: Use the acpi_device_is_present() helper in more places James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 12:04 ` Jonathan Cameron
2023-09-14 12:04 ` Jonathan Cameron
2023-09-14 12:04 ` Jonathan Cameron
2023-09-18 4:06 ` Gavin Shan
2023-09-18 4:06 ` Gavin Shan
2023-09-18 4:06 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 13/35] ACPI: Rename acpi_scan_device_not_present() to be about enumeration James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-18 4:13 ` Gavin Shan
2023-09-18 4:13 ` Gavin Shan
2023-09-18 4:13 ` Gavin Shan
2023-10-20 16:01 ` Russell King (Oracle)
2023-10-20 16:01 ` Russell King (Oracle)
2023-10-20 16:01 ` Russell King (Oracle)
2023-10-20 16:41 ` Jonathan Cameron
2023-10-20 16:41 ` Jonathan Cameron
2023-10-20 16:41 ` Jonathan Cameron
2023-09-13 16:38 ` [RFC PATCH v2 14/35] ACPI: Only enumerate enabled (or functional) devices James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 12:27 ` Jonathan Cameron
2023-09-14 12:27 ` Jonathan Cameron
2023-09-14 12:27 ` Jonathan Cameron
2023-09-14 13:09 ` Jonathan Cameron
2023-09-14 13:09 ` Jonathan Cameron
2023-09-14 13:09 ` Jonathan Cameron
2023-10-20 15:32 ` Russell King (Oracle)
2023-10-20 15:32 ` Russell King (Oracle)
2023-10-20 15:32 ` Russell King (Oracle)
2023-10-20 16:43 ` Jonathan Cameron
2023-10-20 16:43 ` Jonathan Cameron
2023-10-20 16:43 ` Jonathan Cameron
2023-09-18 4:38 ` Gavin Shan
2023-09-18 4:38 ` Gavin Shan
2023-09-18 4:38 ` Gavin Shan
2023-09-18 23:43 ` Gavin Shan
2023-09-18 23:43 ` Gavin Shan
2023-09-18 23:43 ` Gavin Shan
2023-10-20 15:45 ` Russell King (Oracle)
2023-10-20 15:45 ` Russell King (Oracle)
2023-10-20 15:45 ` Russell King (Oracle)
2023-09-13 16:38 ` [RFC PATCH v2 15/35] ACPI: processor: Add support for processors described as container packages James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 13:53 ` Jonathan Cameron
2023-09-14 13:53 ` Jonathan Cameron
2023-09-14 13:53 ` Jonathan Cameron
2023-11-03 10:43 ` Russell King (Oracle)
2023-11-03 10:43 ` Russell King (Oracle)
2023-11-03 10:43 ` Russell King (Oracle)
2023-11-03 10:57 ` Russell King (Oracle)
2023-11-03 10:57 ` Russell King (Oracle)
2023-11-03 10:57 ` Russell King (Oracle)
2023-11-03 12:52 ` Jonathan Cameron
2023-11-03 12:52 ` Jonathan Cameron
2023-11-03 12:52 ` Jonathan Cameron
2023-09-18 5:02 ` Gavin Shan
2023-09-18 5:02 ` Gavin Shan
2023-09-18 5:02 ` Gavin Shan
2023-11-03 10:54 ` Russell King (Oracle)
2023-11-03 10:54 ` Russell King (Oracle)
2023-11-03 10:54 ` Russell King (Oracle)
2023-11-03 11:37 ` Russell King (Oracle)
2023-11-03 11:37 ` Russell King (Oracle)
2023-11-03 11:37 ` Russell King (Oracle)
2023-09-13 16:38 ` [RFC PATCH v2 16/35] ACPI: processor: Register CPUs that are online, but not described in the DSDT James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 13:56 ` Jonathan Cameron
2023-09-14 13:56 ` Jonathan Cameron
2023-09-14 13:56 ` Jonathan Cameron
2023-09-18 5:12 ` Gavin Shan
2023-09-18 5:12 ` Gavin Shan
2023-09-18 5:12 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 17/35] ACPI: processor: Register all CPUs from acpi_processor_get_info() James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-18 5:19 ` Gavin Shan
2023-09-18 5:19 ` Gavin Shan
2023-09-18 5:19 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 18/35] ACPI: Rename ACPI_HOTPLUG_CPU to include 'present' James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-18 5:22 ` Gavin Shan
2023-09-18 5:22 ` Gavin Shan
2023-09-18 5:22 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 19/35] ACPI: Move acpi_bus_trim_one() before acpi_scan_hot_remove() James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 14:10 ` Jonathan Cameron
2023-09-14 14:10 ` Jonathan Cameron
2023-09-14 14:10 ` Jonathan Cameron
2023-09-18 5:36 ` Gavin Shan
2023-09-18 5:36 ` Gavin Shan
2023-09-18 5:36 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 20/35] ACPI: Rename acpi_processor_hotadd_init and remove pre-processor guards James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 14:17 ` Jonathan Cameron
2023-09-14 14:17 ` Jonathan Cameron
2023-09-14 14:17 ` Jonathan Cameron
2023-09-18 5:50 ` Gavin Shan
2023-09-18 5:50 ` Gavin Shan
2023-09-18 5:50 ` Gavin Shan
2023-10-23 20:01 ` Russell King (Oracle)
2023-10-23 20:01 ` Russell King (Oracle)
2023-10-23 20:01 ` Russell King (Oracle)
2023-09-13 16:38 ` [RFC PATCH v2 21/35] ACPI: Add post_eject to struct acpi_scan_handler for cpu hotplug James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 14:28 ` Jonathan Cameron
2023-09-14 14:28 ` Jonathan Cameron
2023-09-14 14:28 ` Jonathan Cameron
2023-09-19 0:31 ` Gavin Shan
2023-09-19 0:31 ` Gavin Shan
2023-09-19 0:31 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 22/35] ACPI: Check _STA present bit before making CPUs not present James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 14:31 ` Jonathan Cameron
2023-09-14 14:31 ` Jonathan Cameron
2023-09-14 14:31 ` Jonathan Cameron
2023-11-03 14:09 ` Russell King (Oracle)
2023-11-03 14:09 ` Russell King (Oracle)
2023-11-03 14:09 ` Russell King (Oracle)
2023-09-19 0:45 ` Gavin Shan
2023-09-19 0:45 ` Gavin Shan
2023-09-19 0:45 ` Gavin Shan
2023-11-03 14:37 ` Russell King (Oracle)
2023-11-03 14:37 ` Russell King (Oracle)
2023-11-03 14:37 ` Russell King (Oracle)
2023-09-13 16:38 ` [RFC PATCH v2 23/35] ACPI: Warn when the present bit changes but the feature is not enabled James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 14:32 ` Jonathan Cameron
2023-09-14 14:32 ` Jonathan Cameron
2023-09-14 14:32 ` Jonathan Cameron
2023-09-19 0:49 ` Gavin Shan
2023-09-19 0:49 ` Gavin Shan
2023-09-19 0:49 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 24/35] drivers: base: Implement weak arch_unregister_cpu() James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 14:39 ` Jonathan Cameron
2023-09-14 14:39 ` Jonathan Cameron
2023-09-14 14:39 ` Jonathan Cameron
2023-09-19 0:59 ` Gavin Shan
2023-09-19 0:59 ` Gavin Shan
2023-09-19 0:59 ` Gavin Shan
2023-10-23 8:44 ` Russell King (Oracle)
2023-10-23 8:44 ` Russell King (Oracle)
2023-10-23 8:44 ` Russell King (Oracle)
2023-10-23 8:55 ` Russell King (Oracle)
2023-10-23 8:55 ` Russell King (Oracle)
2023-10-23 8:55 ` Russell King (Oracle)
2023-09-13 16:38 ` [RFC PATCH v2 25/35] LoongArch: Use the __weak version of arch_unregister_cpu() James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 14:41 ` Jonathan Cameron
2023-09-14 14:41 ` Jonathan Cameron
2023-09-14 14:41 ` Jonathan Cameron
2023-10-23 8:48 ` Russell King (Oracle)
2023-10-23 8:48 ` Russell King (Oracle)
2023-10-23 8:48 ` Russell King (Oracle)
2023-09-19 1:09 ` Gavin Shan
2023-09-19 1:09 ` Gavin Shan
2023-09-19 1:09 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 26/35] arm64: acpi: Move get_cpu_for_acpi_id() to a header James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 14:43 ` Jonathan Cameron
2023-09-14 14:43 ` Jonathan Cameron
2023-09-14 14:43 ` Jonathan Cameron
2023-09-19 1:16 ` Gavin Shan
2023-09-19 1:16 ` Gavin Shan
2023-09-19 1:16 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 27/35] ACPICA: Add new MADT GICC flags fields [code first?] James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 7:57 ` Ard Biesheuvel
2023-09-14 7:57 ` Ard Biesheuvel
2023-09-14 7:57 ` Ard Biesheuvel
2023-09-14 14:54 ` Jonathan Cameron
2023-09-14 14:54 ` Jonathan Cameron
2023-09-14 14:54 ` Jonathan Cameron
2023-09-14 15:34 ` Ard Biesheuvel
2023-09-14 15:34 ` Ard Biesheuvel
2023-09-14 15:34 ` Ard Biesheuvel
2023-09-14 15:49 ` Russell King (Oracle)
2023-09-14 15:49 ` Russell King (Oracle)
2023-09-14 15:49 ` Russell King (Oracle)
2023-09-15 2:29 ` Salil Mehta
2023-09-15 2:29 ` Salil Mehta
2023-09-15 2:29 ` Salil Mehta
2023-09-15 7:09 ` Russell King (Oracle)
2023-09-15 7:09 ` Russell King (Oracle)
2023-09-15 7:09 ` Russell King (Oracle)
2023-09-15 8:45 ` Rafael J. Wysocki
2023-09-15 8:45 ` Rafael J. Wysocki
2023-09-15 8:45 ` Rafael J. Wysocki
2023-09-15 9:34 ` Salil Mehta
2023-09-15 9:34 ` Salil Mehta
2023-09-15 9:34 ` Salil Mehta
2023-09-15 10:21 ` Rafael J. Wysocki
2023-09-15 10:21 ` Rafael J. Wysocki
2023-09-15 10:21 ` Rafael J. Wysocki
2023-09-15 14:49 ` Salil Mehta
2023-09-15 14:49 ` Salil Mehta
2023-09-15 14:49 ` Salil Mehta
2023-09-15 15:16 ` Russell King (Oracle)
2023-09-15 15:16 ` Russell King (Oracle)
2023-09-15 15:16 ` Russell King (Oracle)
2023-09-15 16:46 ` Salil Mehta
2023-09-15 16:46 ` Salil Mehta
2023-09-15 16:46 ` Salil Mehta
2023-09-15 13:43 ` Russell King (Oracle)
2023-09-15 13:43 ` Russell King (Oracle)
2023-09-15 13:43 ` Russell King (Oracle)
2023-09-15 15:17 ` Salil Mehta
2023-09-15 15:17 ` Salil Mehta
2023-09-15 15:17 ` Salil Mehta
2023-09-15 15:32 ` Jonathan Cameron
2023-09-15 15:32 ` Jonathan Cameron
2023-09-15 15:32 ` Jonathan Cameron
2023-09-15 17:12 ` Salil Mehta
2023-09-15 17:12 ` Salil Mehta
2023-09-15 17:12 ` Salil Mehta
2023-09-15 15:41 ` Russell King (Oracle)
2023-09-15 15:41 ` Russell King (Oracle)
2023-09-15 15:41 ` Russell King (Oracle)
2023-09-15 17:07 ` Salil Mehta
2023-09-15 17:07 ` Salil Mehta
2023-09-15 17:07 ` Salil Mehta
2023-09-15 9:21 ` Salil Mehta
2023-09-15 9:21 ` Salil Mehta
2023-09-15 9:21 ` Salil Mehta
2023-09-14 14:48 ` Jonathan Cameron
2023-09-14 14:48 ` Jonathan Cameron
2023-09-14 14:48 ` Jonathan Cameron
2023-09-13 16:38 ` [RFC PATCH v2 28/35] arm64, irqchip/gic-v3, ACPI: Move MADT GICC enabled check into a helper James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 8:09 ` Russell King (Oracle)
2023-09-14 8:09 ` Russell King (Oracle)
2023-09-14 8:09 ` Russell King (Oracle)
2023-09-14 14:58 ` Jonathan Cameron
2023-09-14 14:58 ` Jonathan Cameron
2023-09-14 14:58 ` Jonathan Cameron
2023-09-19 1:23 ` Gavin Shan
2023-09-19 1:23 ` Gavin Shan
2023-09-19 1:23 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 29/35] irqchip/gic-v3: Don't return errors from gic_acpi_match_gicc() James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 15:02 ` Jonathan Cameron
2023-09-14 15:02 ` Jonathan Cameron
2023-09-14 15:02 ` Jonathan Cameron
2023-10-23 18:58 ` Russell King (Oracle)
2023-10-23 18:58 ` Russell King (Oracle)
2023-10-23 18:58 ` Russell King (Oracle)
2023-09-19 3:39 ` Gavin Shan
2023-09-19 3:39 ` Gavin Shan
2023-09-19 3:39 ` Gavin Shan
2023-09-19 3:51 ` Gavin Shan
2023-09-19 3:51 ` Gavin Shan
2023-09-19 3:51 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 30/35] irqchip/gic-v3: Add support for ACPI's disabled but 'online capable' CPUs James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 8:10 ` Russell King (Oracle)
2023-09-14 8:10 ` Russell King (Oracle)
2023-09-14 8:10 ` Russell King (Oracle)
2023-09-19 3:53 ` Gavin Shan
2023-09-19 3:53 ` Gavin Shan
2023-09-19 3:53 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 31/35] arm64: psci: Ignore DENIED CPUs James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 16:01 ` Jonathan Cameron
2023-09-14 16:01 ` Jonathan Cameron
2023-09-14 16:01 ` Jonathan Cameron
2023-09-19 4:31 ` Gavin Shan
2023-09-19 4:31 ` Gavin Shan
2023-09-19 4:31 ` Gavin Shan
2023-09-13 16:38 ` [RFC PATCH v2 32/35] ACPI: add support to register CPUs based on the _STA enabled bit James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 16:13 ` Jonathan Cameron
2023-09-14 16:13 ` Jonathan Cameron
2023-09-14 16:13 ` Jonathan Cameron
2023-09-19 10:24 ` Russell King (Oracle)
2023-09-19 10:24 ` Russell King (Oracle)
2023-09-19 10:24 ` Russell King (Oracle)
2023-09-19 4:46 ` Gavin Shan
2023-09-19 4:46 ` Gavin Shan
2023-09-19 4:46 ` Gavin Shan
2023-09-19 9:55 ` Russell King (Oracle)
2023-09-19 9:55 ` Russell King (Oracle)
2023-09-19 9:55 ` Russell King (Oracle)
2023-09-13 16:38 ` [RFC PATCH v2 33/35] arm64: document virtual CPU hotplug's expectations James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 16:41 ` Jonathan Cameron
2023-09-14 16:41 ` Jonathan Cameron
2023-09-14 16:41 ` Jonathan Cameron
2023-09-13 16:38 ` [RFC PATCH v2 34/35] ACPI: Add _OSC bits to advertise OS support for toggling CPU present/enabled James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 16:50 ` Jonathan Cameron
2023-09-14 16:50 ` Jonathan Cameron
2023-09-14 16:50 ` Jonathan Cameron
2023-09-13 16:38 ` [RFC PATCH v2 35/35] cpumask: Add enabled cpumask for present CPUs that can be brought online James Morse
2023-09-13 16:38 ` James Morse
2023-09-13 16:38 ` James Morse
2023-09-14 16:54 ` Jonathan Cameron
2023-09-14 16:54 ` Jonathan Cameron
2023-09-14 16:54 ` Jonathan Cameron
2023-09-18 10:27 ` [RFC PATCH v2 00/35] ACPI/arm64: add support for virtual cpuhotplug Russell King (Oracle)
2023-09-18 10:27 ` Russell King (Oracle)
2023-09-18 10:27 ` Russell King (Oracle)
2023-09-26 13:16 ` Salil Mehta
2023-09-26 13:16 ` Salil Mehta
2023-09-26 13:16 ` Salil Mehta
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