From: Gavin Shan <gshan@redhat.com>
To: Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
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, kvmarm@lists.linux.dev,
x86@kernel.org, Russell King <linux@armlinux.org.uk>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Miguel Luis <miguel.luis@oracle.com>,
James Morse <james.morse@arm.com>,
Salil Mehta <salil.mehta@huawei.com>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
Hanjun Guo <guohanjun@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
linuxarm@huawei.com, justin.he@arm.com, jianyong.wu@arm.com
Subject: Re: [PATCH v9 18/19] arm64: document virtual CPU hotplug's expectations
Date: Wed, 1 May 2024 21:32:06 +1000 [thread overview]
Message-ID: <0f635267-d296-467a-a337-34192c35164b@redhat.com> (raw)
In-Reply-To: <20240430142434.10471-19-Jonathan.Cameron@huawei.com>
On 5/1/24 00:24, Jonathan Cameron wrote:
> From: James Morse <james.morse@arm.com>
>
> Add a description of physical and virtual CPU hotplug, explain the
> differences and elaborate on what is required in ACPI for a working
> virtual hotplug system.
>
> Signed-off-by: James Morse <james.morse@arm.com>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
> Tested-by: Miguel Luis <miguel.luis@oracle.com>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
>
> ---
> v9: No change
> ---
> Documentation/arch/arm64/cpu-hotplug.rst | 79 ++++++++++++++++++++++++
> Documentation/arch/arm64/index.rst | 1 +
> 2 files changed, 80 insertions(+)
>
Reviewed-by: Gavin Shan <gshan@redhat.com>
next prev parent reply other threads:[~2024-05-01 11:32 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-30 14:24 [PATCH v9 00/19] ACPI/arm64: add support for virtual cpu hotplug Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 01/19] ACPI: processor: Simplify initial onlining to use same path for cold and hotplug Jonathan Cameron
2024-05-02 12:10 ` Miguel Luis
2024-04-30 14:24 ` [PATCH v9 02/19] cpu: Do not warn on arch_register_cpu() returning -EPROBE_DEFER Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 03/19] ACPI: processor: Drop duplicated check on _STA (enabled + present) Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 04/19] ACPI: processor: Return an error if acpi_processor_get_info() fails in processor_add() Jonathan Cameron
2024-05-01 10:18 ` Gavin Shan
2024-05-07 18:55 ` Rafael J. Wysocki
2024-04-30 14:24 ` [PATCH v9 05/19] ACPI: processor: Fix memory leaks in error paths of processor_add() Jonathan Cameron
2024-05-01 10:19 ` Gavin Shan
2024-05-07 18:57 ` Rafael J. Wysocki
2024-04-30 14:24 ` [PATCH v9 06/19] ACPI: processor: Move checks and availability of acpi_processor earlier Jonathan Cameron
2024-05-01 10:33 ` Gavin Shan
2024-05-07 19:04 ` Rafael J. Wysocki
2024-05-08 8:44 ` Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 07/19] ACPI: processor: Add acpi_get_processor_handle() helper Jonathan Cameron
2024-05-07 19:05 ` Rafael J. Wysocki
2024-04-30 14:24 ` [PATCH v9 08/19] ACPI: processor: Register deferred CPUs from acpi_processor_get_info() Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 09/19] ACPI: scan: switch to flags for acpi_scan_check_and_detach() Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 10/19] ACPI: Add post_eject to struct acpi_scan_handler for cpu hotplug Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 11/19] arm64: acpi: Move get_cpu_for_acpi_id() to a header Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 12/19] arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry Jonathan Cameron
2024-05-01 11:10 ` Gavin Shan
2024-04-30 14:24 ` [PATCH v9 13/19] irqchip/gic-v3: Don't return errors from gic_acpi_match_gicc() Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 14/19] irqchip/gic-v3: Add support for ACPI's disabled but 'online capable' CPUs Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 15/19] arm64: psci: Ignore DENIED CPUs Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 16/19] arm64: arch_register_cpu() variant to check if an ACPI handle is now available Jonathan Cameron
2024-04-30 14:24 ` [PATCH v9 17/19] arm64: Kconfig: Enable hotplug CPU on arm64 if ACPI_PROCESSOR is enabled Jonathan Cameron
2024-05-01 11:13 ` Gavin Shan
2024-04-30 14:24 ` [PATCH v9 18/19] arm64: document virtual CPU hotplug's expectations Jonathan Cameron
2024-05-01 11:32 ` Gavin Shan [this message]
2024-04-30 14:24 ` [PATCH v9 19/19] cpumask: Add enabled cpumask for present CPUs that can be brought online Jonathan Cameron
2024-05-01 11:14 ` Gavin Shan
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