From: hanjun.guo@linaro.org (Hanjun Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 01/17] ACPI / processor: Convert apic_id to phys_id to make it arch agnostic
Date: Wed, 07 Jan 2015 17:49:25 +0800 [thread overview]
Message-ID: <54AD0125.9060601@linaro.org> (raw)
In-Reply-To: <1463717.XWsK98imMv@vostro.rjw.lan>
On 2015?01?07? 09:50, Rafael J. Wysocki wrote:
> On Sunday, January 04, 2015 06:55:02 PM Hanjun Guo wrote:
>> From: Hanjun Guo <hanjun.guo@linaro.com>
>>
>> apic_id in MADT table is the CPU hardware id which identify
>> it self in the system for x86 and ia64, OSPM will use it for
>> SMP init to map APIC ID to logical cpu number in the early
>> boot, when the DSDT/SSDT (ACPI namespace) is scanned later, the
>> ACPI processor driver is probed and the driver will use acpi_id
>> in DSDT to get the apic_id, then map to the logical cpu number
>> which is needed by the processor driver.
>>
>> Before ACPI 5.0, only x86 and ia64 were supported in ACPI spec,
>> so apic_id is used both in arch code and ACPI core which is
>> pretty fine. Since ACPI 5.0, ARM is supported by ACPI and
>> APIC is not available on ARM, this will confuse people when
>> apic_id is both used by x86 and ARM in one function.
>>
>> So convert apic_id to phys_id (which is the original meaning)
>> in ACPI processor dirver to make it arch agnostic, but leave the
>> arch dependent code unchanged, no functional change.
>>
>> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
>
> I've queued up this one and [2/17] for 3.19-rc4 as I promised I'd push these
> two for 3.19.
Great, thanks a lot. I thought you will queued them for 3.20 :)
Regards
Hanjun
next prev parent reply other threads:[~2015-01-07 9:49 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-04 10:55 [PATCH v6 00/17] Introduce ACPI for ARM64 based on ACPI 5.1 Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 01/17] ACPI / processor: Convert apic_id to phys_id to make it arch agnostic Hanjun Guo
2015-01-07 1:50 ` Rafael J. Wysocki
2015-01-07 9:49 ` Hanjun Guo [this message]
2015-01-04 10:55 ` [PATCH v6 02/17] ACPI / processor: Rename acpi_(un)map_lsapic() to acpi_(un)map_cpu() Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 03/17] ARM64 / ACPI: Get RSDP and ACPI boot-time tables Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 04/17] ARM64 / ACPI: Introduce sleep-arm.c Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 05/17] ARM64 / ACPI: Introduce early_param for "acpi" and pass acpi=force to enable ACPI Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 06/17] ARM64 / ACPI: If we chose to boot from acpi then disable FDT Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 07/17] ARM64 / ACPI: Make PCI optional for ACPI on ARM64 Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 08/17] ARM64 / ACPI: Parse FADT table to get PSCI flags for PSCI init Hanjun Guo
2015-01-09 19:04 ` Lorenzo Pieralisi
2015-01-12 4:26 ` Hanjun Guo
2015-01-12 11:41 ` Lorenzo Pieralisi
2015-01-13 6:54 ` Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 09/17] ACPI / table: Print GIC information when MADT is parsed Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 10/17] ARM64 / ACPI: Parse MADT for SMP initialization Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 11/17] ACPI / processor: Make it possible to get CPU hardware ID via GICC Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 12/17] ARM64 / ACPI: Introduce ACPI_IRQ_MODEL_GIC and register device's gsi Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 13/17] ARM64 / ACPI: Add GICv2 specific ACPI boot support Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 14/17] ARM64 / ACPI: Parse GTDT to initialize arch timer Hanjun Guo
2015-01-05 7:55 ` Suthikulpanit, Suravee
2015-01-05 8:59 ` Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 15/17] ARM64 / ACPI: Select ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on ARM64 Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 16/17] ARM64 / ACPI: Enable ARM64 in Kconfig Hanjun Guo
2015-01-04 10:55 ` [PATCH v6 17/17] Documentation: ACPI for ARM64 Hanjun Guo
2015-01-06 9:52 ` 答复: " liyi 00215672
2015-01-06 11:21 ` Hanjun Guo
2015-01-06 20:49 ` Arnd Bergmann
2015-01-19 20:33 ` Christoffer Dall
2015-01-21 12:37 ` Hanjun Guo
2015-01-21 13:03 ` Stefano Stabellini
2015-01-21 16:04 ` Christoffer Dall
2015-01-06 7:05 ` [PATCH v6 00/17] Introduce ACPI for ARM64 based on ACPI 5.1 Yijing Wang
2015-01-06 11:17 ` Hanjun Guo
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