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SubjectRe: [PATCH v2 7/7] ACPI / processor: Introduce invalid_phys_cpuid()


On 05/05/15 03:46, Hanjun Guo wrote:
> Introduce invalid_phys_cpuid() to identify cpu with invalid
> physical ID, then used it as replacement of the direct comparisons
> with PHYS_CPUID_INVALID.
>
> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
> ---
> drivers/acpi/acpi_processor.c | 4 ++--
> drivers/acpi/processor_core.c | 4 ++--
> include/linux/acpi.h | 5 +++++
> 3 files changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
> index 62c846b..92a5f73 100644
> --- a/drivers/acpi/acpi_processor.c

[...]

> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index 913b49f..cc82ff3 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -163,6 +163,11 @@ static inline bool invalid_logical_cpuid(u32 cpuid)
> return (int)cpuid < 0;
> }
>
> +static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
> +{
> + return (int)phys_id < 0;

Should this be phys_id == PHYS_CPUID_INVALID ? else I don't see why we
need to even define PHYS_CPUID_INVALID

Regards,
Sudeep


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