Re: [PATCH 10/11] acpi: bus: Set _OSC for diverse core support
From: Rafael J. Wysocki
Date: Fri Aug 19 2016 - 20:45:55 EST
On Thursday, August 18, 2016 03:36:51 PM Srinivas Pandruvada wrote:
> Set the OSC_SB_CPC_DIVERSE_HIGH_SUPPORT (bit 12) to enable diverse
> core support.
>
> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> ---
> drivers/acpi/bus.c | 4 +++-
> include/linux/acpi.h | 1 +
> 2 files changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
> index 61643a5..fbd3b7c 100644
> --- a/drivers/acpi/bus.c
> +++ b/drivers/acpi/bus.c
> @@ -336,7 +336,9 @@ static void acpi_bus_osc_support(void)
> capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPCV2_SUPPORT;
> }
> #endif
> -
> +#ifdef CONFIG_SCHED_ITMT
> + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPC_DIVERSE_HIGH_SUPPORT;
> +#endif
if (IS_ENABLED(CONFIG_SCHED_ITMT))
capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPC_DIVERSE_HIGH_SUPPORT;
pretty please.
> if (!ghes_disable)
> capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_APEI_SUPPORT;
> if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)))
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index 4d8452c..17f6e08 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -460,6 +460,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
> #define OSC_SB_CPCV2_SUPPORT 0x00000040
> #define OSC_SB_PCLPI_SUPPORT 0x00000080
> #define OSC_SB_OSLPI_SUPPORT 0x00000100
> +#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
>
> extern bool osc_sb_apei_support_acked;
> extern bool osc_pc_lpi_support_confirmed;
>
Thanks,
Rafael