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SubjectRe: Regression on VIA C3 motherboard, commit: 66f2173e2
Len Brown wrote:
> Thanks for the bisect, Ben.
>
> Please test the patch below.

With this patch, performance is fine, and I do not see
my smp hack being exercised. I still have ACPI off
in the BIOS, and on in the kernel (ie, no change
from the original test case).

So, this very well could be the fix.

Thanks,
Ben

> diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
> index 775c97a..a885295 100644
> --- a/drivers/acpi/tables.c
> +++ b/drivers/acpi/tables.c
> @@ -293,7 +293,12 @@ static void __init check_multiple_madt(void)
>
> int __init acpi_table_init(void)
> {
> - acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
> + acpi_status status;
> +
> + status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
> + if (ACPI_FAILURE(status))
> + return 1;
> +
> check_multiple_madt();
> return 0;
> }


--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com



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