Re: [PATCH 2/2] x86, ACPI: Fix the wrong assignment when Handle apic/x2apic entries

Ingo Molnar
2016-08-10T18:53:19Z

* Baoquan He <bhe@redhat.com> wrote:

> It won't impact the result, we still should fix the code bug.
>
> Signed-off-by: Baoquan He <bhe@redhat.com>
> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
> Cc: Len Brown <len.brown@intel.com>
> Cc: Pavel Machek <pavel@ucw.cz>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Cc: x86@kernel.org
> Cc: linux-pm@vger.kernel.org
> ---
> arch/x86/kernel/acpi/boot.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
> index 90d84c3..2b25d3f 100644
> --- a/arch/x86/kernel/acpi/boot.c
> +++ b/arch/x86/kernel/acpi/boot.c
> @@ -1031,8 +1031,8 @@ static int __init acpi_parse_madt_lapic_entries(void)
> return ret;
> }
>
> - x2count = madt_proc[0].count;
> - count = madt_proc[1].count;
> + count = madt_proc[0].count;
> + x2count = madt_proc[1].count;
> }
> if (!count && !x2count) {
> printk(KERN_ERR PREFIX "No LAPIC entries present\n");

Why does this bug have no effect?

Thanks,

Ingo