From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Baoquan He <bhe@redhat.com>
Cc: linux-acpi@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-kernel@vger.kernel.org, dyoung@redhat.com
Subject: Re: [Patch v3 1/2] introduce variable acpi_lapic into ia64
Date: Mon, 19 May 2014 22:57:19 +0000 [thread overview]
Message-ID: <18692765.A1lGfe6rx4@vostro.rjw.lan> (raw)
In-Reply-To: <1399265306-8553-1-git-send-email-bhe@redhat.com>
On Monday, May 05, 2014 12:48:25 PM Baoquan He wrote:
> This variable was defined and assigned in x86, is used to indicate
> whether LAPIC exists in MADT. Now introduce it into ia64 to help
> make correct judgment when get information for acpi processor later.
>
> Signed-off-by: Baoquan He <bhe@redhat.com>
This and [2/2] queued up for 3.16, thanks!
> ---
> arch/ia64/include/asm/acpi.h | 1 +
> arch/ia64/kernel/acpi.c | 3 +++
> 2 files changed, 4 insertions(+)
>
> diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
> index d651102..b478219 100644
> --- a/arch/ia64/include/asm/acpi.h
> +++ b/arch/ia64/include/asm/acpi.h
> @@ -85,6 +85,7 @@ ia64_acpi_release_global_lock (unsigned int *lock)
> ((Acq) = ia64_acpi_release_global_lock(&facs->global_lock))
>
> #ifdef CONFIG_ACPI
> +extern int acpi_lapic;
> #define acpi_disabled 0 /* ACPI always enabled on IA64 */
> #define acpi_noirq 0 /* ACPI always enabled on IA64 */
> #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
> diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
> index 0d407b3..615ef81 100644
> --- a/arch/ia64/kernel/acpi.c
> +++ b/arch/ia64/kernel/acpi.c
> @@ -56,6 +56,7 @@
>
> #define PREFIX "ACPI: "
>
> +int acpi_lapic;
> unsigned int acpi_cpei_override;
> unsigned int acpi_cpei_phys_cpuid;
>
> @@ -676,6 +677,8 @@ int __init early_acpi_boot_init(void)
> if (ret < 1)
> printk(KERN_ERR PREFIX
> "Error parsing MADT - no LAPIC entries\n");
> + else
> + acpi_lapic = 1;
>
> #ifdef CONFIG_SMP
> if (available_cpus = 0) {
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
next prev parent reply other threads:[~2014-05-19 22:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-05 4:48 [Patch v3 1/2] introduce variable acpi_lapic into ia64 Baoquan He
2014-05-05 4:48 ` [Patch v3 2/2] lapic need be checked if available when initialize acpi processor id Baoquan He
2014-05-05 5:14 ` [Patch v3 1/2] introduce variable acpi_lapic into ia64 Baoquan He
2014-05-05 6:57 ` Baoquan He
2014-05-19 22:57 ` Rafael J. Wysocki [this message]
2014-05-24 9:42 ` Baoquan He
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