linux-kernel - RE: [PATCH 1/2] RFC: Prepare PAD for native and xen platform

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 23 Feb 2012 16:58:34 +0000
From:	"Liu, Jinsong" <jinsong.liu@...el.com>
To:	Jan Beulich <jbeulich@...e.com>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>
CC:	"keir.xen@...il.com" <keir.xen@...il.com>,
	"Brown, Len" <len.brown@...el.com>,
	"Li, Shaohua" <shaohua.li@...el.com>,
	"lenb@...nel.org" <lenb@...nel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 1/2] RFC: Prepare PAD for native and xen platform

Jan Beulich wrote:
>>>> "Liu, Jinsong" <jinsong.liu@...el.com> 02/23/12 2:29 PM >>>
>> --- a/drivers/acpi/Kconfig
>> +++ b/drivers/acpi/Kconfig
>> @@ -213,10 +213,11 @@ config ACPI_HOTPLUG_CPU
>>    default y
>  >
>> config ACPI_PROCESSOR_AGGREGATOR
>> -    tristate "Processor Aggregator"
>> +    bool "Processor Aggregator"
> 
> There must be ways to address whatever strange problem you see without
> making this piece of code non-modular.
> 

Yes, another approach is x86_init approach, defining acpi_pad_ops at x86_init.c and overwritten when xen_start_kernel.
This patch is just a RFC patch, to evaluate which approch is more reasonable :-)

>>    depends on ACPI_PROCESSOR
>>    depends on EXPERIMENTAL
>>    depends on X86
>> +    default n
> 
> This is pointless.

Elaborate more? just a little curious why Kconfig has so many default n.

> 
>>    help
>>      ACPI 4.0 defines processor Aggregator, which enables OS to
>>      perform specific processor configuration and control that
>> applies to all 
> 
> Jan

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/