linux-kernel - retreive /proc/acpi/processor?

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Message-ID: <51429998.4070005@zoho.com>
Date:	Fri, 15 Mar 2013 04:46:32 +0100
From:	Kevin Qiu <k_q_11@...o.com>
To:	linux-kernel@...r.kernel.org
Subject: retreive /proc/acpi/processor?

Hi,
     I am a newbie on Linux.
     I am trying to read the CPU information through "acpitool -c". And 
I get a message as: "  Function Show_CPU_Info : could not read directory 
/proc/acpi/processor/ Make sure your kernel has ACPI processor support 
enabled.
"
I went to the kernel configuration, it appears to me it's already 
enabled. And there're two tick box stating "deprecated /proc/acpi files, 
deprecated power /proc/acpi directories". Whether I tick it or not 
doesn't couldn't generate a new /proc/acpi/processor/
     So is there a way to bring this functionality back?
     P.S. I am using linux 3.2.0-23-generic kernel.
Kevin Qiu

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