linux-kernel - Re: [PATCHv5 2/3] OMAP: export OMAP info under /proc/socinfo

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]

Message-ID: <4BEAA0C6.3020100@ti.com>
Date:	Wed, 12 May 2010 07:36:22 -0500
From:	Nishanth Menon <nm@...com>
To:	"eduardo.valentin@...ia.com" <eduardo.valentin@...ia.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux-OMAP <linux-omap@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	ext Tony Lindgren <tony@...mide.com>,
	ext Kevin Hilman <khilman@...prootsystems.com>,
	"De-Schrijver Peter (Nokia-D/Helsinki)" 
	<Peter.De-Schrijver@...ia.com>,
	"Shilimkar, Santosh" <santosh.shilimkar@...com>,
	"K, Ambresh" <ambresh@...com>,
	"Balbi Felipe (Nokia-D/Helsinki)" <felipe.balbi@...ia.com>,
	"Hogander Jouni (Nokia-D/Tampere)" <jouni.hogander@...ia.com>,
	Paul Mundt <lethal@...ux-sh.org>
Subject: Re: [PATCHv5 2/3] OMAP: export OMAP info under /proc/socinfo

Eduardo Valentin had written, on 05/12/2010 07:34 AM, the following:
> Hello,
> 
> On Tue, May 11, 2010 at 06:58:46PM +0200, Valentin Eduardo (Nokia-D/Helsinki) wrote:
>> Hello Nishanth,
>>
>> On Tue, May 11, 2010 at 04:28:15PM +0200, ext Nishanth Menon wrote:
>>> Eduardo Valentin had written, on 05/11/2010 09:15 AM, the following:
>>>> From: Eduardo Valentin <eduardo.valentin@...ia.com>
>>>>
>>>> Export OMAP name and rev under /proc/socinfo node.
>>>>
>>>> Signed-off-by: Eduardo Valentin <eduardo.valentin@...ia.com>
>>>> ---
>>>>  arch/arm/Kconfig         |    1 +
>>>>  arch/arm/mach-omap1/id.c |   31 ++++++++++++++++++++++++-------
>>>>  arch/arm/mach-omap2/id.c |   32 ++++++++++++++++++++++++++------
>>>>  3 files changed, 51 insertions(+), 13 deletions(-)
>>>>
>>> [..]
>>>
>>>> diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
>>>> index 37b8a1a..b67486b 100644
>>>> --- a/arch/arm/mach-omap2/id.c
>>>> +++ b/arch/arm/mach-omap2/id.c
>>> [..]
>>>
>>>> @@ -356,7 +363,8 @@ void __init omap3_cpuinfo(void)
>>>>  	}
>>>>  
>>>>  	/* Print verbose information */
>>>> -	pr_info("%s ES%s (", cpu_name, cpu_rev);
>>>> +	snprintf(socinfo, SOCINFO_SZ, "%s ES%s", cpu_name, cpu_rev);
>>>> +	pr_info("%s (", socinfo);
>>>>  
>>>>  	OMAP3_SHOW_FEATURE(l2cache);
>>>>  	OMAP3_SHOW_FEATURE(iva);
>>> Just a minor comment -> is it a good idea to pushin the features to SOC 
>>> info as well? currently this is being displayed at bootlog and not 
>>> beyond.. might be a better approach to move it into socinfo..
>> Yeah. I would expect that someone would ask this. When I was writing this part
>> I also thought that would be nice to just duplicate all info which is printed
>> into kernel log buffer. But then I decided to proceed with only the info we are
>> needing from userspace. If you think that would be useful to know those as well,
>> then why not adding them.
> 
> As discussed in #linux-omap IRC channel, we agreed that it would be nice and useful
> to export the OMAP FEATURES under this interface. But as the code to detect omap features is
> under re-work currently, for now we are going to leave it out of this patch set.
> 
Agreed. other than this, I dont see an issue :) thanks for the work..

Acked-by: Nishanth Menon <nm@...com>

>>>
>>> [..]
>>>
>>> -- 
>>> Regards,
>>> Nishanth Menon
>> --
>> 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/


-- 
Regards,
Nishanth Menon
--
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/