ts-7000
[Top] [All Lists]

Re: [ts-7000] [2.6.28.3-m] Fix sparsemem bug

To:
Subject: Re: [ts-7000] [2.6.28.3-m] Fix sparsemem bug
From: "Breton M. Saunders" <>
Date: Tue, 10 Feb 2009 23:36:04 +0000
Ok - 2.6.28.4 running here.
Patch looks good.

Its running pybench.py right now.

    -Brett

Breton M. Saunders wrote:
> Good work guys!
>
> Please to see it fixed in < 1 day!
>
> When I did the discontig patch I had > 1000 lines of printascii in the 
> kernel.  I had painful flashbacks reading these exchanges today.
>
> I'll try it out later on provided I get time this evening.
>
>     -Brett
>
> Christian Gagneraud wrote:
>   
>> Hi all,
>>
>> Here is a fix to be able to boot a ts7260 with 64MB of SDRAM using the 
>> kernel 2.6.28.3-m.
>> If people could test it, as i'm not sure this is the definitive answer 
>> to the problem.
>>
>> In short, it was as simple as a clash between C macros and inline 
>> function!  (+ potentially the 0xC0000000 thingie pointed to by Charlie).
>>
>> If you have a look at arch/arm/include/asm/memory.h, you will see this:
>> #ifndef __virt_to_phys
>> #define __virt_to_phys(x)    ((x) - PAGE_OFFSET + PHYS_OFFSET)
>> #define __phys_to_virt(x)    ((x) - PHYS_OFFSET + PAGE_OFFSET)
>> #endif
>>
>> I realized that once __phys_to_virt() modified to try Charlie's 
>> remark, i still get 0xe0000000 translated to 0xa0000000, which was 
>> impossible unless i was not using my modified version.
>>
>> I did not run extensive tests, but at least my kernel boot and shows:
>> Memory: 8MB 8MB 8MB 8MB 8MB 8MB 8MB 8MB = 64MB total
>>
>>
>> Regards,
>> Christian
>>
>>
>> ------------------------------------
>>
>> Yahoo! Groups Links
>>
>>
>>
>>   
>>     
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>



------------------------------------

Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/ts-7000/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/ts-7000/join
    (Yahoo! ID required)

<*> To change settings via email:
     
    

<*> To unsubscribe from this group, send an email to:
    

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/

<Prev in Thread] Current Thread [Next in Thread>
Admin

Disclaimer: Neither Andrew Taylor nor the University of NSW School of Computer and Engineering take any responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the birding-aus mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU