Re: [PATCH] i386: For debugging, make the initial page table setup less forgiving.

Zachary Amsden wrote:
> H. Peter Anvin wrote:
>> +    /*
>> +     * End condition: we must map up to and including
>> +     * INIT_MAP_BEYOND_END bytes beyond the end of our
>> +     * own page tables; 0x1000 is the size of the page
>> +     * table were about to write, and +0x007 is the
>> +     * attribute bits.
>> +     */
>> +    leal (INIT_MAP_BEYOND_END+0x1000+0x007)(%edi),%ebp
>>   
>
> hrmm?  Shouldn't that still be INIT_MAP_BEYOND_END+0x0007?  Seems you
> are mapping 4M more than you need. 

No, that's an actual byte address of the end of the mapped area, not a pfn.

    J
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References:
- [PATCH] i386: For debugging, make the initial page table setup less forgiving.
  - From: "H. Peter Anvin" <[email protected]>
- Re: [PATCH] i386: For debugging, make the initial page table setup less forgiving.
  - From: Zachary Amsden <[email protected]>

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