On Fri, 2 Feb 2007, Justin Fletcher wrote:
On Fri, 2 Feb 2007, Scott Oom wrote:
Hello,
Found a problem when using small pages and getting permission faults.
This patch corrects the decoding of access permissions for small pages
on ARM, was just off by 2 bits.
I may be confused on this, but it still doesn't seem right to me.
You have...
- ap = (desc >> (4 + ((address >> 13) & 6))) & 3;
+ ap = (desc >> (4 + ((address >> 11) & 6))) & 3; /* SRO */
'sokay... I twigged whilst I was away from the machine that that 11 and
the 6 is to ensure that the address is shifted up by 1 bit so that the
desc shift is in the right place. Just me being confused, ignore me.
--
Gerph <http://gerph.org/>
... Caught up in circles, confusion is nothing new.
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