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Re: Fixing gnumachs vm_map
From: |
Justus Winter |
Subject: |
Re: Fixing gnumachs vm_map |
Date: |
Sat, 06 Sep 2014 11:50:12 +0200 |
User-agent: |
alot/0.3.5 |
Quoting Samuel Thibault (2014-09-06 11:39:35)
> Justus Winter, le Fri 05 Sep 2014 14:53:52 +0200, a écrit :
> > there is a bug affecting vm_map. Contrary to the documentation,
> > address is not ignored if anywhere is given, leading to spurious
> > KERN_NO_SPACE errors.
>
> Uh, that's bad indeed.
>
> Apparently most of our source code copes with that by explicitly setting
> address to 0, but some places such as pager_memcpy don't.
Yes, that's where it bit me ;)
> I'm tempted to rather fix the behavior according to the documentation,
> and go with something like this:
Sure, your call :)
Justus