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]
Date:	Thu, 12 Jun 2008 15:39:17 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Paul Jackson <pj@....com>
CC:	yhlu.kernel@...il.com, andi@...stfloor.org, mingo@...e.hu,
	bwalle@...e.de, hannes@...urebad.de, ying.huang@...el.com,
	linux-kernel@...r.kernel.org, steiner@....com
Subject: Re: Confusions with reserve_early, reserve_bootmem, e820, efi, ...
 on x86_64

Paul Jackson wrote:
> 
> Reserving EBDA with EFI is fine by what little I know.
> 
> But the current code doesn't like it -- if the EFI memmap range is inside
> the EBDA range, then the reserve_early() routine panics with:
> 
>     "Overlapping early reservations"
> 
> Something needs tweaking here somehow ... and I'm not the one to know what.
> 

Right of course... in this particular case, one of the reservations is 
conservative "just in case" and the other is normative, but the code 
doesn't deal with that since it's potentially flagging a bug.

	-hpa
--
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/

Powered by blists - more mailing lists