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  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, 22 May 2014 08:26:01 +0100
From:	Matt Fleming <>
To:	Daniel Kiper <>
Cc:	David Vrabel <>,,,,,,,,,,,,,,,,
Subject: Re: [PATCH v4 1/5] efi: Introduce EFI_DIRECT flag

On Mon, 19 May, at 11:02:55PM, Daniel Kiper wrote:
> It is correct. As I said earlier: in case of !efi_enabled(EFI_DIRECT) some
> structures are created artificially and they live in virtual address space.
> So that is why they should not be mapped.
So, exploring Jan's idea, is it not possible to store the physical
address and have early_ioremap() just work? Even if they're mapping in
virtual address space they must have a corresponding physical address.

We really need to be keeping these kinds of special code paths to a
minimum. Unless absolutely necessary there should be just one way to do

> I was going to have EFI_DIRECT close to EFI_BOOT which is quite generic
> and platform independent name like EFI_BOOT. However, I do not insist
> on having it in that place.

Right, please don't shuffle these bits.

Matt Fleming, Intel Open Source Technology Center
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists