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:	Mon, 10 Mar 2014 20:16:25 +0100
From:	Geert Uytterhoeven <>
To:	Arnd Bergmann <>
Cc:	Liviu Dudau <>,
	"" <>,
	linaro-kernel <>,
	Catalin Marinas <>,
	linux-pci <>,
	Will Deacon <>,
	LKML <>,
	Tanmay Inamdar <>,
	Benjamin Herrenschmidt <>,
	Bjorn Helgaas <>
Subject: Re: [PATCH v6 6/6] pci: Add support for creating a generic
 host_bridge from device tree

On Mon, Mar 10, 2014 at 7:59 PM, Arnd Bergmann <> wrote:
>> arch/avr32/include/asm/io.h:#define IO_SPACE_LIMIT    0xffffffff
>> arch/frv/include/asm/io.h:#define IO_SPACE_LIMIT      0xffffffff
> They have no MMU, and the code relies on the port number to match
> both the virtual and the physical address. You could be right about
> these, but I would guess that the code also needs some other
> changes if we want to make it work on nommu kernels. It also depends
> on whether the I/O bus address is the same as the CPU address, or
> if it starts at bus address 0.

>> arch/m68k/include/asm/io_no.h:#define IO_SPACE_LIMIT 0xffffffff
> This looks like a mistake, it should be smaller

io_no.h is for nommu.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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