Control: clone -1 -2
Control: retitle -1 manpages-dev: ioperm(2): ports above 0x3ff
Control: retitle -2 manpages-dev: iopl(2): ports above 0x3ff 

On Sat, Apr 17, 2010 at 06:59:53PM +0200, Roland Koebler wrote:
> Package: manpages-dev
> Version: 3.05-1
> Severity: normal
> 
> 
> Since (probably) kernel 2.6, sys_ioperm also supports ports above 0x3ff,
> so that ioperm can be used for all ports from 0x0000 to 0xffff.
> 
> But unfortunately, this change is not mentioned in the manpages, and
> they still say:
> 
> - ioperm(2):
>   "Only the first 0x3ff I/O ports can be specified in  this  manner.
>   more ports, the iopl(2) system call must be used."

This one has been fixed upstream.
5b9f466d43e71f0 ioperm.2: Linux 2.6.8 lifted the port limit to 65,536
 
> - iopl(2):
>   "This call is necessary to allow 8514-compatible X servers to run under
>    Linux.   Since  these  X servers require access to all 65536 I/O ports,
>    the ioperm(2) call is not sufficient."
> 
> Both is wrong with kernel 2.6.

This one needs a fix, like:
"Since these  X servers require access to all 65536 I/O ports, the ioperm(2)
call was not sufficient before Linux 2.6.8."

-- 
Simon Paillard


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