Re: [Xen-devel] [PATCH v2 0/2] iommu: add rmrr Xen command line option

[Elena Ufimtseva <elena.ufimtseva@xxxxxxxxxx>]

On Tue, Mar 24, 2015 at 04:19:24PM +0000, Jan Beulich wrote:
> >>> On 24.03.15 at 17:08, <elena.ufimtseva@xxxxxxxxxx> wrote:
> > Changes in v2:                                                              
> >  
> >    
> >  - move rmrr parser to dmar.c and make it custom_param;                     
> >   
> >   
> >  - change of rmrr command line oprion format; since adding multiple device
> >  per range support needs to utilize more special characters and offered from
> >  the previous review ';' is not supported, '[' ']' are reserved, ':' and 
> > used in pci
> >  format, range and devices are separated by '#'; Suggestions are welcome;  
> 
> What is it that makes ';' not supported?

Grub interprets the string after ; as an environment variable,
so I get this with version 2.02~beta2-15:

This is when there is ';' before second range 0xd5d45-0xd5d46.

  Booting a command list

  error: invalid variable name `0xd5d45-0xd5d46'.
  Loading Linux 3.1X.X-rcX
  Loading initial ramdisk ...

> 
> Jan
> 

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