Re: [Xen-devel] [for-4.7] xen/arm: Don't call setup_virtual_regions multiple time

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, May 25, 2016 at 09:37:09AM -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, May 25, 2016 at 02:14:06PM +0100, Julien Grall wrote:
> > The commit 2aa925be84293b44ad587ed117184ace61b41dd6 "arm/x86: Use struct
> > virtual_region to do bug, symbol, and (x86) exception tables lookup."
> > has introduced virtual_region. The call to initialize those regions is
> > made in init_traps which is called during each CPU bring up.
> > 
> > This will result to register multiple time the same region and Xen crash
> > when an address is looked up.
> 
> AAh, and that would explain why I didn't see it when I ran it under
> the emulator - I couldn't boot it with more than one CPU (the TIMER bug)!
> 
> > 
> > This can be fixed by moving the call to setup_virtual_region directly in
> > start_xen.
> > 
> > Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
> > Reported-by: Chenxia Zhao <chenxiao.zhao@xxxxxxxxx>
> 
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Pushed. Thanks everyone.

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