Re: [Qemu-devel] BUG: QEMU aborts when setting breakpoint in gdb (bisected)

[Paolo Bonzini]

Il 06/11/2013 19:39, Michael S. Tsirkin ha scritto:
> Because this will affect performance in unpredicatable way.

It's not really unpredictable.  It can be easily unit-tested, and anyway
the targets with 64-bit address spaces don't have any particular
performance problem.

> We can't make such changes in 1.7 IMHO:
> it would need much more than just a quick "works for me".

I can say the same about phys_page_find.  It's been obviously broken for
years and nobody ever cared, it cannot be super-urgent now to fix it.

Paolo

>> >  I don't feel confident
>> > changing phys_page_find, even if it's just 2 lines.
>> > 
>> > Paolo
> Well it's *obviously* broken if address is outside target address
> space.
> Take a look at the patch first, then argue.