Re: [Qemu-devel] [PATCH v2] target-i386: move generic memory hotplug methods to DSDTs

[Paolo Bonzini]

Il 15/10/2014 15:19, Igor Mammedov ha scritto:
> however I'm not sure that SSDT byte-for-byte compatible will make
> things better.
> Since SSDT includes snippets of AML compiled by IASL, hex-templates
> could be different depending on IASL version.

SSDT is simple enough that there shouldn't be differences.  If this were
a problem, we could unconditionally use .hex.generated files or move the
generation entirely to C, similar to what we do for bridges and what
SeaBIOS used to do.

Paolo

> Ultimately
> that would make us to keep versioned by machine type binary templates
> so that we could guaranty byte-to-byte identity.
> 
> Perhaps we should reconsider and think one more time about
> http://lists.gnu.org/archive/html/qemu-stable/2014-07/msg00205.html
> 
> which solves migration size issue and doesn't tie us to maintanance
> nightmare with versioned tables. I'd preffer to keep tables
> un-versioned as long as possible.