ABI breakage

Thomas Hellstrom thellstrom at vmware.com
Thu Oct 14 12:00:40 PDT 2010


On 10/14/2010 06:11 PM, Thomas Hellstrom wrote:
> Hi!
>
> Isn't the commit
>
> 5c6a2f93ebc16a78093782b442306de23ae94e78
> xfree86: Kill pixmapPrivate  with a vengeance (v2)
>
> a major ABI breakage (It alters the layout of the ScreenInfoRec
> structure and also there are drivers hacking the pixmatPrivate member to
> workaround the problem of the root pixmap's data pointer being restored
> on enableFBAccess).
>    

Hmm. Judging from bug 30451 this breaks a number of drivers.
I suggest reverting this commit and, when the impact has been properly 
investigated,
and the change is considered worth it, re-post a patch series with 
patches to all affected "in-tree" drivers together with a major ABI bump.

/Thomas



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