Re: FEATURE REQUEST: Specific Processor Optimizations on x86 Architecture

[William Lee Irwin III <wli@holomorphy.com>]

At some point in the past, davej wrote:
>> You can't use FP code in the kernel.

On Wed, Oct 22, 2003 at 09:35:22PM +0600, Joseph D. Wagner wrote:
> What can't be done today, might be done tommorrow.
> I've long complained -- in this forum and in others -- that there's a lack 
> of vision, or at least a lack of documented and published vision, when it 
> comes to the future of kernel development.  If you're wondering why I don't 
> do it myself, it's because I don't know enough of where the project is 
> headed, and I can't find out because it's not documented.  Catch-22.  
> However, this is entirely a separate discussion.
> I am thinking of future development.  I know this point is kind of moot 
> because 2.6 already adopts the change, but that hasn't stopped about a 
> dozen backports of other features to previous versions of the kernel.

Please read up on how kernels handle saving and restoring user floating
point contexts before spraying out anything more of this kind on the list
(preferably never doing so again regardless).


-- wli