On Feb 20, 2007, at 16:11, Steve Langasek wrote:
Maybe everyone except me knew to have math-emu loaded? I was
kind of surprised it was not built-in. Is this intended?
Hmm, I would guess it was modularized with the idea that it was
unnecessary
bloat in the kernel for newer CPUs that don't need it?
I tend to disagree with this, because the cost on systems that
don't need it
is very small, whereas the RAM penalty of modularization on systems
that
/do/ need math-emu is comparatively high. Unfortunately, this config
setting has been unchanged since at least July 2005 when the Debian
kernel
configs were first centralized, and changing the setting will
change the
kernel ABI, so this realization probably comes too late to fix for
etch r0.
Whose idea was it that the result of these instructions without math-
emu loaded should be to silently give the wrong result? Seems to me
generating a fault (and maybe logging a message) would be far
better... is that something that can be changed, at least?
Ken
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