Re: [patch 2.6.17-rc3] i386: fix broken FP exception handling

[Mikael Pettersson]

On Sat, 29 Apr 2006 14:07:49 -0400, Chuck Ebbert wrote:
>The FXSAVE information leak patch introduced a bug in FP exception
>handling: it clears FP exceptions only when there are already
>none outstanding.  Mikael Pettersson reported that causes problems
>with the Erlang runtime and has tested this fix.
>
>Signed-off-by: Chuck Ebbert <76306.1226@xxxxxxxxxxxxxx>
>Acked-by: Mikael Pettersson <mikpe@xxxxxxxx>

To clarify: the problem the bug caused was not that it broke
Erlang, but that running Erlang (which enables and uses FP
exceptions) caused the kernel to oops badly and hang.

/Mikael
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