SSE register return with SSE disabled on AMD64

Ryan Stone rysto32 at
Sun Sep 20 01:44:10 UTC 2009

You must not use SSE or floating point operations in the kernel.  The
state of the floating point and SSE registers is *not* saved upon
entry to the kernel.  If the kernel executes SSE or floating point
instructions it will corrupt the state of a userland program.

Ryan Stone

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