Am 26.06.2010 um 19:03 schrieb Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx
>:
There is also a form of mtmsr where all bits need to be addressed.
While the
PPC64 Linux kernel behaves resonably well here, the PPC32 one never
uses the
L=1 form but does mtmsr even for simple things like only changing EE.
You make it sound like the 32-bit kernel does something stupid, while
there is no other choice. The "L=1" thing only exists for 64-bit.
Oh, so that's why :). That doesn't really change the fact that it's
very hard to distinguish between a mtmsr that only changes MSR_EE vs
one that changes MSR_IR for example :).
Alex
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