From: Aneesh Kumar K.V
> Sent: 13 July 2016 10:35
>
> This switch few of the page table accessor to use the __raw variant
> and does the cpu to big endian conversion of constants. This helps in
> generating better code.
It might be better to say that checks for a value being 0 don't depend
on the endianness.
In which case you want a function that return !!xxx_raw() itself.
OTOH it might be worth finding out why the cpu's byteswapping memory
accessors aren't used - which might save the byteswap instruction
sequence in all paths.
David
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