Re: [PATCH] Use get_user for 64-bit read in sendfile64

[Jamie Lokier]

Jamie Lokier wrote:
> Use get_user instead of copy_from_user to read a loff_t.
> Compiled output is identical on i386.

Fwiw, all architectures have 64-bit get_user except i386 (prior to
earlier patch), SH and PPC32.

PPC is weird: it has a get_user64 macro which allows 64 bits.
ARM is also weird: it has 64-bit get_user, but not __get_user.

-- Jamie
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