Re: [Xen-devel] [PATCH 1/3] arm/arm64/xen: use C inlines for privcmd_call

[Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>]

> > That may be, but be very careful that you only use them in ARMv7-only
> > code.  Using them elsewhere is unsafe as the domain register is used
> > for other purposes, and merely blatting over it (as your
> > uaccess_enable and uaccess_disable functions do) is unsafe.
>
> In fact, I'll turn that into a bit more than a suggestion.  I'll make
> it a NAK on adding them to 32-bit ARM.
>

That's fine, and I also did not want to change ARM 32-bit. But, do you
have a suggestion how differentiate between arm64 and arm in
include/xen/arm/hypercall.h without ugly ifdefs?

Thank you,
Pasha

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