Messages in this thread | | > > diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h > > index c5504b9..16a8871 100644 > > --- a/arch/x86/include/asm/uaccess_64.h > > +++ b/arch/x86/include/asm/uaccess_64.h > > @@ -28,6 +28,9 @@ copy_user_generic(void *to, const void *from, unsigned len) > > { > > unsigned ret; > > > > + if (len <= 64) > > + return copy_user_generic_unrolled(to, from, len); > > +
Given this gets inlined surely that should bracketed with an ifdef against optimizing for space.
Also you give one set of benchmarks but how do they look on different processors - AMD v Intel, Atom v Core, Ryzen v older AMD etc ?
Alan
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