Re: [PATCH] x86-64: fix memset() to support sizes of 4Gb and above

[Ingo Molnar]

* Jan Beulich <JBeulich@xxxxxxxx> wrote:

> > Would be nice to add support for arch/x86/lib/memset_64.S as 
> > well, and look at the before/after performance of it. In 
> > userspace we can do a lot more accurate measurements of this 
> > kind:
> 
> I'll see whether I can get this done, but I admit that I'm 
> entirely unfamiliar with this tool and its infrastructure. 
> [...]

Just check what it does for memcpy and duplicate it.

> [...] I hope doing this is not going to be a requirement for 
> acceptance of the patch.

No, but it would certainly help us make sure there's no 
performance side effect.

Thanks,

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/