Re: [RFC][PATCH 0/5] Signal scalability series

From: Linus Torvalds
Date: Mon Oct 03 2011 - 11:29:16 EST


On Sat, Oct 1, 2011 at 2:35 AM, Matt Fleming <matt@xxxxxxxxxxxxxxxxx> wrote:
>
> You and me both. Unfortunately, the ia64 guys had a different opinion,
> http://www.spinics.net/lists/linux-ia64/msg08363.html

Well, considering that it apparently slows down the single-threaded
case by 50% on an architecture that actually *matters*, I think the
whole discussion is somewhat academic, don't you?

"Scalability" is pretty much never a valid excuse for "slows down the
common case".

Linus
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