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Message-ID: <2ff216280601030954o3d2af726y6f564e7ae6d38a@mail.gmail.com>
Date: Tue, 3 Jan 2006 23:24:47 +0530
From: Abhijit Bhopatkar <bainonline@gmail.com>
To: Andrew Morton <akpm@osdl.org>
Subject: Re: [patch 0/9] mutex subsystem, -V4
Cc: Nicolas Pitre <nico@cam.org>, hch@infradead.org, alan@lxorguk.ukuu.org.uk,
       arjan@infradead.org, mingo@elte.hu, linux-kernel@vger.kernel.org,
       torvalds@osdl.org, arjanv@infradead.org, jes@trained-monkey.org,
       zwane@arm.linux.org.uk, oleg@tv-sign.ru, dhowells@redhat.com,
       bcrl@kvack.org, rostedt@goodmis.org, ak@suse.de,
       rmk+lkml@arm.linux.org.uk
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> > How can't you get the fact that semaphores could _never_ be as simple as
> > mutexes?  This is a theoritical impossibility, which maybe turns out not
> > to be so true on x86, but which is damn true on ARM where the fast path
> > (the common case of a mutex) is significantly more efficient.
> >
>
> I did notice your comments.  I'll grant that mutexes will save some tens  of
> fastpath cycles on one minor architecture.  Sorry, but that doesn't seem
> very important.

Heh !! i can't find words so i will just spell the emotion....
COMPLAIN HARD
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