From: "Martin Schwidefsky" <schwidefsky@de.ibm.com>
To: "David S. Miller" <davem@redhat.com>
Cc: akpm@osdl.org, linux-arch@vger.kernel.org, linux-mm@kvack.org,
willy@debian.org
Subject: Re: TLB flush optimization on s/390.
Date: Fri, 10 Oct 2003 10:37:26 +0200 [thread overview]
Message-ID: <OF6AFB1404.2D92608A-ONC1256DBB.002F0E43-C1256DBB.002F5F7D@de.ibm.com> (raw)
> On at least x86 and sparc it makes it so that GCC cannot allocate
> enough registers and it has to reload several values to the
> stack.
And the function call overhead is smaller then the register spilling
on the stack ?!? I'm a bit surprised by this but I take you word
for it.
blue skies,
Martin
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next reply other threads:[~2003-10-10 8:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-10 8:37 Martin Schwidefsky [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-10-10 8:20 Martin Schwidefsky
2003-10-10 8:50 ` David S. Miller
2003-10-10 9:01 ` Andi Kleen
2003-10-09 12:38 Martin Schwidefsky
2003-10-10 7:00 ` David S. Miller
2003-10-06 18:04 Martin Schwidefsky
2003-10-06 18:44 ` Matthew Wilcox
2003-10-07 8:29 ` David S. Miller
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