From: "Alexander van Heukelum" <heukelum@fastmail.fm>
To: "Jan Beulich" <JBeulich@novell.com>,
"Ingo Molnar" <mingo@elte.hu>,
"Thomas Gleixner" <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: reduce back the alignment of the per-CPU data section
Date: Wed, 09 Feb 2011 09:47:32 +0100 [thread overview]
Message-ID: <1297241252.30625.1419727165@webmail.messagingengine.com> (raw)
In-Reply-To: <4D525CE60200007800030EE5@vpn.id2.novell.com>
Hi Jan,
This is indeed a leftover. Thanks.
This was once done to fix i386-UP, because the irq stacks were part of the percpu area. The stacks are now allocated dynamically.
Acked-by: Alexander van Heukelum <heukelum@fastmail.fm>
Greetings,
Alexander
On Wed, 09 Feb 2011 08:22 +0000, "Jan Beulich" <JBeulich@novell.com> wrote:
> This complements commit 47f19a0814e80e1d4e5c17d61b70fca85ea09162,
> reverting one leftover of fe8e0c25cad28e8858ecfa5863333c70685a6811.
>
> Signed-off-by: Jan Beulich <jbeulich@novell.com>
> Cc: Alexander van Heukelum <heukelum@fastmail.fm>
>
> ---
> arch/x86/kernel/vmlinux.lds.S | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- 2.6.38-rc4/arch/x86/kernel/vmlinux.lds.S
> +++ 2.6.38-rc4-x86-percpu-align/arch/x86/kernel/vmlinux.lds.S
> @@ -305,7 +305,7 @@ SECTIONS
> }
>
> #if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP)
> - PERCPU(THREAD_SIZE)
> + PERCPU(PAGE_SIZE)
> #endif
>
> . = ALIGN(PAGE_SIZE);
>
>
>
next prev parent reply other threads:[~2011-02-09 8:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-09 8:22 [PATCH] x86: reduce back the alignment of the per-CPU data section Jan Beulich
2011-02-09 8:47 ` Alexander van Heukelum [this message]
2011-02-10 14:43 ` [tip:x86/asm] x86: Reduce " tip-bot for Jan Beulich
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1297241252.30625.1419727165@webmail.messagingengine.com \
--to=heukelum@fastmail.fm \
--cc=JBeulich@novell.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.