From: David Daney <ddaney.cavm@gmail.com>
To: Yong Zhang <yong.zhang0@gmail.com>
Cc: linux-mips@linux-mips.org, Yong Zhang <yong.zhang@windriver.com>,
David Daney <ddaney@caviumnetworks.com>,
Ralf Baechle <ralf@linux-mips.org>
Subject: Re: [PATCH] MIPS: cavium: Don't enable irq in ->init__secondary()
Date: Mon, 16 Apr 2012 09:48:14 -0700 [thread overview]
Message-ID: <4F8C4D4E.4060900@gmail.com> (raw)
In-Reply-To: <1334561133-19139-1-git-send-email-yong.zhang0@gmail.com>
On 04/16/2012 12:25 AM, Yong Zhang wrote:
> From: Yong Zhang<yong.zhang@windriver.com>
>
> Too early to enable irq will break some following action,
> such as notify_cpu_starting().
Can you be more specific about what breaks?
>
> I don't get side effect with this patch.
Without this, where do irqs get enabled on the secondary CPUs?
>
> Signed-off-by: Yong Zhang<yong.zhang0@gmail.com>
> Cc: David Daney<ddaney@caviumnetworks.com>
> Cc: Ralf Baechle<ralf@linux-mips.org>
> ---
> arch/mips/cavium-octeon/smp.c | 1 -
> 1 files changed, 0 insertions(+), 1 deletions(-)
>
> diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
> index 97e7ce9..7e65c88 100644
> --- a/arch/mips/cavium-octeon/smp.c
> +++ b/arch/mips/cavium-octeon/smp.c
> @@ -185,7 +185,6 @@ static void __cpuinit octeon_init_secondary(void)
> octeon_init_cvmcount();
>
> octeon_irq_setup_secondary();
> - raw_local_irq_enable();
> }
>
> /**
next prev parent reply other threads:[~2012-04-16 16:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-16 7:25 [PATCH] MIPS: cavium: Don't enable irq in ->init__secondary() Yong Zhang
2012-04-16 16:48 ` David Daney [this message]
2012-04-17 3:08 ` Yong Zhang
2012-04-17 20:45 ` David Daney
2012-04-18 12:55 ` Yong Zhang
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=4F8C4D4E.4060900@gmail.com \
--to=ddaney.cavm@gmail.com \
--cc=ddaney@caviumnetworks.com \
--cc=linux-mips@linux-mips.org \
--cc=ralf@linux-mips.org \
--cc=yong.zhang0@gmail.com \
--cc=yong.zhang@windriver.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox