From: Borislav Petkov <bp@alien8.de>
To: Ingo Molnar <mingo@kernel.org>
Cc: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org,
sp@numascale.com, bp@amd64.org, tglx@linutronix.de,
borislav.petkov@amd.com, daniel@numascale-asia.com,
Andreas Herrmann <andreas.herrmann3@amd.com>
Subject: Re: [PATCH resend] x86/platform: Remove incorrect error message in x86_default_fixup_cpu_id()
Date: Wed, 4 Apr 2012 14:38:09 +0200 [thread overview]
Message-ID: <20120404123809.GB5193@x1.osrc.amd.com> (raw)
In-Reply-To: <20120402160648.GR27684@alberich.amd.com>
On Mon, Apr 02, 2012 at 06:06:48PM +0200, Andreas Herrmann wrote:
>
> It's only called from amd.c:srat_detect_node(). The introduced
> condition for calling the fixup code is true for all AMD multi-node
> processors, e.g. Magny-Cours and Interlagos. There we have 2 NUMA
> nodes on one socket. Thus there are cores having different
> numa-node-id but with equal phys_proc_id.
>
> There is no point to print error messages in such a situation.
>
> The confusing/misleading error message was introduced with commit
> 64be4c1c2428e148de6081af235e2418e6a66dda (x86: Add x86_init platform
> override to fix up NUMA core numbering).
>
> Remove the default fixup function (especially the error message) and
> replace it by a NULL pointer check, move the Numascale-specific
> condition for calling the fixup into the fixup-function itself and
> slightly adapt the comment.
>
> Cc: <stable@kernel.org>
> Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
> ---
> arch/x86/include/asm/x86_init.h | 1 -
> arch/x86/kernel/apic/apic_numachip.c | 7 +++++--
> arch/x86/kernel/cpu/amd.c | 7 ++++---
> arch/x86/kernel/cpu/common.c | 9 ---------
> arch/x86/kernel/x86_init.c | 1 -
> 5 files changed, 9 insertions(+), 16 deletions(-)
>
> This patch didn't make it into v3.3.
> But the misleading error message introduced with numachip support was
> merged.
Yes, please apply this one, I still get the following on my box with
3.4-rc1+:
[ 0.382396] Booting Node 0, Processors #1 #2 #3 #4 #5 Ok.
[ 0.454471] Booting Node 1, Processors #6
[ 0.469600] NUMA core number 1 differs from configured core number 0
[ 0.478361] #7
[ 0.490949] NUMA core number 1 differs from configured core number 0
[ 0.499695] #8
[ 0.512577] NUMA core number 1 differs from configured core number 0
[ 0.521331] #9
[ 0.533921] NUMA core number 1 differs from configured core number 0
[ 0.542679] #10
[ 0.555340] NUMA core number 1 differs from configured core number 0
[ 0.564088] #11
[ 0.576730] NUMA core number 1 differs from configured core number 0
[ 0.585497] Ok.
[ 0.587698] Booting Node 3, Processors #12
[ 0.602916] NUMA core number 3 differs from configured core number 1
[ 0.709432] #13
[ 0.722106] NUMA core number 3 differs from configured core number 1
[ 0.730856] #14
[ 0.743823] NUMA core number 3 differs from configured core number 1
[ 0.752577] #15
[ 0.765253] NUMA core number 3 differs from configured core number 1
[ 0.774002] #16
[ 0.786684] NUMA core number 3 differs from configured core number 1
[ 0.795436] #17
[ 0.808113] NUMA core number 3 differs from configured core number 1
[ 0.816878] Ok.
[ 0.819377] Booting Node 2, Processors #18
[ 0.834597] NUMA core number 2 differs from configured core number 1
[ 0.843348] #19
[ 0.856025] NUMA core number 2 differs from configured core number 1
[ 0.864777] #20
[ 0.877750] NUMA core number 2 differs from configured core number 1
[ 0.886505] #21
[ 0.899180] NUMA core number 2 differs from configured core number 1
[ 0.907939] #22
[ 0.920583] NUMA core number 2 differs from configured core number 1
[ 0.929335] #23 Ok.
[ 0.942785] NUMA core number 2 differs from configured core number 1
[ 0.951262] Brought up 24 CPUs
Thanks.
--
Regards/Gruss,
Boris.
next prev parent reply other threads:[~2012-04-04 12:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-20 17:17 [PATCH] x86: Remove wrong error message in x86_default_fixup_cpu_id Andreas Herrmann
2012-02-21 10:27 ` Borislav Petkov
2012-02-21 11:05 ` Daniel J Blueman
2012-02-21 11:20 ` Borislav Petkov
2012-02-21 12:56 ` Daniel J Blueman
2012-02-22 13:47 ` Andreas Herrmann
2012-02-23 10:23 ` Daniel J Blueman
2012-02-24 15:31 ` [PATCH resend] " Andreas Herrmann
2012-02-27 12:07 ` [tip:x86/platform] x86/platform: Remove incorrect error message in x86_default_fixup_cpu_id() tip-bot for Andreas Herrmann
2012-02-28 15:27 ` Borislav Petkov
2012-02-28 16:42 ` [tip:x86/urgent] " tip-bot for Andreas Herrmann
2012-03-02 11:04 ` Ingo Molnar
2012-03-02 11:51 ` Andreas Herrmann
2012-04-02 16:06 ` [PATCH resend] " Andreas Herrmann
2012-04-04 12:38 ` Borislav Petkov [this message]
2012-04-16 17:31 ` Borislav Petkov
2012-04-16 18:53 ` [tip:x86/urgent] " tip-bot for Andreas Herrmann
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=20120404123809.GB5193@x1.osrc.amd.com \
--to=bp@alien8.de \
--cc=andreas.herrmann3@amd.com \
--cc=borislav.petkov@amd.com \
--cc=bp@amd64.org \
--cc=daniel@numascale-asia.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=mingo@redhat.com \
--cc=sp@numascale.com \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).