From: Suresh Siddha <suresh.b.siddha@intel.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>,
"ananth@in.ibm.com" <ananth@in.ibm.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
lkml <linux-kernel@vger.kernel.org>,
"stable@kernel.org" <stable@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
"Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
Subject: Re: [PATCH] Make Intel 8-way Xeons boot again
Date: Mon, 11 Jan 2010 13:53:49 -0800 [thread overview]
Message-ID: <1263246829.2859.537.camel@sbs-t61.sc.intel.com> (raw)
In-Reply-To: <86802c441001111343p2afaafb7o702884e632260bf7@mail.gmail.com>
On Mon, 2010-01-11 at 13:43 -0800, Yinghai Lu wrote:
> On Sun, Jan 10, 2010 at 2:26 AM, Ingo Molnar <mingo@elte.hu> wrote:
> >
> > In any case this commit needs to be reverted as the assumption that it's safe
> > to do this optimization is evidently not true.
> >
>
> use attached debug patch on one of my intel system and with nr_cpus=8,
> it seems logical flat works.
> that system BSP apic id is 0x20.
Same here. I don't see any issues with my testing on two different
platforms.
This sounds more like an IBM platform issue. So reverting the 2fbd07a5f
commit is not the correct solution.
thanks,
suresh
next prev parent reply other threads:[~2010-01-11 21:55 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-09 10:10 Ananth N Mavinakayanahalli
2010-01-09 18:11 ` Linus Torvalds
2010-01-09 22:51 ` Yinghai Lu
2010-01-11 17:38 ` Suresh Siddha
2010-01-09 21:13 ` Yinghai Lu
2010-01-10 2:30 ` Ananth N Mavinakayanahalli
2010-01-10 6:35 ` Yinghai Lu
2010-01-10 10:26 ` Ingo Molnar
2010-01-11 4:53 ` [PATCH] Revert 2fbd07a5f so machines with BSPs phsyical apic id != 0 can boot Ananth N Mavinakayanahalli
2010-01-11 21:39 ` Suresh Siddha
2010-01-11 22:55 ` Linus Torvalds
2010-01-11 23:45 ` Suresh Siddha
2010-01-11 23:51 ` Suresh Siddha
2010-01-12 0:46 ` Linus Torvalds
2010-01-12 0:50 ` Linus Torvalds
2010-01-12 2:27 ` Suresh Siddha
2010-01-14 0:03 ` Yuhong Bao
2010-01-11 21:43 ` [PATCH] Make Intel 8-way Xeons boot again Yinghai Lu
2010-01-11 21:53 ` Suresh Siddha [this message]
2010-01-12 19:10 ` Yinghai Lu
2010-01-12 20:20 ` Suresh Siddha
2010-01-12 21:02 ` H. Peter Anvin
2010-01-12 21:07 ` Suresh Siddha
2010-01-12 22:46 ` Suresh Siddha
2010-01-13 4:42 ` Ananth N Mavinakayanahalli
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