From: Shaohua Li <shaohua.li@intel.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>,
Eric Dumazet <eric.dumazet@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86: Use online node real index in calulate_tbl_offset()
Date: Sun, 31 Oct 2010 11:38:59 +0800 [thread overview]
Message-ID: <1288496339.1945.2.camel@shli-laptop> (raw)
In-Reply-To: <4CCA2F0C.7010302@kernel.org>
On Fri, 2010-10-29 at 10:18 +0800, Yinghai Lu wrote:
> Found one numa system that doesn't have ram installed in first socket
> hang during executing init scripts.
>
> bisect to:
>
> |commit 932967202182743c01a2eee4bdfa2c42697bc586
> |Author: Shaohua Li <shaohua.li@intel.com>
> |Date: Wed Oct 20 11:07:03 2010 +0800
> |
> | x86: Spread tlb flush vector between nodes
>
> It turns out when first socket is not online could have cpus on node1
> tlb_offset set to bigger than NUM_INVALIDATE_TLB_VECTORS.
>
> that could affect systems like 4 sockets, but socket 2 doesn't
> have installed, sockets 3 will get too big tlb_offset.
>
> Need to use real online node idx.
>
Thanks for catching it up.
Acked-by: Shaohua Li <shaohua.li@intel.com>
next prev parent reply other threads:[~2010-10-31 3:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-29 2:18 Yinghai Lu
2010-10-29 3:02 ` H. Peter Anvin
2010-10-31 3:38 ` Shaohua Li [this message]
2010-11-13 18:52 Yinghai Lu
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