From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: "Xu, Dongxiao" <dongxiao.xu@intel.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Steven Smith <steven.smith@citrix.com>
Subject: Re: [Pv-ops][PATCH 0/4 v2] Netback multiple threads support
Date: Mon, 3 May 2010 12:02:28 -0400 [thread overview]
Message-ID: <20100503160228.GA31299@phenom.dumpdata.com> (raw)
In-Reply-To: <D5AB6E638E5A3E4B8F4406B113A5A19A1D94B187@shsmsx501.ccr.corp.intel.com>
> when we test this patch, we found that the domain_lock in grant table
> operation (gnttab_copy()) becomes a bottle neck. We temporarily
> remove the global domain_lock to achieve good performance.
Without that change (global domain_lock in place), what are the
performance numbers?
Is there a forthcoming patch to make the gnttab_copy have a much finer
grained lock?
next prev parent reply other threads:[~2010-05-03 16:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-29 14:27 [Pv-ops][PATCH 0/4 v2] Netback multiple threads support Xu, Dongxiao
2010-05-03 16:02 ` Konrad Rzeszutek Wilk [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-04-29 14:53 Xu, Dongxiao
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