From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Haggai Eran <haggaie@mellanox.com>
Cc: linux-mm@kvack.org, Andrea Arcangeli <aarcange@redhat.com>,
Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Sagi Grimberg <sagig@mellanox.com>,
Or Gerlitz <ogerlitz@mellanox.com>,
Christoph Lameter <clameter@sgi.com>
Subject: Re: [PATCH 2/3] mm: Move the tlb flushing into free_pgtables
Date: Mon, 27 Aug 2012 06:19:14 +0200 [thread overview]
Message-ID: <1346041154.2296.1.camel@laptop> (raw)
In-Reply-To: <1345975899-2236-3-git-send-email-haggaie@mellanox.com>
On Sun, 2012-08-26 at 13:11 +0300, Haggai Eran wrote:
>
> The conversion of the locks taken for reverse map scanning would
> require taking sleeping locks in free_pgtables() and we cannot sleep
> while gathering pages for a tlb flush.
We can.
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next prev parent reply other threads:[~2012-08-27 4:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-26 10:11 [PATCH 0/3] Enable clients to schedule in mmu_notifier methods Haggai Eran
2012-08-26 10:11 ` [PATCH 1/3] mm: Move all mmu notifier invocations to be done outside the PT lock Haggai Eran
2012-08-26 10:11 ` [PATCH 2/3] mm: Move the tlb flushing into free_pgtables Haggai Eran
2012-08-27 4:19 ` Peter Zijlstra [this message]
2012-08-28 8:52 ` Haggai Eran
2012-08-26 10:11 ` [PATCH 3/3] mm: Move the tlb flushing inside of unmap vmas Haggai Eran
2012-09-05 14:24 ` [PATCH 0/3] Enable clients to schedule in mmu_notifier methods Michael S. Tsirkin
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