From: Peter Xu <peterx@redhat.com>
To: "Wang, Wei W" <wei.w.wang@intel.com>
Cc: Hailiang Zhang <zhang.zhanghailiang@huawei.com>,
Juan Quintela <quintela@redhat.com>,
David Hildenbrand <david@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
Leonardo Bras Soares Passos <lsoaresp@redhat.com>
Subject: Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty()
Date: Wed, 7 Jul 2021 12:45:22 -0400 [thread overview]
Message-ID: <YOXaIlPxHSlINjiz@t490s> (raw)
In-Reply-To: <b94e02b7e7bd4f2a8cbed73cb7756a68@intel.com>
On Wed, Jul 07, 2021 at 12:45:32PM +0000, Wang, Wei W wrote:
> Btw, what would you think if we change mutex to QemuSpin? It will also reduce the overhead, I think.
As I replied at the other place, the bottleneck we encountered is the lock
taking not sleeping, so I'm afraid spinlock will have the same issue. Thanks,
--
Peter Xu
next prev parent reply other threads:[~2021-07-07 16:46 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-30 20:08 [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty() Peter Xu
2021-07-01 4:42 ` Wang, Wei W
2021-07-01 12:51 ` Peter Xu
2021-07-01 14:21 ` David Hildenbrand
2021-07-02 2:48 ` Wang, Wei W
2021-07-02 7:06 ` David Hildenbrand
2021-07-03 2:53 ` Wang, Wei W
2021-07-05 13:41 ` David Hildenbrand
2021-07-06 9:41 ` Wang, Wei W
2021-07-06 10:05 ` David Hildenbrand
2021-07-06 17:39 ` Peter Xu
2021-07-07 12:45 ` Wang, Wei W
2021-07-07 16:45 ` Peter Xu [this message]
2021-07-07 23:25 ` Wang, Wei W
2021-07-08 0:21 ` Peter Xu
2021-07-06 17:47 ` Peter Xu
2021-07-07 8:34 ` Wang, Wei W
2021-07-07 16:54 ` Peter Xu
2021-07-08 2:55 ` Wang, Wei W
2021-07-08 18:10 ` Peter Xu
2021-07-02 2:29 ` Wang, Wei W
2021-07-06 17:59 ` Peter Xu
2021-07-07 8:33 ` Wang, Wei W
2021-07-07 16:44 ` Peter Xu
2021-07-08 2:49 ` Wang, Wei W
2021-07-08 18:30 ` Peter Xu
2021-07-09 8:58 ` Wang, Wei W
2021-07-09 14:48 ` Peter Xu
2021-07-13 8:20 ` Wang, Wei W
2021-07-03 16:31 ` Lukas Straub
2021-07-04 14:14 ` Lukas Straub
2021-07-06 18:37 ` Peter Xu
2021-07-13 8:40 ` Wang, Wei W
2021-07-13 10:22 ` David Hildenbrand
2021-07-14 5:03 ` Wang, Wei W
2021-07-13 15:59 ` Peter Xu
2021-07-14 5:04 ` Wang, Wei W
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