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Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_d
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From: |
Peter Xu |
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Subject: |
Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty() |
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Date: |
Wed, 7 Jul 2021 12:45:22 -0400 |
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
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), (continued)
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Peter Xu, 2021/07/01
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), David Hildenbrand, 2021/07/01
- RE: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Wang, Wei W, 2021/07/01
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), David Hildenbrand, 2021/07/02
- RE: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Wang, Wei W, 2021/07/02
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), David Hildenbrand, 2021/07/05
- RE: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Wang, Wei W, 2021/07/06
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), David Hildenbrand, 2021/07/06
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Peter Xu, 2021/07/06
- RE: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Wang, Wei W, 2021/07/07
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(),
Peter Xu <=
- RE: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Wang, Wei W, 2021/07/07
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Peter Xu, 2021/07/07
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Peter Xu, 2021/07/06
- RE: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Wang, Wei W, 2021/07/07
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Peter Xu, 2021/07/07
- RE: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Wang, Wei W, 2021/07/07
- Re: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Peter Xu, 2021/07/08
RE: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty(), Wang, Wei W, 2021/07/01