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[Qemu-devel] [PATCH 37/46] Add assertion to check migration_dirty_pages
From: |
Dr. David Alan Gilbert (git) |
Subject: |
[Qemu-devel] [PATCH 37/46] Add assertion to check migration_dirty_pages doesn't go -ve; have seen it happen once but not sure why |
Date: |
Fri, 4 Jul 2014 18:41:48 +0100 |
From: "Dr. David Alan Gilbert" <address@hidden>
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
arch_init.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch_init.c b/arch_init.c
index c006d21..58eccc1 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -439,6 +439,7 @@ ram_addr_t
migration_bitmap_find_and_reset_dirty(MemoryRegion *mr,
if (next < size) {
clear_bit(next, migration_bitmap);
+ assert(migration_dirty_pages > 0);
migration_dirty_pages--;
}
*bitoffset = next;
--
1.9.3
- [Qemu-devel] [PATCH 27/46] postcopy: Add incoming_init/cleanup functions, (continued)
- [Qemu-devel] [PATCH 27/46] postcopy: Add incoming_init/cleanup functions, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 29/46] postcopy: ram_enable_notify to switch on userfault, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 28/46] postcopy: Incoming initialisation, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 30/46] Postcopy: postcopy_start, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 32/46] mig fd_connect: open return path, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 31/46] Postcopy: Rework migration thread for postcopy mode, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 33/46] Postcopy: Create a fault handler thread before marking the ram as userfault, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 34/46] Page request: Add MIG_RPCOMM_REQPAGES reverse command, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 36/46] Page request: Consume pages off the post-copy queue, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 37/46] Add assertion to check migration_dirty_pages doesn't go -ve; have seen it happen once but not sure why,
Dr. David Alan Gilbert (git) <=
- [Qemu-devel] [PATCH 35/46] Page request: Process incoming page request, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 38/46] postcopy_ram.c: place_page and helpers, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 39/46] Postcopy: Use helpers to map pages during migration, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 43/46] postcopy: Wire up loadvm_postcopy_ram_handle_{run, end} commands, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 44/46] postcopy: Use userfaultfd, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 45/46] End of migration for postcopy, Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 46/46] Start documenting how postcopy works., Dr. David Alan Gilbert (git), 2014/07/04
- [Qemu-devel] [PATCH 16/46] Add migration-capability boolean for postcopy-ram., Dr. David Alan Gilbert (git), 2014/07/04