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Re: [Qemu-devel] [PATCH] migration: update comments of migration bitmap
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH] migration: update comments of migration bitmap |
Date: |
Tue, 14 May 2019 15:35:45 +0100 |
User-agent: |
Mutt/1.11.4 (2019-03-13) |
* Yi Wang (address@hidden) wrote:
> Since the ram bitmap and the unsent bitmap are split by RAMBlock
> in commit 6b6712e, it's better to update the comments about them.
>
> Signed-off-by: Yi Wang <address@hidden>
Queued
> ---
> migration/ram.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/migration/ram.c b/migration/ram.c
> index 1ca9ba7..24ab23d 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -1630,8 +1630,6 @@ static int save_xbzrle_page(RAMState *rs, uint8_t
> **current_data,
> /**
> * migration_bitmap_find_dirty: find the next dirty page from start
> *
> - * Called with rcu_read_lock() to protect migration_bitmap
> - *
> * Returns the byte offset within memory region of the start of a dirty page
> *
> * @rs: current RAM state
> @@ -2681,7 +2679,7 @@ static void ram_save_cleanup(void *opaque)
> RAMBlock *block;
>
> /* caller have hold iothread lock or is in a bh, so there is
> - * no writing race against this migration_bitmap
> + * no writing race against the migration bitmap
> */
> memory_global_dirty_log_stop();
>
> --
> 1.8.3.1
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK