Re: linux-next: manual merge of the kvm tree with Linus' tree

[Davide Libenzi]

On Wed, 1 Jul 2009, Stephen Rothwell wrote:

> Hi Avi,
> 
> Today's linux-next merge of the kvm tree got a conflict in fs/eventfd.c
> between commit 133890103b9de08904f909995973e4b5c08a780e ("eventfd:
> revised interface and cleanups") from Linus' tree and commit
> 28ddf0aebbf546e56efd1951725d5457ce1ebf98 ("eventfd: Allow waiters to be
> notified about the eventfd file* going away") from the kvm tree.
> 
> Overlapping changes.  I fixed it up (see below), but don't know if this
> is the correct fix.
> 
> -- 
> Cheers,
> Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx
> 
> diff --cc fs/eventfd.c
> index 31d12de,72f5f8d..0000000
> --- a/fs/eventfd.c
> +++ b/fs/eventfd.c
> @@@ -105,8 -63,13 +105,13 @@@ static int eventfd_release(struct inod
>   {
>   	struct eventfd_ctx *ctx = file->private_data;
>   
> - 	wake_up_poll(&ctx->wqh, POLLHUP);
> + 	/*
> + 	 * No need to hold the lock here, since we are on the file cleanup
> + 	 * path and the ones still attached to the wait queue will be
> + 	 * serialized by wake_up_locked_poll().
> + 	 */
> + 	wake_up_locked_poll(&ctx->wqh, POLLHUP);
>  -	kfree(ctx);
>  +	eventfd_ctx_put(ctx);
>   	return 0;
>   }

That's fine.
There are a couple of extra spaces before the last two -+ in that patch 
though ;)


- Davide


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/