[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen-blkfront: switch from llist to list
On 15/02/13 19:56, Konrad Rzeszutek Wilk wrote: >> Should be backported to 3.8 stable. > > Lets do one thing at a time. > > The patch I have in the tree (and that I've asked Jens to pull for 3.9 - so > he might have already in his tree) is the old hybrid where we still use llist > but change the loop from 'for' to 'while'. > > This is the stable/for-jens-3.8 tree in > git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git > > Could you rebase your patch on top of that tree and just simplify the loop? > > Sorry about the mess about this - but I had already pulled the trigger > so to say - hoping that Jens would pull the tree and do a git pull to Linus. > > And you are absolutly sure that we don't need any extra locking when switching > over to list_head? Say if blkif_completion is called while we are > processing in blkif_queue_request and doing ? Will recheck it, but blkif_completition is called with the io_lock hold, as does blkif_queue_request (I've added extra assert_spin_locked before every list modification). _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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