Messages in this thread |  | | Date | Mon, 07 Sep 2015 14:07:47 +0800 | From | Bob Liu <> | Subject | Re: [Xen-devel] [PATCH] xen-blkback: free requests on disconnection |
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Hi Julien,
On 09/04/2015 09:51 PM, Julien Grall wrote: > Hi Roger, > > On 04/09/15 11:08, Roger Pau Monne wrote: >> Request allocation has been moved to connect_ring, which is called every >> time blkback connects to the frontend (this can happen multiple times during >> a blkback instance life cycle). On the other hand, request freeing has not >> been moved, so it's only called when destroying the backend instance. Due to >> this mismatch, blkback can allocate the request pool multiple times, without >> freeing it. >> >> In order to fix it, move the freeing of requests to xen_blkif_disconnect to >> restore the symmetry between request allocation and freeing. >> >> Reported-by: Julien Grall <julien.grall@citrix.com> >> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> >> Cc: Julien Grall <julien.grall@citrix.com> >> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> >> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> >> Cc: David Vrabel <david.vrabel@citrix.com> >> Cc: xen-devel@lists.xenproject.org > > The patch is fixing my problem when using UEFI in the guest. Thank you! >
Could you please explain the problem you met a bit more? So that I can know back port this patch if met similar issue.
Thanks, -Bob
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