On Thu, Jul 13, 2023 at 04:55:47PM +0200, David Hildenbrand wrote: > Some cleanups+optimizations primarily around offline_and_remove_memory(). > > Patch #1 drops the "unsafe unplug" feature where we might get stuck in > offline_and_remove_memory() forever. > > Patch #2 handles unexpected errors from offline_and_remove_memory() a bit > nicer. > > Patch #3 handles the case where offline_and_remove_memory() failed and > we want to retry later to remove a completely unplugged Linux memory > block, to not have them waste memory forever. > > Patch #4 something I had lying around for longer, which reacts faster > on config changes when unplugging memory. > > Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx> > Cc: Jason Wang <jasowang@xxxxxxxxxx> > Cc: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx> This looks like something that's reasonable to put in this linux, right? These are fixes even though they are for theoretical issues. > David Hildenbrand (4): > virtio-mem: remove unsafe unplug in Big Block Mode (BBM) > virtio-mem: convert most offline_and_remove_memory() errors to -EBUSY > virtio-mem: keep retrying on offline_and_remove_memory() errors in Sub > Block Mode (SBM) > virtio-mem: check if the config changed before fake offlining memory > > drivers/virtio/virtio_mem.c | 168 ++++++++++++++++++++++++------------ > 1 file changed, 112 insertions(+), 56 deletions(-) > > > base-commit: 3f01e9fed8454dcd89727016c3e5b2fbb8f8e50c > -- > 2.41.0
