With this patch I can suspend/resume a KVM guest. [root@test ~]# cd /sys/power/ [root@test power]# echo test_resume > disk [root@test power]# lscss Device Subchan. DevType CU Type Use PIM PAM POM CHPIDs ---------------------------------------------------------------------- 0.0.0003 0.0.0000 0000/00 3832/03 yes 80 80 ff 00000000 00000000 0.0.0000 0.0.0001 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0001 0.0.0002 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0004 0.0.0003 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0005 0.0.0004 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0006 0.0.0005 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0007 0.0.0006 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0008 0.0.0007 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0009 0.0.0008 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.000a 0.0.0009 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.000b 0.0.000a 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.000c 0.0.000b 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.000e 0.0.000c 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.000f 0.0.000d 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0010 0.0.000e 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0011 0.0.000f 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0012 0.0.0010 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0013 0.0.0011 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0014 0.0.0012 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0002 0.0.0013 0000/00 3832/09 yes 80 80 ff 00000000 00000000 0.0.000d 0.0.0014 0000/00 3832/01 yes 80 80 ff 00000000 00000000 0.0.0015 0.0.0015 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0016 0.0.0016 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0017 0.0.0017 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0018 0.0.0018 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0019 0.0.0019 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.3.ffba 0.3.0000 0000/00 3832/05 yes 80 80 ff 00000000 00000000 [root@test power]# echo disk > state [ 195.854629] PM: hibernation entry [ 195.854780] PM: Syncing filesystems ... [ 195.855837] PM: done. [ 195.855839] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 195.856927] OOM killer disabled. [ 195.856941] PM: Preallocating image memory... done (allocated 182918 pages) [ 196.229494] PM: Allocated 731672 kbytes in 0.37 seconds (1977.49 MB/s) [ 196.229495] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. [ 196.231772] Suspending console(s) (use no_console_suspend to debug) [ 196.238620] Disabling non-boot CPUs ... [ 196.238632] PM: Creating hibernation image: [ 196.267113] PM: Need to copy 182169 pages [ 196.892074] PM: Hibernation image created (182169 pages copied) [ 196.905127] PM: Using 1 thread(s) for compression. [ 196.905127] PM: Compressing and saving image data (182525 pages)... [ 197.358550] PM: Image saving progress: 0% [ 197.595283] PM: Image saving progress: 10% [ 197.740148] PM: Image saving progress: 20% [ 197.859172] PM: Image saving progress: 30% [ 197.989838] PM: Image saving progress: 40% [ 198.100692] PM: Image saving progress: 50% [ 198.205154] PM: Image saving progress: 60% [ 198.308987] PM: Image saving progress: 70% [ 198.412584] PM: Image saving progress: 80% [ 198.516285] PM: Image saving progress: 90% [ 198.620025] PM: Image saving progress: 100% [ 198.620176] PM: Image saving done. [ 198.620178] PM: Wrote 730100 kbytes in 1.71 seconds (426.95 MB/s) [ 198.620256] PM: S [ 198.620323] | [ 198.650677] PM: Using 1 thread(s) for decompression. [ 198.650677] PM: Loading and decompressing image data (182525 pages)... [ 198.663329] PM: Image loading progress: 0% [ 198.990431] PM: Image loading progress: 10% [ 199.155921] PM: Image loading progress: 20% [ 199.317973] PM: Image loading progress: 30% [ 199.457977] PM: Image loading progress: 40% [ 199.614798] PM: Image loading progress: 50% [ 199.843670] PM: Image loading progress: 60% [ 200.075105] PM: Image loading progress: 70% [ 200.307333] PM: Image loading progress: 80% [ 200.540000] PM: Image loading progress: 90% [ 195.856941] PM: Preallocating image memory... done (allocated 182918 pages) [ 196.229494] PM: Allocated 731672 kbytes in 0.37 seconds (1977.49 MB/s) [ 196.229495] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. [ 196.231772] Suspending console(s) (use no_console_suspend to debug) [ 196.238620] Disabling non-boot CPUs ... [ 196.238632] PM: Creating hibernation image: [ 196.267113] PM: Need to copy 182169 pages [ 201.314326] OOM killer enabled. [ 201.314327] Restarting tasks ... done. [ 201.315976] PM: hibernation exit [root@test power]# lscss Device Subchan. DevType CU Type Use PIM PAM POM CHPIDs ---------------------------------------------------------------------- 0.0.0003 0.0.0000 0000/00 3832/03 yes 80 80 ff 00000000 00000000 0.0.0000 0.0.0001 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0001 0.0.0002 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0004 0.0.0003 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0005 0.0.0004 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0006 0.0.0005 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0007 0.0.0006 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0008 0.0.0007 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0009 0.0.0008 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.000a 0.0.0009 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.000b 0.0.000a 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.000c 0.0.000b 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.000e 0.0.000c 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.000f 0.0.000d 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0010 0.0.000e 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0011 0.0.000f 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0012 0.0.0010 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0013 0.0.0011 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0014 0.0.0012 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0002 0.0.0013 0000/00 3832/09 yes 80 80 ff 00000000 00000000 0.0.000d 0.0.0014 0000/00 3832/01 yes 80 80 ff 00000000 00000000 0.0.0015 0.0.0015 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0016 0.0.0016 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0017 0.0.0017 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0018 0.0.0018 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.0.0019 0.0.0019 0000/00 3832/02 yes 80 80 ff 00000000 00000000 0.3.ffba 0.3.0000 0000/00 3832/05 yes 80 80 ff 00000000 00000000 [root@test power]# Christian Borntraeger (1): virtio/s390: implement PM operations for virtio_ccw drivers/s390/virtio/virtio_ccw.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) -- 2.9.4 -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
