Proof of work SO2, lab02 #1
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Signed-off-by: Iulian Olaru <iulianolaru249@yahoo.com>
The bug is raised beacause sleeping is not allowed in atomic context. BUG: scheduling while atomic: insmod/228/0x00000002 1 lock held by insmod/228 Signed-off-by: Iulian Olaru <iulianolaru249@yahoo.com>
root@qemux86:~/skels/kernel_api# rmmod 3-memory/memory.ko pid: 228, timestamp: -55002 pid: 0, timestamp: -55002 pid: 1, timestamp: -55002 pid: 2, timestamp: -55002 Signed-off-by: Iulian Olaru <iulianolaru249@yahoo.com>
before exiting: [ (1, 4294964624) (0, 4294964624) (205, 4294964624) (236, 4294964623) ] Signed-off-by: Iulian Olaru <iulianolaru249@yahoo.com>
To prevent removal, the value count should be above 6. after first add: [ (1, 1823) (0, 1823) (205, 1823) (239, 1823) ] Signed-off-by: Iulian Olaru <iulianolaru249@yahoo.com>
after first add: [ (1, 4294951615) (0, 4294951615) (204, 4294951615) (229, 4294951615) ] after removing expired: [ (229, 4294951615) ] Signed-off-by: Iulian Olaru <iulianolaru249@yahoo.com>
after new addition: [
(234, 396)
(1, 396)
(0, 396)
(203, 396)
(231, 4294962409)
]
lsmod:
Tainted: G
list_test 16384 0 - Live 0xd0848000 (O)
list_sync 16384 1 list_test, Live 0xd0859000 (O)
unloading:
The unloading of the test module triggers the remove_expired
function from ex 6.
The module for ex6 is still loaded.
lsmod
Tainted: G
list_sync 16384 0 - Live 0xd0859000 (O)
Signed-off-by: Iulian Olaru <iulianolaru249@yahoo.com>
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Published at http://linux-kernel-labs.github.io/refs/pull/1/merge |
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Looks good to me. |
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