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(parent: 9336c02) | patch
habanalabs: prevent CPU soft lockup on Palladium
authorOded Gabbay <oded.gabbay@gmail.com>
Sun, 31 Mar 2019 18:37:42 +0000 (21:37 +0300)
committerOded Gabbay <oded.gabbay@gmail.com>
Sun, 31 Mar 2019 18:37:42 +0000 (21:37 +0300)
commite850b89f50d2c1439f58d547b888ee6e43312dea
treedc4ec47158e77460b6dc723fcd12bff3310960f1tree | snapshot
parent9336c0216782d3a4cd108b584efe24b64cad8a63commit | diff
habanalabs: prevent CPU soft lockup on Palladium

Unmapping ptes in the device MMU on Palladium can take a long time, which
can cause a kernel BUG of CPU soft lockup.

This patch minimize the chances for this bug by sleeping a little between
unmapping ptes.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
drivers/misc/habanalabs/memory.c diff | blob | history
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