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(parent: 6dd2304) | 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)
commit2a0caed80293b4090344cbce68237116dbd09dc6
treedc4ec47158e77460b6dc723fcd12bff3310960f1tree | snapshot
parent6dd2304daaea1c09a022cba0cc73683e3b1521b0commit | 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
Linux Kernel Source Tree.