a98d302fe9
Switching threads while holding a spinlock can lead to a deadlock. This happens if you have two thread trying to print to the serial console because the uart code uses udelay. BUG=b:179699789 TEST=Boot guybrush and no longer see a deadlock when printing to console from a second thread. Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: I1b929070b7f175965d4f37be693462fef26be052 Reviewed-on: https://review.coreboot.org/c/coreboot/+/56320 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> |
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