Attention is currently required from: Patrick Georgi, Martin Roth, Subrata Banik, Caveh Jalali, Stefan Reinauer, Tim Wawrzynczak, Sridhar Siricilla, Angel Pons, Alex Levin, Nick Vaccaro, YH Lin, Boris Mittelberg.
Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/61854 )
Change subject: ichspi.c: Check SPI Cycle In-Progress prior start HW Seq
......................................................................
Patch Set 6:
(1 comment)
Patchset:
PS6:
So, if this code change is considered a missed step in HW sequencing recommendation, then this could still be merged..correct?
A version of this change that takes the applicable context into account
(e.g. other waiting loops in this driver, implications when multiple
instances would reach this point in the code simultaneously) would be
accepted immediately.
As for the failure that was noticed, it is when flashrom was being used in 2 modes
- flashrom standalone
- via futility which uses libflashrom implementation
The standalone flashrom already has a fix for the issue, i.e, lockfile mechanism.
libflashrom did not utilize/inherit the lockfile feature and did not acquire the lock. Which allowed other instances to run. This is already being fixed https://chromium-review.googlesource.com/c/chromiumos/third_party/flashrom/+...
AFAIK, there is no such locking (yet) in this project. However, I fully
agree that file-based locking is the correct way. And it's interesting
to see that the problem is already solved for the fork. Makes me wonder
why Subrata asks how to solve such things here.
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