Messages in this thread | | | Date | Tue, 30 Jun 2020 12:21:14 -0700 (PDT) | Subject | Re: [PATCH net-next 1/5] net: ipa: head-of-line block registers are RX only | From | David Miller <> |
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From: Alex Elder <elder@linaro.org> Date: Mon, 29 Jun 2020 20:09:58 -0500
> But the reason I was > considering it conditional on a config option is that Qualcomm > has a crash analysis tool that expects a BUG() call to stop the > system so its instant state can be captured. I don't use this > tool, and I might be mistaken about what's required.
A Qualcomm debugging tool with poorly choosen expectations does not determine how we do things in the kernel.
> What I would *really* like to do is have a way to gracefully > shut down just the IPA driver when an unexpected condition occurs, > so I can stop everything without crashing the system. But doing > that in a way that works in all cases is Hard.
Users would like their system and the IPA device to continue, even if in a reduced functionality manner, if possible.
Doing things to make that less likely to be possible is undesirable.
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