On Mon, Jan 19, 2026 at 04:56:04PM +0100, Markus Elfring wrote:

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Fix this by adding logic to the tracepoint to safely propagate NULL.

* How do you think about to add any tags (like “Fixes” and “Cc”) accordingly?

I could add a

Fixes: f8f934c180f6 ("iommu/arm-smmu: Add support for driver IOMMU fault handlers")

However, who do you think I neglected to Cc:?

See also once more:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.19-rc5#n262
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/stable-kernel-rules.rst?h=v6.19-rc5#n34

That's not what I asked! You suggested I add people to Cc:, who do you
think I missed?

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* Would a summary phrase like “Prevent null pointer dereference for a tracepoint”
  be a bit nicer?

I don't understand what is wrong with the original phrasing. Can you
explain why this change matters to you?

* Questionable abbreviation “deref”
* when clause

I dislike the proposed new summary. I think keeping "io_page_fault"
in the summary is a much better use of characters than spelling
dereference in full.


Daniel.