Messages in this thread | | | Date | Fri, 28 Feb 2020 16:37:17 +0000 | From | Marc Zyngier <> | Subject | Re: [PATCH] genirq/debugfs: add new config option for trigger interrupt from userspace |
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Hi Joe,
On 2020-02-28 05:42, Joe Jin wrote: > commit 536e2e34bd00 ("genirq/debugfs: Triggering of interrupts from > userspace") is allowed developer inject interrupts via irq debugfs, > which > is very useful during development phase, but on a production system, > this > is very dangerous, add new config option, developers can enable it as > needed instead of enabling it by default when irq debugfs is enabled.
I don't really mind the patch (although it could be more elegant), but in general I object to most debugfs options being set on a production kernel. There is way too much information in most debugfs backends to be comfortable with it, and you can find things like page table dumps, for example...
M. -- Jazz is not dead. It just smells funny...
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