Messages in this thread | | | Date | Wed, 4 Apr 2018 09:49:27 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH] tracing, printk: Force no hashing when trace_printk() is used |
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On Tue, Apr 03, 2018 at 05:06:12PM -0400, Steven Rostedt wrote: > If you are concerned about attack surface, I could make it a bit more > difficult to tweak by malicious software. What about the patch below? > It would be much more difficult to modify this knob from an attack > vector.
Not if you build using clang, because that doesn't support asm-goto and thus falls back to a simple runtime variable, which is exactly what Kees didn't want.
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