Messages in this thread | | | Date | Sun, 22 Feb 2015 10:31:26 -0800 | From | Arjan van de Ven <> | Subject | Re: [PATCH tip/core/rcu 0/4] Programmatic nestable expedited grace periods |
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>> >> To show the boot time, I'm using the timestamp of the "Write protecting" line, >> that's pretty much the last thing we print prior to ring 3 execution. > > That's a little sad; we ought to be write-protecting kernel read-only > data as *early* as possible.
well... if you are compromised before the first ring 3 instruction... .... you have a slightly bigger problem than where in the kernel we write protect things.
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