Re: [RFC PATCH 6/9] livepatch: create per-task consistency model
From: Jiri Slaby
Date: Thu Feb 12 2015 - 08:16:37 EST
On 02/12/2015, 02:08 PM, Peter Zijlstra wrote:
> How can one task run new and another task old functions?
because this is how it is designed to work in one of the consistency models.
> Once you patch
> any indirect function pointer any task will see the new call.
It does not patch any pointers. Callees' fentrys are "patched" using ftrace.
> And what's wrong with using known good spots like the freezer?
This was already discussed too. Please STA.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/