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SubjectRe: [patch 4/8] x86/entry: Move irq tracing on syscall entry to C-code
Andy Lutomirski <> writes:
>> On Mar 1, 2020, at 2:16 AM, Thomas Gleixner <> wrote:
>> Ok, but for the time being anything before/after CONTEXT_KERNEL is unsafe
>> except trace_hardirq_off/on() as those trace functions do not allow to
>> attach anything AFAICT.
> Can you point to whatever makes those particular functions special? I
> failed to follow the macro maze.

Those are not tracepoints and not going through the macro maze. See



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