| From | Andy Lutomirski <> | Date | Fri, 8 May 2020 16:57:50 -0700 | Subject | Re: [patch V4 part 2 06/18] x86/entry: Move irq flags tracing to prepare_exit_to_usermode() |
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On Tue, May 5, 2020 at 7:14 AM Thomas Gleixner <tglx@linutronix.de> wrote: > > This is another step towards more C-code and less convoluted ASM. > > Similar to the entry path, invoke the tracer before context tracking which > might turn off RCU and invoke lockdep as the last step before going back to > user space. Annotate the code sections in exit_to_user_mode() accordingly > so objtool won't complain about the tracer invocation.
Acked-by: Andy Lutomirski <luto@kernel.org>
Note to self: the nmi code needs to be reworked to go through prepare_exit_to_usermode(), too. I'll do this once this whole pile lands.
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