Messages in this thread | | | From | Andy Lutomirski <> | Date | Mon, 20 Jun 2016 13:34:34 -0700 | Subject | Re: [PATCH 1/2] x86/entry: Avoid interrupt flag save and restore |
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On Mon, Jun 20, 2016 at 7:58 AM, Paolo Bonzini <pbonzini@redhat.com> wrote: > Thanks to all the work that was done by Andy Lutomirski and others, > enter_from_user_mode and prepare_exit_to_usermode are now called only with > interrupts disabled. Let's provide them a version of user_enter/user_exit > that skips saving and restoring the interrupt flag.
You're also skipping the in_interrupt() check, but that appears to be fine.
Reviewed-by: Andy Lutomirski <luto@kernel.org>
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