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Re: [Qemu-devel] [RFC v4 30/71] cpu: define cpu_interrupt_request helper


From: Richard Henderson
Subject: Re: [Qemu-devel] [RFC v4 30/71] cpu: define cpu_interrupt_request helpers
Date: Fri, 26 Oct 2018 16:07:29 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1

On 10/25/18 3:46 PM, Emilio G. Cota wrote:
> Add a comment about how atomic_read works here. The comment refers to
> a "BQL-less CPU loop", which will materialize toward the end
> of this series.
> 
> Note that the modifications to cpu_reset_interrupt are there to
> avoid deadlock during the CPU lock transition; once that is complete,
> cpu_interrupt_request will be simple again.
> 
> Signed-off-by: Emilio G. Cota <address@hidden>
> ---
>  include/qom/cpu.h | 37 +++++++++++++++++++++++++++++++++++++
>  qom/cpu.c         | 27 +++++++++++++++++++++------
>  2 files changed, 58 insertions(+), 6 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>

r~




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