Re: [PATCH 07/18] cpu-common: use atomic access for interrupt_request

[Richard Henderson <richard.henderson@linaro.org>]

On 8/30/25 01:31, Paolo Bonzini wrote:
> Writes to interrupt_request used non-atomic accesses, but there are a
> few cases where the access was not protected by the BQL.  Now that
> there is a full set of helpers, it's easier to guarantee that
> interrupt_request accesses are fully atomic, so just drop the
> requirement instead of fixing them.
> 
> Signed-off-by: Paolo Bonzini<pbonzini@redhat.com>
> ---
>   include/hw/core/cpu.h |  1 -
>   hw/core/cpu-common.c  | 12 +-----------
>   system/cpus.c         |  3 +--
>   3 files changed, 2 insertions(+), 14 deletions(-)

I guess we didn't need SEQ_CST, but since we don't choose to play with relaxed atomics 
elsewhere, it would simply complicate things to start.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~