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Re: [PATCH 2/3] linux-user/arm: Implement __kernel_cmpxchg with host ato
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From: |
Peter Maydell |
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Subject: |
Re: [PATCH 2/3] linux-user/arm: Implement __kernel_cmpxchg with host atomics |
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Date: |
Tue, 15 Mar 2022 18:16:50 +0000 |
On Mon, 14 Mar 2022 at 04:44, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> The existing implementation using start/end_exclusive
> does not provide atomicity across processes.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> linux-user/arm/cpu_loop.c | 85 +++++++++++++++++++++++++++------------
> 1 file changed, 60 insertions(+), 25 deletions(-)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
thanks
-- PMM