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Re: [PATCH 1/3] exec/memory: Extract address_space_set() from dma_memory
From: |
David Hildenbrand |
Subject: |
Re: [PATCH 1/3] exec/memory: Extract address_space_set() from dma_memory_set() |
Date: |
Mon, 17 Jan 2022 09:23:29 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 |
On 15.01.22 21:37, Laurent Vivier wrote:
> From: Philippe Mathieu-Daudé <philmd@redhat.com>
>
> dma_memory_set() does a DMA barrier, set the address space with
> a constant value. The constant value filling code is not specific
> to DMA and can be used for AddressSpace. Extract it as a new
> helper: address_space_set().
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> Reviewed-by: Laurent Vivier <laurent@vivier.eu>
> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> [lv: rebase]
> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
> ---
> include/exec/memory.h | 16 ++++++++++++++++
> softmmu/dma-helpers.c | 15 +--------------
> softmmu/physmem.c | 19 +++++++++++++++++++
> 3 files changed, 36 insertions(+), 14 deletions(-)
>
> diff --git a/include/exec/memory.h b/include/exec/memory.h
> index 20f1b27377ea..c00c50943107 100644
> --- a/include/exec/memory.h
> +++ b/include/exec/memory.h
> @@ -2906,6 +2906,22 @@ address_space_write_cached(MemoryRegionCache *cache,
> hwaddr addr,
> }
> }
>
> +/**
> + * address_space_set: Fill address space with a constant byte.
nit: Fill selected part of an address space with a constant byte.
:)
Reviewed-by: David Hildenbrand <david@redhat.com>
--
Thanks,
David / dhildenb