linux-kernel - Re: [PATCH v4 2/2] dma-mapping: fix dma_addressing_limited() if dma_range

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Message-ID: <20231106073757.GB17734@lst.de>
Date:   Mon, 6 Nov 2023 08:37:57 +0100
From:   Christoph Hellwig <hch@....de>
To:     Jia He <justin.he@....com>
Cc:     Christoph Hellwig <hch@....de>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org, nd@....com
Subject: Re: [PATCH v4 2/2] dma-mapping: fix dma_addressing_limited() if
 dma_range_map can't cover all system RAM

On Sat, Oct 28, 2023 at 10:20:59AM +0000, Jia He wrote:
> +	if (likely(!ops))
> +		return !dma_direct_all_ram_mapped(dev);
> +
> +	return false;

I've turned his around to make it read a little nicer.