linux-kernel - Re: [PATCH 04/14] x86: use generic swiotlb

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Message-ID: <alpine.DEB.2.21.1803150956300.1525@nanos.tec.linutronix.de>
Date:   Thu, 15 Mar 2018 10:00:57 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Christoph Hellwig <hch@....de>
cc:     x86@...nel.org, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        David Woodhouse <dwmw2@...radead.org>,
        Muli Ben-Yehuda <mulix@...ix.org>,
        Jon Mason <jdmason@...zu.us>, Joerg Roedel <joro@...tes.org>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/14] x86: use generic swiotlb_ops

On Wed, 14 Mar 2018, Christoph Hellwig wrote:
>  #if defined(CONFIG_INTEL_IOMMU) || defined(CONFIG_AMD_IOMMU)
>  	void *iommu; /* hook for IOMMU specific extension */
>  #endif
> +#ifdef CONFIG_STA2X11
> +	bool is_sta2x11 : 1;

Huch? Please use either bool or an unsigned int based bitfield. A boolean
bitfield doesn't make sense.

Thanks,

	tglx