linux-kernel - Re: [PATCH v3 6/6] s390/mm: Remove sev

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Message-ID: <20190718084456.GE24562@lst.de>
Date:   Thu, 18 Jul 2019 10:44:56 +0200
From:   Christoph Hellwig <hch@....de>
To:     Thiago Jung Bauermann <bauerman@...ux.ibm.com>
Cc:     x86@...nel.org, iommu@...ts.linux-foundation.org,
        linux-fsdevel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, Christoph Hellwig <hch@....de>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Thomas Lendacky <Thomas.Lendacky@....com>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Mike Anderson <andmike@...ux.ibm.com>,
        Ram Pai <linuxram@...ibm.com>
Subject: Re: [PATCH v3 6/6] s390/mm: Remove sev_active() function

> -/* are we a protected virtualization guest? */
> -bool sev_active(void)
> -{
> -	return is_prot_virt_guest();
> -}
> -
>  bool force_dma_unencrypted(struct device *dev)
>  {
> -	return sev_active();
> +	return is_prot_virt_guest();
>  }

Do we want to keep the comment for force_dma_unencrypted?

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@....de>