netdev - Re: [Patch v3 06/14] init: Call mem_encrypt_init() after Hyper-V hypercall init is done

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Date:   Mon, 21 Nov 2022 15:46:25 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Michael Kelley <mikelley@...rosoft.com>
Cc:     hpa@...or.com, kys@...rosoft.com, haiyangz@...rosoft.com,
        wei.liu@...nel.org, decui@...rosoft.com, luto@...nel.org,
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        hch@...radead.org, m.szyprowski@...sung.com, robin.murphy@....com,
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        linux-hyperv@...r.kernel.org, netdev@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-arch@...r.kernel.org,
        iommu@...ts.linux.dev
Subject: Re: [Patch v3 06/14] init: Call mem_encrypt_init() after Hyper-V
 hypercall init is done

On Wed, Nov 16, 2022 at 10:41:29AM -0800, Michael Kelley wrote:
> Fix this by moving mem_encrypt_init() after late_time_init() and
> related clock initializations. The intervening initializations don't
> do any I/O that requires the swiotlb, so moving mem_encrypt_init()
> slightly later has no impact.

I hope you're right. Our boot ordering is fragile as hell. But
mem_encrypt_init() doesn't do a whole lot of important setup - that has
happened a lot earlier already - so I'm not too worried.

But we'll see what breaks in wider testing.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette