linux-kernel - Re: [PATCH v8] swiotlb: Adjust SWIOTBL bounce buffer size for SEV guests.

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Message-ID: <20201209194358.GA20638@zn.tnic>
Date:   Wed, 9 Dec 2020 20:43:58 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Ashish Kalra <ashish.kalra@....com>
Cc:     konrad.wilk@...cle.com, hch@....de, tglx@...utronix.de,
        mingo@...hat.com, hpa@...or.com, x86@...nel.org, luto@...nel.org,
        peterz@...radead.org, dave.hansen@...ux-intel.com,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        brijesh.singh@....com, Thomas.Lendacky@....com, Jon.Grimm@....com,
        rientjes@...gle.com
Subject: Re: [PATCH v8] swiotlb: Adjust SWIOTBL bounce buffer size for SEV
 guests.

On Wed, Dec 09, 2020 at 07:34:16PM +0000, Ashish Kalra wrote:
> This should work, but i am concerned about making IO_TLB_DEFAULT_SIZE
> (which is pretty much private to generic swiotlb code) to be visible
> externally, i don't know if there are any concerns with that ?

Meh, it's just a define and it is not a secret that swiotlb size by
default is 64M.

Btw, pls trim your reply by removing quoted text you're not responding
to.

Thx.

-- 
Regards/Gruss,
    Boris.

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