linux-kernel - Re: Linux 5.3-rc8

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Message-ID: <20190916035228.GA1767@gondor.apana.org.au>
Date:   Mon, 16 Sep 2019 13:52:28 +1000
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     "Theodore Y. Ts'o" <tytso@....edu>
Cc:     torvalds@...ux-foundation.org, darwish.07@...il.com,
        adilger.kernel@...ger.ca, jack@...e.cz, rstrode@...hat.com,
        mccann@....edu, zachary@...shancloud.com,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Linux 5.3-rc8

Theodore Y. Ts'o <tytso@....edu> wrote:
>
> Ultimately, though, we need to find *some* way to fix userspace's
> assumptions that they can always get high quality entropy in early
> boot, or we need to get over people's distrust of Intel and RDRAND.
> Otherwise, future performance improvements in any part of the system
> which reduces the number of interrupts is always going to potentially
> result in somebody's misconfigured system or badly written
> applications to fail to boot.  :-(

Can we perhaps artifically increase the interrupt rate while the
CRNG is not initialised?

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt