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From: Dan Gora <dg@adax.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "Sanford, Robert" <rsanford@akamai.com>,
	"users@dpdk.org" <users@dpdk.org>
Subject: Re: meson options - build vs target machine cpuflags question
Date: Thu, 10 Mar 2022 23:45:39 -0300
Message-ID: <CAGyogRbbr_+Y2GwDk+rR7noS=xEW5wHF-CqmGOv51yeDTdnYNw@mail.gmail.com> (raw)
In-Reply-To: <20220310171854.272f459b@hermes.local>

On Thu, Mar 10, 2022 at 10:19 PM Stephen Hemminger
<stephen@networkplumber.org> wrote:
>
> The ideal solution would be able to use gcc function attributes and dyanmic
> linking to do this at runtime - ie multiversion library.  But this opens a set
> of different problems like compiler versions and testing.

Detecting RDSEED at run time doesn't require any of that, but working
around the possible absence of getentropy() does.  However none of my
proposed solutions, including dynamic linking was deemed suitable.. or
something, so I gave up.

  reply	other threads:[~2022-03-11  2:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-10 14:46 Sanford, Robert
2022-03-10 22:54 ` Dan Gora
2022-03-10 22:58   ` Dan Gora
2022-03-10 23:39     ` Sanford, Robert
2022-03-11  0:00       ` Dan Gora
2022-03-11  1:18   ` Stephen Hemminger
2022-03-11  2:45     ` Dan Gora [this message]
2022-03-11  3:01       ` Stephen Hemminger

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