From: "Mattias Rönnblom" <mattias.ronnblom@ericsson.com>
To: Bruce Richardson <bruce.richardson@intel.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 2/2] build: add rdrand and rdseed checks to build
Date: Wed, 15 May 2019 18:53:24 +0200 [thread overview]
Message-ID: <cac73587-edf5-d93b-441b-c892d4256f37@ericsson.com> (raw)
In-Reply-To: <20190514133702.2993-2-bruce.richardson@intel.com>
On 2019-05-14 15:37, Bruce Richardson wrote:
> The meson build never checked for the presence of rdrand and rdseed
> instructions, while make build never checked for rdseed. Ensure builds
> always have the appropriate checks - and therefore defines - for these
> instructions. For runtime, we also add in rdseed to the list of known
> bits returned from cpuid() instruction, so we can confirm its presence at
> application init time.
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
Tested-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>
next prev parent reply other threads:[~2019-05-15 16:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-14 13:37 [dpdk-dev] [PATCH 1/2] build: shorten code for instruction set detection Bruce Richardson
2019-05-14 13:37 ` Bruce Richardson
2019-05-14 13:37 ` [dpdk-dev] [PATCH 2/2] build: add rdrand and rdseed checks to build Bruce Richardson
2019-05-14 13:37 ` Bruce Richardson
2019-05-15 16:53 ` Mattias Rönnblom [this message]
2019-05-15 16:53 ` Mattias Rönnblom
2019-06-03 22:23 ` Thomas Monjalon
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