Gentoo Archives: gentoo-dev

From: "Francisco Blas Izquierdo Riera (klondike)" <klondike@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] [PATCH 0/4] CPU_FLAGS_X86: Introduce 'rdrand' flag
Date: Mon, 13 Jul 2020 17:33:55
Message-Id: 9ac4bc50-f7e8-9c74-0c05-5015cb0386c3@gentoo.org
In Reply to: Re: [gentoo-dev] [PATCH 0/4] CPU_FLAGS_X86: Introduce 'rdrand' flag by "Michał Górny"
1 El 13/7/20 a las 19:23, Michał Górny escribió:
2 > On Mon, 2020-07-13 at 19:07 +0200, Francisco Blas Izquierdo Riera
3 > (klondike) wrote:
4 >> Hi!
5 >>
6 >> We have currently two packages that have USE cpu-flags-x86-rdrand as there is no USE_EXPAND version available. This pattern is likely to confuse users as they may not be aware of the difference between dashes and underscores.
7 >>
8 >> Affected packages:
9 >> dev-haskell/cryptonite
10 >> dev-libs/json-c
11 >>
12 > I'm sorry but I haven't been following the big rdrand-AMD drama closely.
13 > Does the kernel mitigate broken RDRAND after resume these days?
14 >
15 AGESA patches do exist to address this issue: https://www.reddit.com/r/Amd/comments/cmza34/agesa_1003_abb_fixes_rdrandrdseed/ I suspect AMD microcode does too.

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Re: [gentoo-dev] [PATCH 0/4] CPU_FLAGS_X86: Introduce 'rdrand' flag "Michał Górny" <mgorny@g.o>