On Mon, 2020-07-13 at 22:53 +0200, Francisco Blas Izquierdo Riera (klondike) wrote: > El 13/7/20 a las 22:07, Francisco Blas Izquierdo Riera (klondike) escribió: > > El 13/7/20 a las 21:27, Michał Górny escribió: > > > On Mon, 2020-07-13 at 19:33 +0200, Francisco Blas Izquierdo Riera > > > (klondike) wrote: > > > > El 13/7/20 a las 19:23, Michał Górny escribió: > > > > > On Mon, 2020-07-13 at 19:07 +0200, Francisco Blas Izquierdo Riera > > > > > (klondike) wrote: > > > > > > Hi! > > > > > > > > > > > > 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. > > > > > > > > > > > > Affected packages: > > > > > > dev-haskell/cryptonite > > > > > > dev-libs/json-c > > > > > > > > > > > I'm sorry but I haven't been following the big rdrand-AMD drama > > > > > closely. > > > > > Does the kernel mitigate broken RDRAND after resume these days? > > > > > > > > > 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. > > > > > > > Lemme rephrase: is this something we should be warning our users before > > > they enable the flag? I think we should aim to avoid the situation that > > > cpuid2cpuflags enables this behind user's backs and their programs > > > suddenly break as a result. > > You then mean the other rdrand bug. > > > > Yes, current stable linux kernel (5.4.48) in amd64 does include the patch, > > I'm uncertain about prior kernel branches though but I don't expect many > > users on that confluence. > > > > The patch: > > https://lore.kernel.org/linux-doc/776cb5c2d33e7fd0d2893904724c0e52b394f24a.1565817448.git.thomas.lenda...@amd.com/ > > The bug: https://bugzilla.kernel.org/show_bug.cgi?id=85911 > > > > > I have checked also stable versions for other kernel branches and all seem to > have the patch icluded. > >
LGTM then. -- Best regards, Michał Górny
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