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Date:      Mon, 8 Jan 2018 10:40:29 -0700
From:      markham breitbach <markham@ssimicro.com>
To:        FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   =?UTF-8?Q?Re:_Meltdown_=e2=80=93_Spectre?=
Message-ID:  <7844e5a4-2b94-2ada-62ea-4418f088043a@ssimicro.com>
In-Reply-To: <aa4bd069-1e7a-c06a-118a-72fdbb311109@kicp.uchicago.edu>
References:  <f9cc484e-be92-7aff-52fe-38655e85dbaa@columbus.rr.com> <CAH78cDqPnOUGoU=6x-BiugnpjmjYcd=CZS3fSNaX5tq-Uvma7g@mail.gmail.com> <bc9ad15b-a718-b901-76fa-bc43ce0c1f1a@columbus.rr.com> <3AECDC7F-8838-4C09-AC7F-117DFBAA326C@sigsegv.be> <20180108085756.GA3001@c720-r314251> <CAGBxaXnSRwtS=mbdsePyKvyZjTpu1tvo2O61SW60yQfdDJH4gA@mail.gmail.com> <48211515-cc6b-522b-ccd2-4d0c1f6a2072@columbus.rr.com> <CAGBxaXm=6NbZ+cz6WGB7YY7NT_+xOhdxb17ORTsQs5e7RvqKaQ@mail.gmail.com> <44279dcb-7b15-865a-ca71-938b3832d0e7@columbus.rr.com> <aa4bd069-1e7a-c06a-118a-72fdbb311109@kicp.uchicago.edu>

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>
> The fact that FreeBSD still works on this problem whereas Microsoft
> and Linux kernel folks already released their patches to me speaks
> highly of FreeBSD. FreeBSD appears to do really thorough job. As
> example, I would mention this: Linux (CentOS aka "binary replica" of
> RedHat Enterprise) often after releasing kernel patch, releases second
> kernel patch 2-3 days later. Which makes all who maintain parks of
> Linux machines and patch them promptly reboot the machines twice in a
> course of few days. There are special cases sometimes, but mostly this
> is indication of not thorough enough work. I don't remember similar
> things happen to FreeBSD. This pretty much reminds me how someone
> concluded that ATI does more thorough work on drivers compared to
> NVIDIA, pointing to the fact that ATI releases drivers only twice a
> year, whereas NVIDIA has to constantly release drivers updates: Monthly.
>
> Just my $0.02
>
> Valeri
>

It also appears that Microsoft and Linux a fair amount of extra lead
time.  I understand they were notified about this back in October ort
November, while FreeBSD did not get notified until December.

-M



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