From: Rich Freeman <rich0@gentoo.org>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Re: Kernel 4.14.14 has meltdown / spectre info in /sys
Date: Thu, 18 Jan 2018 15:43:21 -0500 [thread overview]
Message-ID: <CAGfcS_k0rNvfupL9t-mMp=EofzGh_HwJ8FLHP+mmCZs1X5bdPg@mail.gmail.com> (raw)
In-Reply-To: <20180118193136.zyvp2aebdeqlafuw@matica.foolinux.mooo.com>
On Thu, Jan 18, 2018 at 2:31 PM, Ian Zimmerman <itz@very.loosely.org> wrote:
> On 2018-01-18 19:28, Adam Carter wrote:
>
>> Nice;
>>
>> $ ls /sys/devices/system/cpu/vulnerabilities/
>> meltdown spectre_v1 spectre_v2
>> $ cat /sys/devices/system/cpu/vulnerabilities/meltdown
>> Mitigation: PTI
>> $ cat /sys/devices/system/cpu/vulnerabilities/spectre_v1
>> Vulnerable
>> $ cat /sys/devices/system/cpu/vulnerabilities/spectre_v2
>> Vulnerable: Minimal generic ASM retpoline
>
> So has 4.9.77, but it's dumb:
>
> matica!3 ~$ cat /sys/devices/system/cpu/vulnerabilities/meltdown
> Vulnerable
> matica!4 ~$ cat /sys/devices/system/cpu/vulnerabilities/spectre_v1
> Vulnerable
> matica!5 ~$ cat /sys/devices/system/cpu/vulnerabilities/spectre_v2
> Vulnerable: Minimal AMD ASM retpoline
>
> (AMD is not affected by Meltdown)
>
On my Ryzen 5-1600 I get:
cat /sys/devices/system/cpu/vulnerabilities/meltdown
Not affected
I'm not sure why you're getting a vulnerable message.
--
Rich
next prev parent reply other threads:[~2018-01-18 20:43 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-18 8:28 [gentoo-user] Kernel 4.14.14 has meltdown / spectre info in /sys Adam Carter
2018-01-18 18:31 ` [gentoo-user] " Nikos Chantziaras
2018-01-29 9:19 ` [gentoo-user] PSA: GCC 7.3 allows to build kernel with full Spectre v2 mitigation Nikos Chantziaras
2018-01-29 15:02 ` Rich Freeman
2018-01-18 19:31 ` [gentoo-user] Re: Kernel 4.14.14 has meltdown / spectre info in /sys Ian Zimmerman
2018-01-18 20:43 ` Rich Freeman [this message]
2018-01-18 21:21 ` Adam Carter
2018-01-18 21:22 ` Adam Carter
2018-01-18 22:17 ` Ian Zimmerman
2018-01-18 23:50 ` Adam Carter
2018-01-24 21:51 ` Ian Zimmerman
2018-01-25 6:39 ` Adam Carter
2018-01-25 12:43 ` Rich Freeman
2018-01-22 1:41 ` Corbin Bird
2018-01-22 2:11 ` Rich Freeman
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