Re: [PATCH v3 0/7] arm64: add system vulnerability sysfs entries

From: Stefan Wahren
Date: Tue Jan 15 2019 - 14:51:09 EST


Hi Jeremy,

> Jeremy Linton <jeremy.linton@xxxxxxx> hat am 10. Januar 2019 um 00:55 geschrieben:
>
>
> Arm64 machines should be displaying a human readable
> vulnerability status to speculative execution attacks in
> /sys/devices/system/cpu/vulnerabilities
>
> This series enables that behavior by providing the expected
> functions. Those functions expose the cpu errata and feature
> states, as well as whether firmware is responding appropriately
> to display the overall machine status. This means that in a
> heterogeneous machine we will only claim the machine is mitigated
> or safe if we are confident all booted cores are safe or
> mitigated.
>

i applied this v3 series and Marc's v2 series.

Now i'm getting the following on a Raspberry Pi 3 B+ :

meltdown:Not affected
spec_store_bypass:Not affected
spectre_v1:Mitigation: __user pointer sanitization

So the entries l1tf and spectre_v2 disappeared.

Stefan