Re: [PATCH 07/14] ARM: spectre-v2: add Cortex A8 and A15 validation of the IBE bit

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



* Russell King <rmk+kernel@xxxxxxxxxxxxxxx> [180521 12:09]:
> When the branch predictor hardening is enabled, firmware must have set
> the IBE bit in the auxiliary control register.  If this bit has not
> been set, the Spectre workarounds will not be functional.
> 
> Add validation that this bit is set, and print a warning at alert level
> if this is not the case.
> 
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
> Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>

Yup the alert is working:

Tested-by: Tony Lindgren <tony@xxxxxxxxxxx>
_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm



[Index of Archives]     [Linux KVM]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux