Re: [stable:PATCH v5.10.105] arm64: kvm: Fix copy-and-paste error in bhb templates for v5.10 stable

From: Pavel Machek
Date: Thu Mar 17 2022 - 06:05:14 EST


Hi!

> > KVM's infrastructure for spectre mitigations in the vectors in v5.10 and
> > earlier is different, it uses templates which are used to build a set of
> > vectors at runtime.
> >
> > There are two copy-and-paste errors in the templates: __spectre_bhb_loop_k24
> > should loop 24 times and __spectre_bhb_loop_k32 32.
> >
> > Fix these.

> > @@ -68,7 +68,7 @@ SYM_DATA_START(__spectre_bhb_loop_k24)
> > esb
> > sub sp, sp, #(8 * 2)
> > stp x0, x1, [sp, #(8 * 0)]
> > - mov x0, #8
> > + mov x0, #24
> > 2: b . + 4
> > subs x0, x0, #1
> > b.ne 2b
>
> Thanks, now queued up!

Thank you.

Reviewed-by: Pavel Machek <pavel@xxxxxxx>
Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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