[PATCH 5/6] ARM: spectre-bhb: avoid cross-subsection jump using a numbered label

Ard Biesheuvel ardb at kernel.org
Thu Mar 31 09:22:43 PDT 2022


On Thu, 31 Mar 2022 at 16:07, Russell King (Oracle)
<linux at armlinux.org.uk> wrote:
>
> On Mon, Mar 28, 2022 at 03:47:13PM +0200, Ard Biesheuvel wrote:
> > In order to minimize potential confusion regarding numbered labels
> > appearing in a different order in the assembler output due to the use of
> > subsections, use a named local label to jump back into the vector
> > handler code from the associated loop8 mitigation sequence.
>
> Using \@ doesn't buy us much as \name is already unique. Maybe using
> some kind of prefix would be better, e.g. .Lfoo_\name would be more
> descriptive?
>

Fair point. I'll fix that.



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