On Tue, Apr 30, 2019 at 4:39 PM Will Deacon <will.dea...@arm.com> wrote:
>
> On Tue, Apr 30, 2019 at 04:05:04PM +0530, Arun KS wrote:
> > __early_cpu_boot_status is of type long. Use quad
> > assembler directive to allocate proper size.
> >
> > Signed-off-by: Arun KS <aru...@codeaurora.org>
> > ---
> >  arch/arm64/kernel/head.S | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
> > index eecf792..115f332 100644
> > --- a/arch/arm64/kernel/head.S
> > +++ b/arch/arm64/kernel/head.S
> > @@ -684,7 +684,7 @@ ENTRY(__boot_cpu_mode)
> >   * with MMU turned off.
> >   */
> >  ENTRY(__early_cpu_boot_status)
> > -     .long   0
> > +     .quad   0
>
> Yikes. How did you spot this? Did we end up corrupting an adjacent variable,
> or does the alignment in the linker script save us in practice?

Rite now there is no adjacent variable. But I was adding one and it
was getting corrupted.

Regards,
Arun
>
> Will

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