linux-kernel - Re: [PATCH 1/2] ARM: zynq: support smp in thumb mode

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Message-ID: <CAHbBuxosAnWdpee8jS7feR06+KF_PjOiTF2+PsiMnMAjwfUFKw@mail.gmail.com>
Date:   Tue, 6 Aug 2019 08:40:37 -0400
From:   Luis Araneda <luaraneda@...il.com>
To:     Michal Simek <michal.simek@...inx.com>
Cc:     Russell King <linux@...linux.org.uk>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: zynq: support smp in thumb mode

Hi,

On Tue, Aug 6, 2019 at 2:39 AM Michal Simek <michal.simek@...inx.com> wrote:
>
> On 06. 08. 19 5:07, Luis Araneda wrote:
> > Add .arm directive to headsmp.S to ensure that the
> > CPU starts in 32-bit ARM mode and the correct code
> > size is copied on smp bring-up
> >
> > Additionally, start secondary CPUs on secondary_startup_arm
> > to automatically switch from ARM to thumb on a thumb kernel
[...]
>
> It is really a question if this should go to stable tree. It is pretty
> much new feature.
> Will be good to also add link to similar patch for example this one
> 5616f36713ea77f57ae908bf2fef641364403c9f.

Ok, I'm dropping stable from CC. From the previous comments, I thought
that the two patches were part of the same fix, but now I realized
this is a feature rather than a fix.

Michal, do you want a new version with the link to the similar patch
or would you take it in its current form?

Thanks,
Luis Araneda.