From: olof@lixom.net (Olof Johansson)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] ARM: ux500: simplify secondary CPU boot
Date: Thu, 6 Aug 2015 10:11:30 +0200 [thread overview]
Message-ID: <20150806081130.GC16520@localhost> (raw)
In-Reply-To: <1438586812-30164-1-git-send-email-linus.walleij@linaro.org>
On Mon, Aug 03, 2015 at 09:26:52AM +0200, Linus Walleij wrote:
> This removes a lot of ancient cruft from the Ux500 SMP boot.
> Instead of the pen grab/release, just point the ROM to
> secondary_boot() and start the second CPU there, then send
> the IPI.
>
> Use our own SMP enable method. This enables us to remove the
> last static mapping and get both CPUs booting properly.
>
> Tested this and it just works.
>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> Hi ARM SoC folks: please apply this to fixes for v4.2. I was
> intending it for v4.3 but we might as well just kill off the
> legacy boot method right now so we do not need to restore any
> static maps and undo the cleanup (which would be just as
> invasive).
It's a bit late in the cycle for that. I'll apply it in cleanup for 4.3 though.
-Olof
next prev parent reply other threads:[~2015-08-06 8:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-03 7:26 [PATCH 2/2] ARM: ux500: simplify secondary CPU boot Linus Walleij
2015-08-06 8:11 ` Olof Johansson [this message]
2015-08-06 14:40 ` Linus Walleij
2015-08-06 15:18 ` Olof Johansson
-- strict thread matches above, loose matches on Subject: below --
2015-07-31 12:22 Linus Walleij
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