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Groups > linux.kernel > #1381385
| From | Mark Rutland <mark.rutland@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] arm64: dts: uniphier: add /memreserve/ for spin-table release address |
| Date | 2016-04-18 10:50 +0200 |
| Message-ID | <rpd2y-2oe-19@gated-at.bofh.it> (permalink) |
| References | <roglQ-7dz-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Sat, Apr 16, 2016 at 02:58:58AM +0900, Masahiro Yamada wrote:
> As Documentation/arm64/booting.txt says, the cpu-release-addr
> location should be reserved.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> ---
>
> arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
> index 651c9d9..90909d2 100644
> --- a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
> +++ b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
> @@ -42,6 +42,8 @@
> * OTHER DEALINGS IN THE SOFTWARE.
> */
>
> +/memreserve/ 0x80000100 0x00000008;
> +
Please add a comment above the memreserve to mention what it is
protecting. That helps to avoid having this cargo-culted to cases where
it is not needed.
I take it that the code for the spin-table is not in RAM, and does not
need to be protected similarly?
Assuming so:
Acked-by: Mark Rutland <mark.rutland@arm.com>
Thanks,
Mark.
> / {
> compatible = "socionext,ph1-ld20";
> #address-cells = <2>;
> --
> 1.9.1
>
> --
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[PATCH] arm64: dts: uniphier: add /memreserve/ for spin-table release address Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-04-15 20:10 +0200
Re: [PATCH] arm64: dts: uniphier: add /memreserve/ for spin-table release address Mark Rutland <mark.rutland@arm.com> - 2016-04-18 10:50 +0200
Re: [PATCH] arm64: dts: uniphier: add /memreserve/ for spin-table release address Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-04-18 11:00 +0200
Re: [PATCH] arm64: dts: uniphier: add /memreserve/ for spin-table release address Mark Rutland <mark.rutland@arm.com> - 2016-04-18 11:10 +0200
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