From: bauerman@linux.vnet.ibm.com (Thiago Jung Bauermann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v21 8/8] Documentation: dt: usable-memory and elfcorehdr nodes for arm64 kexec
Date: Wed, 06 Jul 2016 16:29:18 -0300 [thread overview]
Message-ID: <6483018.WWW2TSJB10@hactar> (raw)
In-Reply-To: <20160706075226.27609-9-takahiro.akashi@linaro.org>
Hi,
Am Mittwoch, 06 Juli 2016, 16:52:26 schrieb AKASHI Takahiro:
> +linux,usable-memory
> +-------------------
> +
> +This property is set on PowerPC and arm64 by kexec-tools during kdump
> +to tell the crash kernel the base address of its reserved area of memory,
> and +the size. e.g.
> +
> +/ {
> + chosen {
> + linux,usable-memory = <0x9 0xf0000000 0x0 0x10000000>;
> + };
> +};
Again, this description is wrong for PowerPC. See messages from myself and
Michael Ellerman:
https://lists.infradead.org/pipermail/kexec/2016-June/016250.html
https://lists.infradead.org/pipermail/kexec/2016-June/016253.html
IMHO, it would be simpler if ARM used linux,usable-memory in the same way
that PowerPC does, for consistency.
--
[]'s
Thiago Jung Bauermann
IBM Linux Technology Center
next prev parent reply other threads:[~2016-07-06 19:29 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-06 7:52 [PATCH v21 0/8] arm64: kdump support AKASHI Takahiro
2016-07-06 7:52 ` [PATCH v21 1/8] arm64: kdump: reserve memory for crash dump kernel AKASHI Takahiro
2016-07-06 17:00 ` Geoff Levand
2016-07-07 0:19 ` AKASHI Takahiro
2016-07-06 18:11 ` Thiago Jung Bauermann
2016-07-07 1:17 ` AKASHI Takahiro
2016-07-06 7:52 ` [PATCH v21 2/8] arm64: limit memory regions based on DT property, usable-memory AKASHI Takahiro
2016-07-06 17:48 ` Geoff Levand
2016-07-06 7:52 ` [PATCH v21 3/8] arm64: kdump: implement machine_crash_shutdown() AKASHI Takahiro
2016-07-06 17:28 ` Geoff Levand
2016-07-07 0:43 ` AKASHI Takahiro
2016-07-07 16:42 ` Geoff Levand
2016-07-06 7:52 ` [PATCH v21 4/8] arm64: kdump: add kdump support AKASHI Takahiro
2016-07-06 17:38 ` Geoff Levand
2016-07-07 0:49 ` AKASHI Takahiro
2016-07-06 7:52 ` [PATCH v21 5/8] arm64: kdump: add VMCOREINFO's for user-space coredump tools AKASHI Takahiro
2016-07-06 7:52 ` [PATCH v21 6/8] arm64: kdump: enable kdump in the arm64 defconfig AKASHI Takahiro
2016-07-06 7:52 ` [PATCH v21 7/8] arm64: kdump: update a kernel doc AKASHI Takahiro
2016-07-06 17:44 ` Geoff Levand
2016-07-07 0:51 ` AKASHI Takahiro
2016-07-06 7:52 ` [PATCH v21 8/8] Documentation: dt: usable-memory and elfcorehdr nodes for arm64 kexec AKASHI Takahiro
2016-07-06 17:46 ` Geoff Levand
2016-07-06 19:29 ` Thiago Jung Bauermann [this message]
2016-07-07 2:00 ` AKASHI Takahiro
2016-07-07 18:46 ` Thiago Jung Bauermann
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