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From: Geoff Levand <geoff@infradead.org>
To: AKASHI Takahiro <takahiro.akashi@linaro.org>,
	catalin.marinas@arm.com, will.deacon@arm.com
Cc: kexec@lists.infradead.org, james.morse@arm.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v21 7/8] arm64: kdump: update a kernel doc
Date: Wed, 06 Jul 2016 10:44:27 -0700	[thread overview]
Message-ID: <1467827067.8880.43.camel@infradead.org> (raw)
In-Reply-To: <20160706075226.27609-8-takahiro.akashi@linaro.org>

On Wed, 2016-07-06 at 16:52 +0900, AKASHI Takahiro wrote:
> --- a/Documentation/kdump/kdump.txt
> +++ b/Documentation/kdump/kdump.txt
> @@ -18,7 +18,7 @@ memory image to a dump file on the local disk, or across the network to
>  a remote system.
>  
>  Kdump and kexec are currently supported on the x86, x86_64, ppc64, ia64,
> -s390x and arm architectures.
> +s390x, arm and arm64 architectures.
>  
>  When the system kernel boots, it reserves a small section of memory for
>  the dump-capture kernel. This ensures that ongoing Direct Memory Access
> @@ -249,6 +249,13 @@ Dump-capture kernel config options (Arch Dependent, arm)
>  
>      AUTO_ZRELADDR=y
>  
> +Dump-capture kernel config options (Arch Dependent, arm64)
> +----------------------------------------------------------
> +
> +- Please note that kvm at the dump-capture kernel will not be enabled

kvm of the dump-capture kernel

> +  on non-VHE system even if it is configured. This is because we have

on non-VHE systems

> +  no chance to reset CPU state to EL2 on panic.

This is because the CPU state cannot be reset to EL2 on panic.




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  reply	other threads:[~2016-07-06 17:44 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 [this message]
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
2016-07-07  2:00     ` AKASHI Takahiro
2016-07-07 18:46       ` Thiago Jung Bauermann

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