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From: James Morse <james.morse@arm.com>
To: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: catalin.marinas@arm.com, will.deacon@arm.com,
	dhowells@redhat.com, vgoyal@redhat.com,
	herbert@gondor.apana.org.au, davem@davemloft.net,
	dyoung@redhat.com, bhe@redhat.com, arnd@arndb.de,
	ard.biesheuvel@linaro.org, bhsharma@redhat.com,
	kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v10 07/14] arm64: enable KEXEC_FILE config
Date: Tue, 3 Jul 2018 17:33:20 +0100	[thread overview]
Message-ID: <9545cb7f-9648-660a-f034-a94f186a8224@arm.com> (raw)
In-Reply-To: <20180623022058.10935-8-takahiro.akashi@linaro.org>

Hi Akashi,

On 23/06/18 03:20, AKASHI Takahiro wrote:
> Modify arm64/Kconfig to enable kexec_file_load support.

> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 42c090cf0292..f68318f61c85 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -835,6 +835,16 @@ config KEXEC
>  	  but it is independent of the system firmware.   And like a reboot
>  	  you can start any kernel with it, not just Linux.
>  
> +config KEXEC_FILE
> +	bool "kexec file based system call"
> +	select KEXEC_CORE
> +	select BUILD_BIN2C

Wasn't BIN2C only needed for purgatory?

x86/powerpc/s390 all select CRYPTO_SHA256 here, presumably for arch-specific
verification mechanisms. I assume we're using SIGNED_PE_FILE_VERIFICATION instead.


> +	help
> +	  This is new version of kexec system call. This system call is
> +	  file based and takes file descriptors as system call argument
> +	  for kernel and initramfs as opposed to list of segments as
> +	  accepted by previous system call.
> +
>  config CRASH_DUMP
>  	bool "Build kdump crash kernel"
>  	help


Acked-by: James Morse <james.morse@arm.com>


Thanks,

James

  reply	other threads:[~2018-07-03 16:33 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-23  2:20 [PATCH v10 00/14] arm64: kexec: add kexec_file_load() support AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 01/14] asm-generic: add kexec_file_load system call to unistd.h AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 02/14] kexec_file: make kexec_image_post_load_cleanup_default() global AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 03/14] powerpc, kexec_file: factor out memblock-based arch_kexec_walk_mem() AKASHI Takahiro
2018-07-03 16:36   ` James Morse
2018-07-09  5:49     ` AKASHI Takahiro
2018-07-09 11:03       ` James Morse
2018-06-23  2:20 ` [PATCH v10 04/14] of/fdt: add helper functions for handling properties AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 05/14] arm64: add image head flag definitions AKASHI Takahiro
2018-07-03 16:34   ` James Morse
2018-06-23  2:20 ` [PATCH v10 06/14] arm64: cpufeature: add MMFR0 helper functions AKASHI Takahiro
2018-07-03 16:33   ` James Morse
2018-06-23  2:20 ` [PATCH v10 07/14] arm64: enable KEXEC_FILE config AKASHI Takahiro
2018-07-03 16:33   ` James Morse [this message]
2018-07-09  6:31     ` AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 08/14] arm64: kexec_file: load initrd and device-tree AKASHI Takahiro
2018-07-03 16:32   ` James Morse
2018-07-10  7:37     ` AKASHI Takahiro
2018-07-10 15:25       ` James Morse
2018-07-11  2:49         ` AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 09/14] arm64: kexec_file: allow for loading Image-format kernel AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 10/14] arm64: kexec_file: add crash dump support AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 11/14] arm64: kexec_file: invoke the kernel without purgatory AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 12/14] include: pe.h: remove message[] from mz header definition AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 13/14] arm64: kexec_file: add kernel signature verification support AKASHI Takahiro
2018-07-03 17:47   ` James Morse
2018-07-09  9:01     ` AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 14/14] arm64: kexec_file: add kaslr support AKASHI Takahiro

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