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From: Baoquan He <bhe@redhat•com>
To: Eric DeVolder <eric.devolder@oracle•com>
Cc: chenhuacai@kernel•org, linux-ia64@vger•kernel.org,
	linux-sh@vger•kernel.org, peterz@infradead•org,
	catalin.marinas@arm•com, linus.walleij@linaro•org,
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	hpa@zytor•com, linux-riscv@lists•infradead.org, will@kernel•org,
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	masahiroy@kernel•org, rppt@kernel•org
Subject: Re: [PATCH v2 02/13] x86/kexec: refactor for kernel/Kconfig.kexec
Date: Tue, 20 Jun 2023 16:21:42 +0800	[thread overview]
Message-ID: <ZJFhlsFN6DxnWsQE@MiWiFi-R3L-srv> (raw)
In-Reply-To: <20230619145801.1064716-3-eric.devolder@oracle.com>

Hi Eric,

On 06/19/23 at 10:57am, Eric DeVolder wrote:
......
> +config ARCH_SUPPORTS_KEXEC
> +	def_bool y
>  
> -config ARCH_HAS_KEXEC_PURGATORY
> -	def_bool KEXEC_FILE
> +config ARCH_SUPPORTS_KEXEC_FILE
> +	def_bool X86_64 && CRYPTO && CRYPTO_SHA256
......  
> +config ARCH_SELECTS_KEXEC_FILE
> +	def_bool y
>  	depends on KEXEC_FILE
> -	help

I am a little confused about this ARCH_SELECTS_XX adding. Wondering what
limits us defining the ARCH_SUPPORTS_KEXEC_FILE like below? I have limited
knowledge about Kconfig, please correct me if I am wrong. Thanks in
advance.

 +config ARCH_SUPPORTS_KEXEC_FILE
 +	def_bool y
  	depends on KEXEC_FILE
  	depends on X86_64 && CRYPTO && CRYPTO_SHA256

> -
> -	  This option makes the kexec_file_load() syscall check for a valid
> -	  signature of the kernel image.  The image can still be loaded without
> -	  a valid signature unless you also enable KEXEC_SIG_FORCE, though if
> -	  there's a signature that we can check, then it must be valid.
> -
> -	  In addition to this option, you need to enable signature
> -	  verification for the corresponding kernel image type being
> -	  loaded in order for this to work.
> -


  reply	other threads:[~2023-06-21 18:33 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-19 14:57 [PATCH v2 00/13] refactor Kconfig to consolidate KEXEC and CRASH options Eric DeVolder
2023-06-19 14:57 ` [PATCH v2 01/13] kexec: consolidate kexec and crash options into kernel/Kconfig.kexec Eric DeVolder
2023-06-19 14:57 ` [PATCH v2 02/13] x86/kexec: refactor for kernel/Kconfig.kexec Eric DeVolder
2023-06-20  8:21   ` Baoquan He [this message]
2023-06-20 12:56     ` Eric DeVolder
2023-06-20 14:49       ` Baoquan He
2023-06-19 14:57 ` [PATCH v2 03/13] arm/kexec: " Eric DeVolder
2023-06-19 14:57 ` [PATCH v2 04/13] ia64/kexec: " Eric DeVolder
2023-06-19 14:57 ` [PATCH v2 05/13] arm64/kexec: " Eric DeVolder
2023-06-19 14:57 ` [PATCH v2 06/13] loongarch/kexec: " Eric DeVolder
2023-06-19 14:57 ` [PATCH v2 07/13] m68k/kexec: " Eric DeVolder
2023-06-19 14:57 ` [PATCH v2 08/13] mips/kexec: " Eric DeVolder
2023-06-20 12:52   ` Thomas Bogendoerfer
2023-06-20 15:09     ` Eric DeVolder
2023-06-19 14:57 ` [PATCH v2 09/13] parisc/kexec: " Eric DeVolder
2023-06-19 14:57 ` [PATCH v2 10/13] powerpc/kexec: " Eric DeVolder
2023-06-19 14:57 ` [PATCH v2 11/13] riscv/kexec: " Eric DeVolder
2023-06-19 14:58 ` [PATCH v2 12/13] s390/kexec: " Eric DeVolder
2023-06-21  5:00   ` Alexander Gordeev
2023-06-21 17:10     ` Eric DeVolder
2023-06-22 16:24       ` Alexander Gordeev
2023-06-22 17:51         ` Eric DeVolder
2023-06-21 22:22     ` Mimi Zohar
2023-06-19 14:58 ` [PATCH v2 13/13] sh/kexec: " Eric DeVolder
2023-06-19 18:21   ` John Paul Adrian Glaubitz
2023-06-20 15:10     ` Eric DeVolder

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