From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Cc: kexec@lists.infradead.org, linux-ima-devel@lists.sourceforge.net,
linuxppc-dev@lists.ozlabs.org, x86@kernel.org,
linux-kernel@vger.kernel.org,
Eric Biederman <ebiederm@xmission.com>,
Dave Young <dyoung@redhat.com>, Vivek Goyal <vgoyal@redhat.com>,
Baoquan He <bhe@redhat.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Stewart Smith <stewart@linux.vnet.ibm.com>,
Mimi Zohar <zohar@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH v5 1/5] kexec_file: Include the purgatory segment in the kexec image checksum.
Date: Thu, 15 Sep 2016 11:43:08 +1000 [thread overview]
Message-ID: <20160915114308.19195f71@canb.auug.org.au> (raw)
In-Reply-To: <1473900890-1476-2-git-send-email-bauerman@linux.vnet.ibm.com>
Hi Thiago,
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 2a1f0ce7c59a..dcd1679f3005 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1792,6 +1792,11 @@ config SECCOMP
>
> source kernel/Kconfig.hz
>
> +# x86 needs to relocate the purgatory after the checksum is calculated,
> +# therefore the purgatory cannot be part of the kexec image checksum.
> +config ARCH_MODIFIES_KEXEC_PURGATORY
> + bool
> +
The above should probably be in arch/Kconfig (with an appropriately
changed comment) since it is used in generic code.
--
Cheers,
Stephen Rothwell
next prev parent reply other threads:[~2016-09-15 1:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-15 0:54 [PATCH v5 0/5] kexec_file: Add buffer hand-over for the next kernel Thiago Jung Bauermann
2016-09-15 0:54 ` [PATCH v5 1/5] kexec_file: Include the purgatory segment in the kexec image checksum Thiago Jung Bauermann
2016-09-15 1:43 ` Stephen Rothwell [this message]
2016-09-15 1:51 ` Thiago Jung Bauermann
2016-09-15 15:55 ` Thiago Jung Bauermann
2016-09-15 0:54 ` [PATCH v5 2/5] kexec_file: Add buffer hand-over support for the next kernel Thiago Jung Bauermann
2016-09-15 0:54 ` [PATCH v5 3/5] powerpc: " Thiago Jung Bauermann
2016-09-15 0:54 ` [PATCH v5 4/5] kexec_file: Add mechanism to update kexec segments Thiago Jung Bauermann
2016-09-15 0:54 ` [PATCH v5 5/5] IMA: Demonstration code for kexec buffer passing Thiago Jung Bauermann
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