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From: Ingo Molnar <mingo@kernel.org>
To: Masayoshi Mizuma <msys.mizuma@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	x86@kernel.org, Baoquan He <bhe@redhat.com>,
	Borislav Petkov <bp@alien8.de>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 0/3] Add a kernel parameter to change the padding size for KASLR
Date: Wed, 3 Oct 2018 08:52:19 +0200	[thread overview]
Message-ID: <20181003065219.GA28386@gmail.com> (raw)
In-Reply-To: <20181003013323.4162-1-msys.mizuma@gmail.com>


* Masayoshi Mizuma <msys.mizuma@gmail.com> wrote:

> This patch series are adding an kernel parameter to change
> the padding size used for KASLR. It is useful for memory hotplug
> capable system. User can adjust the padding size to use it.
> 
> It is better if the padding size is calculated automatically,
> however, ACPI SRAT is not available at the KASLR initialization
> time. So, I add a message for user to tell the suitable padding
> size. User can set it on next reboot.
> 
> This patch series don't change the current default padding size.
> 
> Change log from v5:
>  - Fix build error if CONFIG_RANDOMIZE_MEMORY is not defined.

Please send a delta patch on top of tip:x86/boot with the get_rand_mem_physical_padding() fix, 
when doing that you'll see that I did some minor cleanups when applying the patches which your 
v6 series undoes.

Thanks,

	Ingo

  parent reply	other threads:[~2018-10-03  6:52 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-03  1:33 [PATCH v6 0/3] Add a kernel parameter to change the padding size for KASLR Masayoshi Mizuma
2018-10-03  1:33 ` [PATCH v6 1/3] x86/mm: Add a kernel parameter to change the padding used for the physical memory mapping Masayoshi Mizuma
2018-10-03  1:33 ` [PATCH v6 2/3] ACPI/NUMA: Add warning message if the padding size for KASLR is not enough Masayoshi Mizuma
2018-10-03  1:33 ` [PATCH v6 3/3] Documentation/kernel-parameters.txt: Document rand_mem_physical_padding= Masayoshi Mizuma
2018-10-03  6:52 ` Ingo Molnar [this message]
2018-10-03 11:00   ` [PATCH v6 0/3] Add a kernel parameter to change the padding size for KASLR Masayoshi Mizuma

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