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From: Baoquan He <bhe@redhat.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
	Kees Cook <keescook@chromium.org>,
	Vivek Goyal <vgoyal@redhat.com>,
	Andy Lutomirski <luto@amacapital.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 7/9] get the random phy addr according to slot_area info
Date: Thu, 5 Mar 2015 09:55:13 +0800	[thread overview]
Message-ID: <20150305015513.GB8192@dhcp-16-105.nay.redhat.com> (raw)
In-Reply-To: <CAE9FiQVgBDaEcam-mOMmGtTfJg9239tfumrtANPrLWV2dereAw@mail.gmail.com>

On 03/04/15 at 04:12pm, Yinghai Lu wrote:
> On Wed, Mar 4, 2015 at 1:35 PM, Yinghai Lu <yinghai@kernel.org> wrote:
> > On Wed, Mar 4, 2015 at 7:39 AM, Baoquan He <bhe@redhat.com> wrote:
> >>
> >> I got the reason and made a debug patch to fix it. Could you please
> >> apply it on top of this patchset and try again? Then it will behave well
> >> and just return 0x13c000000 since no random is got.
> >
> > random_base can not be move down?
> >
> 
> Modify the min_addr will allow move down, and it is safe as we put all
> related into mem_avoid now.

I am considering this random_base issue, but planned to do it after the
main work is done. I am wondering why not set it as 16M since all
related has been avoided and safe?

> 
> 
> https://git.kernel.org/cgit/linux/kernel/git/yinghai/linux-yinghai.git/log/?h=for-x86-4.0-rc2-aslr
> 
> for updated patches.
> 
> Your patches still have some format warning, Please use
> ./scripts/checkpatch.pl
> to find them and fix them before next post.
> 
> Also patch should have "x86,kasl" in the title.

Yes, will do.

Thanks
Baoquan

  reply	other threads:[~2015-03-05  1:57 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-02 14:58 [PATCH v2 0/9] randomize kernel physical address and virtual address separately Baoquan He
2015-03-02 14:58 ` [PATCH v2 1/9] remove a unused function parameter Baoquan He
2015-03-03 18:32   ` Yinghai Lu
2015-03-04 15:48     ` Baoquan He
2015-03-02 14:58 ` [PATCH v2 2/9] a bug that relocation can not be handled when kernel is loaded above 2G Baoquan He
2015-03-02 14:58 ` [PATCH v2 3/9] make kernel be able to load above 4G in boot stage Baoquan He
2015-03-02 15:58   ` Baoquan He
2015-03-02 14:58 ` [PATCH v2 4/9] introduce struct slot_area to manage randomization slot info Baoquan He
2015-03-02 14:58 ` [PATCH v2 5/9] add mem_min_overlap to find the first avoid region within a memory region Baoquan He
2015-03-02 14:58 ` [PATCH v2 6/9] change process_e820_entry to store slot info into slot_area Baoquan He
2015-03-02 14:58 ` [PATCH v2 7/9] get the random phy addr according to slot_area info Baoquan He
2015-03-03  8:45   ` Yinghai Lu
2015-03-03 11:42     ` Baoquan He
2015-03-03 16:14       ` Yinghai Lu
2015-03-04 12:08         ` Baoquan He
2015-03-04 15:39     ` Baoquan He
2015-03-04 21:35       ` Yinghai Lu
2015-03-05  0:12         ` Yinghai Lu
2015-03-05  1:55           ` Baoquan He [this message]
2015-03-05  0:30       ` Yinghai Lu
2015-03-05  1:48         ` Baoquan He
2015-03-04 21:28   ` Kees Cook
2015-03-04 23:43     ` Baoquan He
2015-03-02 14:58 ` [PATCH v2 8/9] introduce fetch_random_virt_offset to randomize the kernel text mapping address Baoquan He
2015-03-02 14:58 ` [PATCH v2 9/9] change the relocations behavior for kaslr on x86_64 Baoquan He
2015-03-04 23:16   ` Yinghai Lu
2015-03-04 23:41     ` Baoquan He
2015-03-05 15:57 ` [PATCH v2 0/9] randomize kernel physical address and virtual address separately Baoquan He
2015-03-06  1:37   ` Yinghai Lu

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