From: Baoquan He <bhe@redhat.com>
To: Dave Young <dyoung@redhat.com>
Cc: ats-kumagai@wm.jp.nec.com, kexec@lists.infradead.org,
thgarnie@google.com
Subject: Re: [PATCH 0/3] makedumpfile: Add support of mm randomization
Date: Thu, 22 Sep 2016 16:57:15 +0800 [thread overview]
Message-ID: <20160922085715.GA378@x1> (raw)
In-Reply-To: <20160922084848.GA18964@dhcp-128-65.nay.redhat.com>
On 09/22/16 at 04:48pm, Dave Young wrote:
> Fix email address of Atsushi Kumagai..
>
> On 09/22/16 at 04:45pm, Dave Young wrote:
> > Hi, Baoquan
> >
> > On 08/29/16 at 04:54pm, Baoquan He wrote:
> > > Hi Atsushi and Thomas,
Did you apply below kexec patch either?
kexec/arch/i386: Add support for KASLR memory randomization
Please search it in kexec mailing list, Thomas posted it.
> > >
> > > This is a draft patchset. I just checked x86_64 implementation according to
> > > Thomas's mm randomization related patches. Not sure if this will affect
> > > other ARCH or XEN. Especially for patch 1/3 and patch 2/3, just a original
> > > idea. I tested on x86_64, passed.
> > >
> > > And also kernel patch need be adjusted so that number_table.X of makedumpfile
> > > can be used. Will add comment to Thomas's kernel patch.
> > >
> > > Baoquan He (3):
> > > makedumpfile: Get info->kernel_version from SYMBOL(init_uts_ns)
> > > earlier
> > > makedumpfile: Move get_versiondep_info calling earlier
> > > makedumpfile: Add support for MM randomization
> > >
> > > arch/x86_64.c | 26 +++++++++-----------------
> > > makedumpfile.c | 45 ++++++++++++++++++++++++++++++++++++---------
> > > makedumpfile.h | 3 +++
> > > 3 files changed, 48 insertions(+), 26 deletions(-)
> > >
> >
> > With these patch applied, I still get a makedumpfile failure below in Fedora:
> > Kernel applied your patch to export the 3 symbols.
> >
> > kdump: saving vmcore-dmesg.txt complete
> > kdump: saving vmcore
> > kdump: saving vmcore failed
> > [FAILED] Failed to start Kdump Vmcore Save Service.
> >
> > Thanks
> > Dave
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next prev parent reply other threads:[~2016-09-22 8:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-29 8:54 [PATCH 0/3] makedumpfile: Add support of mm randomization Baoquan He
2016-08-29 8:54 ` [PATCH 1/3] makedumpfile: Get info->kernel_version from SYMBOL(init_uts_ns) earlier Baoquan He
2016-08-29 8:54 ` [PATCH 2/3] makedumpfile: Move get_versiondep_info calling earlier Baoquan He
2016-08-29 8:54 ` [PATCH 3/3] makedumpfile: Add support for MM randomization Baoquan He
2016-08-31 7:56 ` Atsushi Kumagai
2016-09-30 4:56 ` Baoquan He
2016-10-04 1:40 ` Atsushi Kumagai
2016-10-04 13:09 ` Baoquan He
2016-08-29 9:03 ` [PATCH 0/3] makedumpfile: Add support of mm randomization Baoquan He
2016-09-22 8:45 ` Dave Young
2016-09-22 8:48 ` Dave Young
2016-09-22 8:57 ` Baoquan He [this message]
2016-09-22 9:03 ` Dave Young
2016-09-22 9:07 ` Baoquan He
2016-09-23 2:38 ` Dave Young
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