[PATCH 0/4] Makedumpfile: Add 5-level paging support

Masaki Tachibana mas-tachibana at vf.jp.nec.com
Wed Apr 11 21:42:19 PDT 2018


Hi Baoquan,

Sorry for the late reply.
I'll merge the patches into V1.6.4.
However, I need time to acknowledge formally.
Please wait some weeks.

Thanks
Tachibana

> -----Original Message-----
> From: Baoquan He [mailto:bhe at redhat.com]
> Sent: Thursday, April 12, 2018 11:45 AM
> To: Tachibana Masaki() <mas-tachibana at vf.jp.nec.com>; Hayashi Masahiko() <mas-hayashi at tg.jp.nec.com>;
> Nakayama Takuya() <tak-nakayama at tg.jp.nec.com>
> Cc: douly.fnst at cn.fujitsu.com; indou.takao at jp.fujitsu.com; kexec at lists.infradead.org
> Subject: Re: [PATCH 0/4] Makedumpfile: Add 5-level paging support
> 
> Hi Tachibana, Nakayama,
> 
> Ping!
> 
> Now 5-level suport on x86 64 has been merged into 4.16, do we have plan
> to merge this patchset? Or defer to a certain phase?
> 
> Thanks
> Baoquan
> 
> On 03/02/18 at 01:48pm, Baoquan He wrote:
> > Kernel has 5-level paging support and now can support boot-time
> > switching between 4/5-level paging mode. This patchset is used to add
> > 5-level paging support in makedumpfile.
> >
> > A kernel fix is posted to export 'pgtable_l5_enabled' to tell if
> > the corrupted kernel is in 5-level paging mode.
> > https://patchwork.kernel.org/patch/10253399/
> >
> > Patch 0001 and 0004 were made by Dou Liyang. While it doesn't work on
> > the latest 5-level code. So add patch 0002 to introduce 'pgtable_l5_enabled'.
> > Change and take out the function check_5level_paging() from dou's old
> > patch and add it into patch 0003. Except of these, don't touch other
> > part of dou's patches.
> >
> > Thanks, dou, for the effort!
> >
> > Baoquan He (2):
> >   Makedumpfile: Add pgtable_l5_enabled to number_table
> >   Makedumpfile: Add a new function check_5level_paging()
> >
> > Dou Liyang (2):
> >   arch/x86_64: Cleanup the address translation of the 4-level page
> >     tables
> >   arch/x86_64: Add 5-level paging support
> >
> >  arch/x86_64.c  | 130 +++++++++++++++++++++++++++++++++++++++++----------------
> >  makedumpfile.c |   3 ++
> >  makedumpfile.h |  39 +++++++++++------
> >  3 files changed, 123 insertions(+), 49 deletions(-)
> >
> > --
> > 2.13.6
> >





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