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Groups > linux.kernel > #1614053
| From | Boris Ostrovsky <boris.ostrovsky@oracle.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] xen,kdump: handle pv domain in paddr_vmcoreinfo_note() |
| Date | 2017-03-31 16:10 +0200 |
| Message-ID | <tr5pv-5Cr-5@gated-at.bofh.it> (permalink) |
| References | <tr1OV-3i8-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 03/31/2017 06:14 AM, Juergen Gross wrote: > For kdump to work correctly it needs the physical address of > vmcoreinfo_note. When running as dom0 this means the virtual address > has to be translated to the related machine address. > > paddr_vmcoreinfo_note() is meant to do the translation via > __pa_symbol() only, but being attributed "weak" it can be replaced > easily in Xen case. > > Signed-off-by: Juergen Gross <jgross@suse.com> Similar to Jan's concern, if bare-metal x86 people decide to have their own paddr_vmcoreinfo_note() (and they usually build with !CONFIG_XEN) we will have to update this again. I suppose we can deal with that if/when it happens since we will discover this immediately. Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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[PATCH v2] xen,kdump: handle pv domain in paddr_vmcoreinfo_note() Juergen Gross <jgross@suse.com> - 2017-03-31 12:20 +0200
Re: [PATCH v2] xen,kdump: handle pv domain in paddr_vmcoreinfo_note() Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-03-31 16:10 +0200
Re: [Xen-devel] [PATCH v2] xen, kdump: handle pv domain in paddr_vmcoreinfo_note() Daniel Kiper <dkiper@net-space.pl> - 2017-04-03 14:50 +0200
Re: [Xen-devel] [PATCH v2] xen, kdump: handle pv domain in paddr_vmcoreinfo_note() Juergen Gross <jgross@suse.com> - 2017-04-04 14:00 +0200
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