All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>
To: Jan Beulich <jbeulich@suse.com>
Cc: Juergen Gross <jgross@suse.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [Xen-devel] Xen 4.12 panic on Thinkpad W540 with UEFI mutiboot2, efi=no-rs workarounds it
Date: Wed, 9 Oct 2019 13:52:54 +0200	[thread overview]
Message-ID: <20191009115254.GQ8065@mail-itl> (raw)
In-Reply-To: <3a75989f-d655-3bb7-4a71-5421c6f8a625@suse.com>


[-- Attachment #1.1: Type: text/plain, Size: 1383 bytes --]

On Wed, Oct 09, 2019 at 01:48:38PM +0200, Jan Beulich wrote:
> On 09.10.2019 13:00, Marek Marczykowski-Górecki  wrote:
> > On Wed, Oct 09, 2019 at 12:50:09PM +0200, Jan Beulich wrote:
> >> On 09.10.2019 12:31, Marek Marczykowski-Górecki  wrote:
> >>> BTW How runtime services work after kexec? I don't see EFI handles
> >>> handed over kexec, are they somehow re-discovered?
> >>
> >> What EFI handles are you talking about? For runtime services
> >> what a consumer needs is a table pointer, which is a field
> >> in the system table, which in turn is an argument passed to
> >> the EFI application's entry point.
> > 
> > Yes, I'm talking about those pointers (system table specifically).
> > 
> >> I didn't think there are
> >> provisions in the spec for either of these pointers being NULL.
> > 
> > But I don't see kexec using EFI application entry point. Am I missing
> > something?
> 
> Can we stop thinking about a Linux -> Xen transition on this
> thread please? 

I'm talking about Xen->Xen transition here. How system table pointer is
passed from old Xen to new Xen instance? And how the new Xen instance
deals with boot services being not available anymore?

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?

[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

[-- Attachment #2: Type: text/plain, Size: 157 bytes --]

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

  reply	other threads:[~2019-10-09 11:53 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20190807132657.GA2852@mail-itl>
2019-08-07 13:50 ` [Xen-devel] Xen 4.12 panic on Thinkpad W540 with UEFI mutiboot2, efi=no-rs workarounds it Andrew Cooper
2019-08-07 14:45 ` Jan Beulich
     [not found]   ` <20190807151703.GA2659@mail-itl>
2019-08-07 15:33     ` Jan Beulich
2019-08-07 15:51       ` Marek Marczykowski-Górecki
2019-08-07 15:58         ` Jan Beulich
2019-08-07 16:04           ` Marek Marczykowski-Górecki
2019-08-07 16:34             ` Jan Beulich
     [not found]               ` <20190807192557.GC3257@mail-itl>
2019-08-08  2:53                 ` Marek Marczykowski-Górecki
2019-08-08  6:03                   ` Jan Beulich
2019-10-08 11:50                     ` Marek Marczykowski-Górecki
2019-10-08 13:08                       ` Jan Beulich
2019-10-08 13:52                         ` Marek Marczykowski-Górecki
2019-10-08 14:19                           ` Jan Beulich
2019-10-08 16:29                             ` Marek Marczykowski-Górecki
2019-10-09  0:40                               ` Marek Marczykowski-Górecki
2019-10-09  8:56                               ` Jan Beulich
2019-10-09 10:31                                 ` Marek Marczykowski-Górecki
2019-10-09 10:50                                   ` Jan Beulich
2019-10-09 11:00                                     ` Marek Marczykowski-Górecki
2019-10-09 11:48                                       ` Jan Beulich
2019-10-09 11:52                                         ` Marek Marczykowski-Górecki [this message]
2019-10-09 12:07                                           ` Jan Beulich
2019-10-09 12:21                                             ` Marek Marczykowski-Górecki
2019-10-09 12:24                                               ` Jan Beulich
2019-10-09 12:27                                                 ` Marek Marczykowski-Górecki
2019-10-09 13:31                                                   ` Jan Beulich
2019-10-09 23:57                                                     ` Marek Marczykowski-Górecki

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191009115254.GQ8065@mail-itl \
    --to=marmarek@invisiblethingslab.com \
    --cc=andrew.cooper3@citrix.com \
    --cc=jbeulich@suse.com \
    --cc=jgross@suse.com \
    --cc=xen-devel@lists.xenproject.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.