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Re: [PATCH for-4.23] xen/kexec: Drop the obsolete v1 hypercall implementation
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 15 Jun 2026 10:22:44 +0200
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- Cc: Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, Kevin Lampis <kevin.lampis@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 15 Jun 2026 08:22:55 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 12.06.2026 12:27, Andrew Cooper wrote:
> The v1 interface was declared obsolete in Xen 4.4 (2013) when kexec in Xen was
> overhauled.
>
> The only known user of the v1 interface was the classic-xen fork of Linux.
> Linux PVOps does not interact with Xen kexec directly, delegating it entirely
> to userspace (i.e. kexec-tools). Xen support in kexec-tools was part of this
> work, and uses the "new" interface.
>
> As such, there's no way to test changes to the interface any more.
Maybe yet less ambiguously "... to the old interface ..."?
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
with another nit below:
> --- a/CHANGELOG.md
> +++ b/CHANGELOG.md
> @@ -4,6 +4,14 @@ Notable changes to Xen will be documented in this file.
>
> The format is based on [Keep a
> Changelog](https://keepachangelog.com/en/1.0.0/)
>
> +## [4.23.0
> UNRELEASED](https://xenbits.xenproject.org/gitweb/?p=xen.git;a=shortlog;h=staging)
> - TBD
> +
> +### Removed
> + - On x86:
> + - The kexec "v1" interface, which was declared obsolete in Xen 4.4 (2013).
> + The only know user was the classic-xen fork of Linux. This does not
Nit: known
Jan
|
