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Re: [PATCH 2/5] Config.mk: record hash of SeaBIOS tag
- To: Elliott Mitchell <ehem+xen@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 26 Oct 2026 10:05:45 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger@xxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 26 Oct 2026 09:05:49 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 19.10.2026 21:02, Elliott Mitchell wrote:
> Date: Sun, 18 Oct 2026 14:12:43 -0700
>
> Recording the tag as a comment, but directing git at the hash allows
> bypassing downloading tags (git does not selectively download tags).
> While remote branches get prefixed with the remote name. The result is
> identical, the tag is simply a reference to the hash.
I don't quite get what the win is. The middle sentence also feels, to
me, unrelated to anything else here. The fact that ...
> --- a/Config.mk
> +++ b/Config.mk
> @@ -220,7 +220,8 @@ MINIOS_UPSTREAM_URL ?=
> https://xenbits.xen.org/git-http/mini-os.git
> MINIOS_UPSTREAM_REVISION ?= 26ceb2daf95dd9e7fed9c83d36be3aaf1a0fa8a1
... we use a hash here, for example, doesn't warrant ...
> SEABIOS_UPSTREAM_URL ?= https://xenbits.xen.org/git-http/seabios.git
> -SEABIOS_UPSTREAM_REVISION ?= rel-1.17.0
> +# rel-1.17.0
> +SEABIOS_UPSTREAM_REVISION ?= b52ca86e094d19b58e2304417787e96b940e39c6
... the use here. IOW if this is to be pursued, more explanation is
going to be necessary.
Jan
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