From: Thomas Lamprecht <t.lamprecht@proxmox.com>
To: pve-devel@lists.proxmox.com, Fiona Ebner <f.ebner@proxmox.com>
Subject: applied: [PATCH qemu-server] cpu config: disable cet-ibt and cet-ss flags for modern Windows by default
Date: Sat, 16 May 2026 20:41:29 +0200 [thread overview]
Message-ID: <177895688581.225816.8762247241050751473.b4-ty@b4> (raw)
In-Reply-To: <20260515155810.229819-1-f.ebner@proxmox.com>
On Fri, 15 May 2026 17:55:24 +0200, Fiona Ebner wrote:
> As reported by David on the Linux kernel mailing list [0], the cet-ibt
> and cet-ss flags cause boot issues for Windows guests with VBS
> enabled. The problem also affects some other configurations, as
> reported in the community forum [1]. The flags are exposed by default
> since QEMU 11.0 (commit 5cb89cad7f ("i386/cpu: Enable cet-ss & cet-ibt
> for supported CPU models")) and kernel 7.x.
>
> [...]
Applied, thanks!
[1/1] cpu config: disable cet-ibt and cet-ss flags for modern Windows by default
commit: 140b30ac23dbdf0ee1c2b17d93aecc0beaeb6bd1
prev parent reply other threads:[~2026-05-16 18:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-15 15:55 [PATCH qemu-server] cpu config: disable cet-ibt and cet-ss flags for modern Windows by default Fiona Ebner
2026-05-16 18:41 ` Thomas Lamprecht [this message]
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