From: Steffen Eiden <seiden@linux.ibm.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Alex Williamson <alex.williamson@nvidia.com>
Subject: Re: [PATCH 2/3] KVM, vfio: remove symbol_get(kvm_get_kvm_safe) from vfio
Date: Thu, 9 Apr 2026 17:01:50 +0200 [thread overview]
Message-ID: <20260409150150.71106-B-seiden@linux.ibm.com> (raw)
In-Reply-To: <20260407180107.1603697-3-pbonzini@redhat.com>
On Tue, Apr 07, 2026 at 08:01:06PM +0200, Paolo Bonzini wrote:
> Right now, KVM and VFIO are using symbol_get to access each other's
> symbols because of a circular reference between the modules, as well
> as to avoid loading them unnecessarily.
>
> However, usage of symbol_get is mostly deprecated and there are just a
> handful of users left. In the case of VFIO, in particular, the
> functions it calls can be made inline. Start with kvm_get_kvm_safe,
> for which it is trivial to do so.
>
> While at it, move the function from kvm_host.h to kvm_types.h.
> Unlike e.g. drivers/s390/crypto/vfio_ap_ops.c, there's no need for
> VFIO to know any implementation details of KVM, and struct kvm
> can be treated as an opaque type.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
next prev parent reply other threads:[~2026-04-09 15:01 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-07 18:01 [PATCH 0/3] KVM, vfio: remove exported KVM symbols Paolo Bonzini
2026-04-07 18:01 ` [PATCH 1/3] VFIO: take reference to the KVM module Paolo Bonzini
2026-04-09 15:00 ` Steffen Eiden
2026-04-09 18:59 ` Sean Christopherson
2026-04-10 8:16 ` Paolo Bonzini
2026-04-10 14:13 ` Sean Christopherson
2026-04-10 14:34 ` Paolo Bonzini
2026-04-10 15:45 ` Sean Christopherson
2026-04-13 11:32 ` Paolo Bonzini
2026-04-13 21:21 ` Sean Christopherson
2026-04-10 22:20 ` Dan Williams
2026-04-16 0:31 ` Sean Christopherson
2026-04-16 7:30 ` Xu Yilun
2026-04-10 18:18 ` Jason Gunthorpe
2026-04-10 18:12 ` Jason Gunthorpe
2026-04-07 18:01 ` [PATCH 2/3] KVM, vfio: remove symbol_get(kvm_get_kvm_safe) from vfio Paolo Bonzini
2026-04-09 15:01 ` Steffen Eiden [this message]
2026-04-07 18:01 ` [PATCH 3/3] KVM, vfio: remove symbol_get(kvm_put_kvm) " Paolo Bonzini
2026-04-09 15:02 ` Steffen Eiden
2026-04-11 12:26 ` kernel test robot
2026-04-07 20:16 ` [PATCH 0/3] KVM, vfio: remove exported KVM symbols Alex Williamson
2026-04-09 15:06 ` Steffen Eiden
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