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From: Steffen Eiden <seiden@linux.ibm.com>
To: Christian Borntraeger <borntraeger@linux.ibm.com>,
	Janosch Frank <frankja@linux.ibm.com>,
	Claudio Imbrenda <imbrenda@linux.ibm.com>,
	David Hildenbrand <david@kernel.org>,
	Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	Sven Schnelle <svens@linux.ibm.com>,
	Sean Christopherson <seanjc@google.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Matthew Rosato <mjrosato@linux.ibm.com>,
	Farhan Ali <alifm@linux.ibm.com>,
	Eric Farman <farman@linux.ibm.com>,
	Tony Krowiak <akrowiak@linux.ibm.com>,
	Halil Pasic <pasic@linux.ibm.com>,
	Jason Herne <jjherne@linux.ibm.com>,
	Harald Freudenberger <freude@linux.ibm.com>,
	Holger Dengler <dengler@linux.ibm.com>,
	Alex Williamson <alex@shazbot.org>
Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Steffen Eiden <seiden@linux.ibm.com>
Subject: [PATCH v4 6/6] KVM: Remove unused file_is_kvm
Date: Mon, 28 Sep 2026 15:07:07 +0200	[thread overview]
Message-ID: <20260928-vfio-v4-6-e32e226d5932@linux.ibm.com> (raw)
In-Reply-To: <20260928-vfio-v4-0-e32e226d5932@linux.ibm.com>

Remove the now unused file_is_kvm function.

Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
---
 include/linux/kvm_host.h | 1 -
 virt/kvm/kvm_main.c      | 6 ------
 2 files changed, 7 deletions(-)

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 3c5a389361c6..586f6e8bb81b 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1087,7 +1087,6 @@ void kvm_exit(void);
 void kvm_get_kvm(struct kvm *kvm);
 bool kvm_get_kvm_safe(struct kvm *kvm);
 void kvm_put_kvm(struct kvm *kvm);
-bool file_is_kvm(struct file *file);
 
 /*
  * Architectures define kvm_file_to_kvm_arch to <arch>
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index ff4fab9753ca..60e614795a36 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -5515,12 +5515,6 @@ static struct file_operations kvm_vm_fops = {
 	KVM_COMPAT(kvm_vm_compat_ioctl),
 };
 
-bool file_is_kvm(struct file *file)
-{
-	return file && file->f_op == &kvm_vm_fops;
-}
-EXPORT_SYMBOL_FOR_KVM_INTERNAL(file_is_kvm);
-
 #ifdef kvm_file_to_kvm_arch
 struct kvm *kvm_file_to_kvm_fn(struct file *file)
 {

-- 
2.53.0


  parent reply	other threads:[~2026-09-28 13:07 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-28 13:07 [PATCH v4 0/6] KVM/vfio: Use file-based reference counting for KVM Steffen Eiden
2026-09-28 13:07 ` [PATCH v4 1/6] KVM: Introduce file_to_kvm_<arch>() infrastructure Steffen Eiden
2026-09-28 13:07 ` [PATCH v4 2/6] KVM: Add file back-pointer to struct kvm Steffen Eiden
2026-09-28 13:07 ` [PATCH v4 3/6] KVM: x86: Use file_to_kvm_x86() in SEV Steffen Eiden
2026-09-28 13:07 ` [PATCH v4 4/6] KVM/vfio: Use file-based reference counting for KVM Steffen Eiden
2026-09-29 17:59   ` Claudio Imbrenda
2026-09-30  7:35     ` Steffen Eiden
2026-09-28 13:07 ` [PATCH v4 5/6] KVM: Restrict kvm_get_kvm/kvm_put_kvm export to internal KVM modules Steffen Eiden
2026-09-28 13:07 ` Steffen Eiden [this message]
2026-09-28 19:26 ` [PATCH v4 0/6] KVM/vfio: Use file-based reference counting for KVM Sean Christopherson
2026-09-29 13:05 ` Janosch Frank
2026-09-30  7:45 ` Claudio Imbrenda

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