Re: [PATCH 03/26] virt: Declare and define vfio_file_set_kvm() iff CONFIG_KVM is enabled
From: Alex Williamson <hidden>
Date: 2023-09-28 22:23:10
Also in:
kvm, kvm-riscv, kvmarm, linux-arm-kernel, linux-mips, linux-perf-users, linux-riscv, linux-s390, lkml
On Fri, 15 Sep 2023 17:30:55 -0700 Sean Christopherson [off-list ref] wrote:
Hide vfio_file_set_kvm() and its unique helpers if KVM is not enabled, nothing else in the kernel (or out of the kernel) should be using a KVM specific helper. Signed-off-by: Sean Christopherson <seanjc@google.com> --- drivers/vfio/vfio_main.c | 2 +- include/linux/vfio.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-)
As Jason noted, s/virt/vfio/ in title. Reviewed-by: Alex Williamson <redacted>
quoted hunk ↗ jump to hunk
diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c index 6368eed7b7b2..124cc88966a7 100644 --- a/drivers/vfio/vfio_main.c +++ b/drivers/vfio/vfio_main.c@@ -1352,7 +1352,6 @@ void vfio_device_put_kvm(struct vfio_device *device) clear: device->kvm = NULL; } -#endif static void vfio_device_file_set_kvm(struct file *file, struct kvm *kvm) {@@ -1388,6 +1387,7 @@ void vfio_file_set_kvm(struct file *file, struct kvm *kvm) vfio_device_file_set_kvm(file, kvm); } EXPORT_SYMBOL_GPL(vfio_file_set_kvm); +#endif /* * Sub-module supportdiff --git a/include/linux/vfio.h b/include/linux/vfio.h index 454e9295970c..e80955de266c 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h@@ -311,7 +311,9 @@ static inline bool vfio_file_has_dev(struct file *file, struct vfio_device *devi #endif bool vfio_file_is_valid(struct file *file); bool vfio_file_enforced_coherent(struct file *file); +#if IS_ENABLED(CONFIG_KVM) void vfio_file_set_kvm(struct file *file, struct kvm *kvm); +#endif #define VFIO_PIN_PAGES_MAX_ENTRIES (PAGE_SIZE/sizeof(unsigned long))