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Message-ID: <20230311002258.852397-14-seanjc@google.com>
Date: Fri, 10 Mar 2023 16:22:44 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>,
Paolo Bonzini <pbonzini@...hat.com>,
Zhenyu Wang <zhenyuw@...ux.intel.com>,
Zhi Wang <zhi.a.wang@...el.com>
Cc: kvm@...r.kernel.org, intel-gvt-dev@...ts.freedesktop.org,
intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
Yan Zhao <yan.y.zhao@...el.com>,
Ben Gardon <bgardon@...gle.com>
Subject: [PATCH v2 13/27] KVM: drm/i915/gvt: Drop @vcpu from KVM's
->track_write() hook
Drop @vcpu from KVM's ->track_write() hook provided for external users of
the page-track APIs now that KVM itself doesn't use the page-track
mechanism.
Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
arch/x86/include/asm/kvm_page_track.h | 5 ++---
arch/x86/kvm/mmu/page_track.c | 2 +-
drivers/gpu/drm/i915/gvt/kvmgt.c | 10 ++++------
3 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/arch/x86/include/asm/kvm_page_track.h b/arch/x86/include/asm/kvm_page_track.h
index 3f72c7a172fc..0d65ae203fd6 100644
--- a/arch/x86/include/asm/kvm_page_track.h
+++ b/arch/x86/include/asm/kvm_page_track.h
@@ -26,14 +26,13 @@ struct kvm_page_track_notifier_node {
* It is called when guest is writing the write-tracked page
* and write emulation is finished at that time.
*
- * @vcpu: the vcpu where the write access happened.
* @gpa: the physical address written by guest.
* @new: the data was written to the address.
* @bytes: the written length.
* @node: this node
*/
- void (*track_write)(struct kvm_vcpu *vcpu, gpa_t gpa, const u8 *new,
- int bytes, struct kvm_page_track_notifier_node *node);
+ void (*track_write)(gpa_t gpa, const u8 *new, int bytes,
+ struct kvm_page_track_notifier_node *node);
/*
* It is called when memory slot is being moved or removed
* users can drop write-protection for the pages in that memory slot
diff --git a/arch/x86/kvm/mmu/page_track.c b/arch/x86/kvm/mmu/page_track.c
index f39f190ad4ae..39a0863af8b4 100644
--- a/arch/x86/kvm/mmu/page_track.c
+++ b/arch/x86/kvm/mmu/page_track.c
@@ -272,7 +272,7 @@ void kvm_page_track_write(struct kvm_vcpu *vcpu, gpa_t gpa, const u8 *new,
hlist_for_each_entry_srcu(n, &head->track_notifier_list, node,
srcu_read_lock_held(&head->track_srcu))
if (n->track_write)
- n->track_write(vcpu, gpa, new, bytes, n);
+ n->track_write(gpa, new, bytes, n);
srcu_read_unlock(&head->track_srcu, idx);
kvm_mmu_track_write(vcpu, gpa, new, bytes);
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index 9824d075562e..292750dc819f 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -106,9 +106,8 @@ struct gvt_dma {
#define vfio_dev_to_vgpu(vfio_dev) \
container_of((vfio_dev), struct intel_vgpu, vfio_device)
-static void kvmgt_page_track_write(struct kvm_vcpu *vcpu, gpa_t gpa,
- const u8 *val, int len,
- struct kvm_page_track_notifier_node *node);
+static void kvmgt_page_track_write(gpa_t gpa, const u8 *val, int len,
+ struct kvm_page_track_notifier_node *node);
static void kvmgt_page_track_flush_slot(struct kvm *kvm,
struct kvm_memory_slot *slot,
struct kvm_page_track_notifier_node *node);
@@ -1617,9 +1616,8 @@ int intel_gvt_page_track_remove(struct intel_vgpu *info, u64 gfn)
return 0;
}
-static void kvmgt_page_track_write(struct kvm_vcpu *vcpu, gpa_t gpa,
- const u8 *val, int len,
- struct kvm_page_track_notifier_node *node)
+static void kvmgt_page_track_write(gpa_t gpa, const u8 *val, int len,
+ struct kvm_page_track_notifier_node *node)
{
struct intel_vgpu *info =
container_of(node, struct intel_vgpu, track_node);
--
2.40.0.rc1.284.g88254d51c5-goog
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