[PATCH v2 02/11] x86/hvm: drop domain parameter from vioapic/vpic EOI callbacks

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

EOIs are always executed in guest vCPU context, so there's no reason to
pass a domain parameter around as can be fetched from current->domain.

No functional change intended.

Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
Changes since v1:
 - New in this version.
---
 xen/arch/x86/hvm/vioapic.c   | 2 +-
 xen/arch/x86/hvm/vpic.c      | 3 +--
 xen/drivers/passthrough/io.c | 4 ++--
 xen/include/asm-x86/hvm/io.h | 3 +--
 4 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/xen/arch/x86/hvm/vioapic.c b/xen/arch/x86/hvm/vioapic.c
index 0fb9147d99..752fc410db 100644
--- a/xen/arch/x86/hvm/vioapic.c
+++ b/xen/arch/x86/hvm/vioapic.c
@@ -522,7 +522,7 @@ void vioapic_update_EOI(unsigned int vector)
             if ( is_iommu_enabled(d) )
             {
                 spin_unlock(&d->arch.hvm.irq_lock);
-                hvm_dpci_eoi(d, vioapic->base_gsi + pin, ent);
+                hvm_dpci_eoi(vioapic->base_gsi + pin, ent);
                 spin_lock(&d->arch.hvm.irq_lock);
             }
 
diff --git a/xen/arch/x86/hvm/vpic.c b/xen/arch/x86/hvm/vpic.c
index 3cf12581e9..26f74f4471 100644
--- a/xen/arch/x86/hvm/vpic.c
+++ b/xen/arch/x86/hvm/vpic.c
@@ -262,8 +262,7 @@ static void vpic_ioport_write(
                 /* Release lock and EOI the physical interrupt (if any). */
                 vpic_update_int_output(vpic);
                 vpic_unlock(vpic);
-                hvm_dpci_eoi(current->domain,
-                             hvm_isa_irq_to_gsi((addr >> 7) ? (pin | 8) : pin),
+                hvm_dpci_eoi(hvm_isa_irq_to_gsi((addr >> 7) ? (pin | 8) : pin),
                              NULL);
                 return; /* bail immediately */
             case 6: /* Set Priority                */
diff --git a/xen/drivers/passthrough/io.c b/xen/drivers/passthrough/io.c
index 54f3e7b540..536e91ad76 100644
--- a/xen/drivers/passthrough/io.c
+++ b/xen/drivers/passthrough/io.c
@@ -1003,9 +1003,9 @@ static void hvm_gsi_eoi(struct domain *d, unsigned int 
gsi,
     hvm_pirq_eoi(pirq, ent);
 }
 
-void hvm_dpci_eoi(struct domain *d, unsigned int guest_gsi,
-                  const union vioapic_redir_entry *ent)
+void hvm_dpci_eoi(unsigned int guest_gsi, const union vioapic_redir_entry *ent)
 {
+    struct domain *d = current->domain;
     const struct hvm_irq_dpci *hvm_irq_dpci;
     const struct hvm_girq_dpci_mapping *girq;
 
diff --git a/xen/include/asm-x86/hvm/io.h b/xen/include/asm-x86/hvm/io.h
index adec0f566a..b05f619435 100644
--- a/xen/include/asm-x86/hvm/io.h
+++ b/xen/include/asm-x86/hvm/io.h
@@ -118,8 +118,7 @@ bool handle_mmio_with_translation(unsigned long gla, 
unsigned long gpfn,
                                   struct npfec);
 bool handle_pio(uint16_t port, unsigned int size, int dir);
 void hvm_interrupt_post(struct vcpu *v, int vector, int type);
-void hvm_dpci_eoi(struct domain *d, unsigned int guest_irq,
-                  const union vioapic_redir_entry *ent);
+void hvm_dpci_eoi(unsigned int guest_irq, const union vioapic_redir_entry 
*ent);
 void msix_write_completion(struct vcpu *);
 
 #ifdef CONFIG_HVM
-- 
2.28.0