[xen master] xen: Introduce arch_domain_teardown()

[patchbot@xxxxxxx]

commit 2d775ee651e05596f083e1fe8dfb2ab410369d7d
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Mon Jul 17 09:20:44 2023 +0200
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Thu Jul 20 23:20:04 2023 +0100

    xen: Introduce arch_domain_teardown()
    
    Plumb it into domain_teardown().  Provide arch_val in the teardown
    continuation information for use by arch_domain_teardown().
    
    No practical change.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Signed-off-by: Jens Wiklander <jens.wiklander@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
---
 xen/arch/arm/domain.c    | 5 +++++
 xen/arch/x86/domain.c    | 5 +++++
 xen/common/domain.c      | 6 ++++++
 xen/include/xen/domain.h | 1 +
 xen/include/xen/sched.h  | 1 +
 5 files changed, 18 insertions(+)

diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
index 8c18e92079..15d9709a97 100644
--- a/xen/arch/arm/domain.c
+++ b/xen/arch/arm/domain.c
@@ -793,6 +793,11 @@ fail:
     return rc;
 }
 
+int arch_domain_teardown(struct domain *d)
+{
+    return 0;
+}
+
 void arch_domain_destroy(struct domain *d)
 {
     /* IOMMU page table is shared with P2M, always call
diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
index 39c2153165..5f66c2ae33 100644
--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -888,6 +888,11 @@ int arch_domain_create(struct domain *d,
     return rc;
 }
 
+int arch_domain_teardown(struct domain *d)
+{
+    return 0;
+}
+
 void arch_domain_destroy(struct domain *d)
 {
     if ( is_hvm_domain(d) )
diff --git a/xen/common/domain.c b/xen/common/domain.c
index caaa402637..304aa04fa6 100644
--- a/xen/common/domain.c
+++ b/xen/common/domain.c
@@ -439,6 +439,7 @@ static int domain_teardown(struct domain *d)
             PROG_none,
             PROG_gnttab_mappings,
             PROG_vcpu_teardown,
+            PROG_arch_teardown,
             PROG_done,
         };
 
@@ -459,6 +460,11 @@ static int domain_teardown(struct domain *d)
                 return rc;
         }
 
+    PROGRESS(arch_teardown):
+        rc = arch_domain_teardown(d);
+        if ( rc )
+            return rc;
+
     PROGRESS(done):
         break;
 
diff --git a/xen/include/xen/domain.h b/xen/include/xen/domain.h
index 1df8f933d0..d35af34841 100644
--- a/xen/include/xen/domain.h
+++ b/xen/include/xen/domain.h
@@ -81,6 +81,7 @@ int arch_domain_create(struct domain *d,
                        struct xen_domctl_createdomain *config,
                        unsigned int flags);
 
+int arch_domain_teardown(struct domain *d);
 void arch_domain_destroy(struct domain *d);
 
 void arch_domain_shutdown(struct domain *d);
diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
index 85242a73d3..854f3e32c0 100644
--- a/xen/include/xen/sched.h
+++ b/xen/include/xen/sched.h
@@ -589,6 +589,7 @@ struct domain
      */
     struct {
         unsigned int val;
+        unsigned int arch_val;
         struct vcpu *vcpu;
     } teardown;
 
--
generated by git-patchbot for /home/xen/git/xen.git#master