There's no way for Xen to know or for such a qemu to tell us.
Signed-off-by: Jan Beulich <[email protected]>
---
RFC: This implies only patched qemu-trad or ioreq-server-aware
qemu-upstream get used with xen-unstable. Is this reasonable?
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -1040,7 +1040,7 @@ static int hvm_ioreq_server_init(struct
if ( rc )
return rc;
- if ( bufioreq_handling == HVM_IOREQSRV_BUFIOREQ_ATOMIC )
+ if ( bufioreq_handling == HVM_IOREQSRV_BUFIOREQ_ATOMIC || is_default )
s->bufioreq_atomic = 1;
rc = hvm_ioreq_server_setup_pages(
x86/HVM: assume default ioreq servers follow new bufioreq pointer access model
There's no way for Xen to know or for such a qemu to tell us.
Signed-off-by: Jan Beulich <[email protected]>
---
RFC: This implies only patched qemu-trad or ioreq-server-aware
qemu-upstream get used with xen-unstable. Is this reasonable?
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -1040,7 +1040,7 @@ static int hvm_ioreq_server_init(struct
if ( rc )
return rc;
- if ( bufioreq_handling == HVM_IOREQSRV_BUFIOREQ_ATOMIC )
+ if ( bufioreq_handling == HVM_IOREQSRV_BUFIOREQ_ATOMIC || is_default )
s->bufioreq_atomic = 1;
rc = hvm_ioreq_server_setup_pages(
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