| Message ID | 20200123140305.21050-3-pdurrant@amazon.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | purge free_shared_domheap_page() | expand |
On 23.01.2020 15:03, Paul Durrant wrote: > There are two functions in hvm.c to deal with tear-down and a domain: > hvm_domain_relinquish_resources() and hvm_domain_destroy(). However, only > the latter has an associated method in 'hvm_funcs'. This patch adds > a method for the former. > > A subsequent patch will define a VMX implementation. > > Signed-off-by: Paul Durrant <pdurrant@amazon.com> Acked-by: Jan Beulich <jbeulich@suse.com>
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index 4723f5d09c..e51c077269 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -715,6 +715,9 @@ int hvm_domain_initialise(struct domain *d) void hvm_domain_relinquish_resources(struct domain *d) { + if ( hvm_funcs.domain_relinquish_resources ) + alternative_vcall(hvm_funcs.domain_relinquish_resources, d); + if ( hvm_funcs.nhvm_domain_relinquish_resources ) hvm_funcs.nhvm_domain_relinquish_resources(d); diff --git a/xen/include/asm-x86/hvm/hvm.h b/xen/include/asm-x86/hvm/hvm.h index 09793c12e9..9eab1d7493 100644 --- a/xen/include/asm-x86/hvm/hvm.h +++ b/xen/include/asm-x86/hvm/hvm.h @@ -107,6 +107,7 @@ struct hvm_function_table { * Initialise/destroy HVM domain/vcpu resources */ int (*domain_initialise)(struct domain *d); + void (*domain_relinquish_resources)(struct domain *d); void (*domain_destroy)(struct domain *d); int (*vcpu_initialise)(struct vcpu *v); void (*vcpu_destroy)(struct vcpu *v);
There are two functions in hvm.c to deal with tear-down and a domain: hvm_domain_relinquish_resources() and hvm_domain_destroy(). However, only the latter has an associated method in 'hvm_funcs'. This patch adds a method for the former. A subsequent patch will define a VMX implementation. Signed-off-by: Paul Durrant <pdurrant@amazon.com> --- Cc: Jan Beulich <jbeulich@suse.com> Cc: Andrew Cooper <andrew.cooper3@citrix.com> Cc: Wei Liu <wl@xen.org> Cc: "Roger Pau Monné" <roger.pau@citrix.com> Cc: Jun Nakajima <jun.nakajima@intel.com> Cc: Kevin Tian <kevin.tian@intel.com> v2: - Make the new method optional and make it an alternative_vcall --- xen/arch/x86/hvm/hvm.c | 3 +++ xen/include/asm-x86/hvm/hvm.h | 1 + 2 files changed, 4 insertions(+)