On 18.05.15 at 18:19, boris.ostrov...@oracle.com wrote:
On 05/18/2015 11:39 AM, Jan Beulich wrote:
On 08.05.15 at 23:06, boris.ostrov...@oracle.com wrote:
--- a/xen/arch/x86/hvm/svm/vpmu.c
+++ b/xen/arch/x86/hvm/svm/vpmu.c
@@ -45,6 +45,7 @@ static unsigned int __read_mostly num_counters;
On 05/18/2015 05:43 AM, Dietmar Hahn wrote:
Am Freitag 08 Mai 2015, 17:06:11 schrieb Boris Ostrovsky:
+if ( !is_hvm_vcpu(sampling) )
+{
+/* PV(H) guest */
+const struct cpu_user_regs *cur_regs;
+uint64_t *flags = vpmu-xenpmu_data-pmu.pmu_flags;
+domid_t
Am Freitag 08 Mai 2015, 17:06:11 schrieb Boris Ostrovsky:
Add support for handling PMU interrupts for PV(H) guests.
I have only some minor nits below.
Reviewed-by: Dietmar Hahn dietmar.h...@ts.fujitsu.com
VPMU for the interrupted VCPU is unloaded until the guest issues XENPMU_flush
On 05/18/2015 11:39 AM, Jan Beulich wrote:
On 08.05.15 at 23:06, boris.ostrov...@oracle.com wrote:
--- a/xen/arch/x86/hvm/svm/vpmu.c
+++ b/xen/arch/x86/hvm/svm/vpmu.c
@@ -45,6 +45,7 @@ static unsigned int __read_mostly num_counters;
static const u32 __read_mostly *counters;
static const u32
On 08.05.15 at 23:06, boris.ostrov...@oracle.com wrote:
--- a/xen/arch/x86/hvm/svm/vpmu.c
+++ b/xen/arch/x86/hvm/svm/vpmu.c
@@ -45,6 +45,7 @@ static unsigned int __read_mostly num_counters;
static const u32 __read_mostly *counters;
static const u32 __read_mostly *ctrls;
static bool_t
Add support for handling PMU interrupts for PV(H) guests.
VPMU for the interrupted VCPU is unloaded until the guest issues XENPMU_flush
hypercall. This allows the guest to access PMU MSR values that are stored in
VPMU context which is shared between hypervisor and domain, thus avoiding
traps to
