On Thu, May 11, 2017 at 7:04 AM, Chao Gao <chao....@intel.com> wrote:
> This patch intruduces a 'refcnt' field in vmx_pi_blocking to track
> the reference count of 'pi_desc' of the vCPU. And change this field
> every time we re-program one IRTE.
>
> Signed-off-by: Chao Gao <chao....@intel.com>
> ---
> xen/arch/x86/hvm/vmx/vmx.c | 29 ++++++++++++++++++++++++
> xen/drivers/passthrough/io.c | 2 +-
> xen/drivers/passthrough/vtd/intremap.c | 41
> ++++++++++++++++++++++++++++++++--
> xen/include/asm-x86/hvm/domain.h | 6 +++++
> xen/include/asm-x86/hvm/vmx/vmcs.h | 3 +++
> xen/include/asm-x86/iommu.h | 2 +-
> xen/include/asm-x86/msi.h | 2 +-
This doesn't apply to staging anymore:
error: while searching for:
int iommu_enable_x2apic_IR(void);
void iommu_disable_x2apic_IR(void);
int pi_update_irte(const struct pi_desc *pi_desc, const struct pirq *pirq,
const uint8_t gvec);
#endif /* !__ARCH_X86_IOMMU_H__ */
error: patch failed: xen/include/asm-x86/iommu.h:92
-George
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