Cc: baolu...@linux.intel.com; iommu@lists.linux-foundation.org; Joerg
> >> Roedel ; Mehta, Sohil ; Jacob
> >> Pan ; Sun, Yi
> >> Subject: Re: [PATCH] iommu/vt-d: debugfs: Check irq_remapping_cap
> >> before PI info dump
> >>
> >> On 1/20/21 2:25
: debugfs: Check irq_remapping_cap before
PI info dump
On 1/20/21 2:25 AM, Tina Zhang wrote:
irq_remapping_cap() was introduced to detect whether irq remapping
supports new features, such as VT-d Posted-Interrupts", according to
commit 959c870f7305 ("iommu, x86: Provide irq_remapping_cap()
> -Original Message-
> From: Lu Baolu
> Sent: Wednesday, January 20, 2021 10:35 AM
> To: Zhang, Tina
> Cc: baolu...@linux.intel.com; iommu@lists.linux-foundation.org; Joerg
> Roedel ; Mehta, Sohil ; Jacob
> Pan ; Sun, Yi
> Subject: Re: [PATCH] io
On 1/20/21 2:25 AM, Tina Zhang wrote:
irq_remapping_cap() was introduced to detect whether irq remapping
supports new features, such as VT-d Posted-Interrupts", according to
commit 959c870f7305 ("iommu, x86: Provide irq_remapping_cap() interface").
The VT-d Posted-Interrupts support can be disab
