Re: [Xen-devel] [PATCH for-4.12] amd/iommu: fix present bit checking when clearing PTE

2019-01-24 Thread Woods, Brian
On 1/23/19 3:47 AM, Roger Pau Monne wrote: > The current check for the present bit is wrong, since the present bit > is located in the low part of the entry. > > Fixes: e8afe1124cc1 ("iommu: elide flushing for higher order map/unmap > operations") > Signed-off-by: Roger Pau Monné Reviewed-by:

Re: [Xen-devel] [PATCH for-4.12] amd/iommu: fix present bit checking when clearing PTE

2019-01-23 Thread Juergen Gross
On 23/01/2019 10:47, Roger Pau Monne wrote: > The current check for the present bit is wrong, since the present bit > is located in the low part of the entry. > > Fixes: e8afe1124cc1 ("iommu: elide flushing for higher order map/unmap > operations") > Signed-off-by: Roger Pau Monné

Re: [Xen-devel] [PATCH for-4.12] amd/iommu: fix present bit checking when clearing PTE

2019-01-23 Thread Paul Durrant
> -Original Message- > From: Roger Pau Monne [mailto:roger@citrix.com] > Sent: 23 January 2019 09:48 > To: xen-devel@lists.xenproject.org > Cc: Roger Pau Monne ; Suravee Suthikulpanit > ; Brian Woods ; > Juergen Gross ; Paul Durrant > Subject: [PATCH for-4.12] amd/iommu: fix present

[Xen-devel] [PATCH for-4.12] amd/iommu: fix present bit checking when clearing PTE

2019-01-23 Thread Roger Pau Monne
The current check for the present bit is wrong, since the present bit is located in the low part of the entry. Fixes: e8afe1124cc1 ("iommu: elide flushing for higher order map/unmap operations") Signed-off-by: Roger Pau Monné --- Cc: Suravee Suthikulpanit Cc: Brian Woods Cc: Juergen Gross