在 2021/3/30 17:25, Will Deacon 写道:
On Tue, Mar 30, 2021 at 10:04:53AM +0100, Robin Murphy wrote:
On 2021-03-30 02:22, chenxiang (M) wrote:
Hi Will,
在 2021/3/29 22:45, Will Deacon 写道:
On Sat, Mar 27, 2021 at 02:23:10PM +0800, chenxiang wrote:
From: Xiang Chen
Currently it will send a iot
On Tue, Mar 30, 2021 at 10:04:53AM +0100, Robin Murphy wrote:
> On 2021-03-30 02:22, chenxiang (M) wrote:
> > Hi Will,
> >
> >
> > 在 2021/3/29 22:45, Will Deacon 写道:
> > > On Sat, Mar 27, 2021 at 02:23:10PM +0800, chenxiang wrote:
> > > > From: Xiang Chen
> > > >
> > > > Currently it will send
On 2021-03-30 02:22, chenxiang (M) wrote:
Hi Will,
在 2021/3/29 22:45, Will Deacon 写道:
On Sat, Mar 27, 2021 at 02:23:10PM +0800, chenxiang wrote:
From: Xiang Chen
Currently it will send a iotlb sync at end of iommu unmap even if
iotlb_gather is not valid (iotlb_gather->pgsize = 0). Actually
Hi Will,
在 2021/3/29 22:45, Will Deacon 写道:
On Sat, Mar 27, 2021 at 02:23:10PM +0800, chenxiang wrote:
From: Xiang Chen
Currently it will send a iotlb sync at end of iommu unmap even if
iotlb_gather is not valid (iotlb_gather->pgsize = 0). Actually it is not
necessary, so add a check to avoi
On Sat, Mar 27, 2021 at 02:23:10PM +0800, chenxiang wrote:
> From: Xiang Chen
>
> Currently it will send a iotlb sync at end of iommu unmap even if
> iotlb_gather is not valid (iotlb_gather->pgsize = 0). Actually it is not
> necessary, so add a check to avoid invalid iotlb sync.
>
> Signed-off-b
From: Xiang Chen
Currently it will send a iotlb sync at end of iommu unmap even if
iotlb_gather is not valid (iotlb_gather->pgsize = 0). Actually it is not
necessary, so add a check to avoid invalid iotlb sync.
Signed-off-by: Xiang Chen
---
include/linux/iommu.h | 3 +++
1 file changed, 3 inse
