Hi Joerg,
On 12/5/18 11:56 PM, Joerg Roedel wrote:
On Tue, Dec 04, 2018 at 02:13:31PM +0800, Lu Baolu wrote:
The existing code uses GFP_ATOMIC, this patch only changes the size of
the allocated desc_page.
I don't think we really need GFP_ATOMIC here (and also for some other
places). I will cle
On Tue, Dec 04, 2018 at 02:13:31PM +0800, Lu Baolu wrote:
> The existing code uses GFP_ATOMIC, this patch only changes the size of
> the allocated desc_page.
>
> I don't think we really need GFP_ATOMIC here (and also for some other
> places). I will clean up them in a separated patch.
Okay, thank
Hi,
On 12/4/18 1:23 AM, Liu, Yi L wrote:
Hi Joerg,
From: Joerg Roedel [mailto:j...@8bytes.org]
Sent: Monday, December 3, 2018 5:49 AM
To: Lu Baolu
Subject: Re: [PATCH v5 04/12] iommu/vt-d: Add 256-bit invalidation descriptor
support
On Wed, Nov 28, 2018 at 11:54:41AM +0800, Lu Baolu wrote
Hi Joerg,
> From: Joerg Roedel [mailto:j...@8bytes.org]
> Sent: Monday, December 3, 2018 5:49 AM
> To: Lu Baolu
> Subject: Re: [PATCH v5 04/12] iommu/vt-d: Add 256-bit invalidation descriptor
> support
>
> On Wed, Nov 28, 2018 at 11:54:41AM +0800, Lu Baolu wrote:
&g
On Wed, Nov 28, 2018 at 11:54:41AM +0800, Lu Baolu wrote:
> -
> - desc_page = alloc_pages_node(iommu->node, GFP_ATOMIC | __GFP_ZERO, 0);
> + /*
> + * Need two pages to accommodate 256 descriptors of 256 bits each
> + * if the remapping hardware supports scalable mode translation.
