On 2022/6/23 10:51, Jerry Snitselaar wrote:
The real problem here is that the iommu sequence ID overflows if
DMAR_UNITS_SUPPORTED is not big enough. This is purely a software
implementation issue, I am not sure whether user opt-in when building a
kernel package could help a lot here.
Is this so
On Thu, Jun 23, 2022 at 10:29:35AM +0800, Baolu Lu wrote:
> On 2022/6/22 23:05, Jerry Snitselaar wrote:
> > On Wed, Jun 22, 2022 at 7:52 AM Baolu Lu wrote:
> > > On 2022/6/16 02:36, Steve Wahl wrote:
> > > > To support up to 64 sockets with 10 DMAR units each (640), make the
> > > > value of DMAR_
On 2022/6/22 23:05, Jerry Snitselaar wrote:
On Wed, Jun 22, 2022 at 7:52 AM Baolu Lu wrote:
On 2022/6/16 02:36, Steve Wahl wrote:
To support up to 64 sockets with 10 DMAR units each (640), make the
value of DMAR_UNITS_SUPPORTED adjustable by a config variable,
CONFIG_DMAR_UNITS_SUPPORTED, and
On Wed, Jun 22, 2022 at 08:05:12AM -0700, Jerry Snitselaar wrote:
> On Wed, Jun 22, 2022 at 7:52 AM Baolu Lu wrote:
> >
> > On 2022/6/16 02:36, Steve Wahl wrote:
> > > To support up to 64 sockets with 10 DMAR units each (640), make the
> > > value of DMAR_UNITS_SUPPORTED adjustable by a config var
On Wed, Jun 22, 2022 at 7:52 AM Baolu Lu wrote:
>
> On 2022/6/16 02:36, Steve Wahl wrote:
> > To support up to 64 sockets with 10 DMAR units each (640), make the
> > value of DMAR_UNITS_SUPPORTED adjustable by a config variable,
> > CONFIG_DMAR_UNITS_SUPPORTED, and make it's default 1024 when MAXS
On 2022/6/16 02:36, Steve Wahl wrote:
To support up to 64 sockets with 10 DMAR units each (640), make the
value of DMAR_UNITS_SUPPORTED adjustable by a config variable,
CONFIG_DMAR_UNITS_SUPPORTED, and make it's default 1024 when MAXSMP is
set.
If the available hardware exceeds DMAR_UNITS_SUPPOR
On Wed, Jun 15, 2022 at 01:36:50PM -0500, Steve Wahl wrote:
> To support up to 64 sockets with 10 DMAR units each (640), make the
> value of DMAR_UNITS_SUPPORTED adjustable by a config variable,
> CONFIG_DMAR_UNITS_SUPPORTED, and make it's default 1024 when MAXSMP is
> set.
>
> If the available ha
To support up to 64 sockets with 10 DMAR units each (640), make the
value of DMAR_UNITS_SUPPORTED adjustable by a config variable,
CONFIG_DMAR_UNITS_SUPPORTED, and make it's default 1024 when MAXSMP is
set.
If the available hardware exceeds DMAR_UNITS_SUPPORTED (previously set
to MAX_IO_APICS, or