On 2022/6/15 14:13, Tian, Kevin wrote:
From: Baolu Lu
Sent: Wednesday, June 15, 2022 9:54 AM
On 2022/6/14 14:43, Tian, Kevin wrote:
From: Lu Baolu
Sent: Tuesday, June 14, 2022 10:51 AM
The domain_translation_struct debugfs node is used to dump the DMAR
page
tables for the PCI devices. It poten
> From: Baolu Lu
> Sent: Wednesday, June 15, 2022 9:54 AM
>
> On 2022/6/14 14:43, Tian, Kevin wrote:
> >> From: Lu Baolu
> >> Sent: Tuesday, June 14, 2022 10:51 AM
> >>
> >> The domain_translation_struct debugfs node is used to dump the DMAR
> >> page
> >> tables for the PCI devices. It potential
On 2022/6/14 14:43, Tian, Kevin wrote:
From: Lu Baolu
Sent: Tuesday, June 14, 2022 10:51 AM
The domain_translation_struct debugfs node is used to dump the DMAR
page
tables for the PCI devices. It potentially races with setting domains to
devices. The existing code uses a global spinlock device_d
Hi Kevin,
Thanks for your reviewing.
On 2022/6/14 14:43, Tian, Kevin wrote:
From: Lu Baolu
Sent: Tuesday, June 14, 2022 10:51 AM
The domain_translation_struct debugfs node is used to dump the DMAR
page
tables for the PCI devices. It potentially races with setting domains to
devices. The exist
> From: Lu Baolu
> Sent: Tuesday, June 14, 2022 10:51 AM
>
> The domain_translation_struct debugfs node is used to dump the DMAR
> page
> tables for the PCI devices. It potentially races with setting domains to
> devices. The existing code uses a global spinlock device_domain_lock to
> avoid the
The domain_translation_struct debugfs node is used to dump the DMAR page
tables for the PCI devices. It potentially races with setting domains to
devices. The existing code uses a global spinlock device_domain_lock to
avoid the races, but this is problematical as this lock is only used to
protect t