callers acquire another lock which already disables interrupts.
Signed-off-by: Anna-Maria Gleixner
---
drivers/iommu/amd_iommu.c | 12
1 file changed, 12 deletions(-)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 596b95c50051..b5f39bffd684 100644
---
Primary motivation was to get rid of the "WARN_ON(!irqs_disabled());"
check. The second patch avoids a possible loop (if cleanup_domain() is
invoked `entry->domain == NULL' then it loops for ever). The
irqs_disabled() check has been replaced with a lockdep_assert_held() check.
v1..v2:
- Fix the
When device is already attached to a domain, there is no need to execute
the domain_flush_tlb_pde(). Therefore move the check if the domain is set
into attach_device().
Signed-off-by: Anna-Maria Gleixner <anna-ma...@linutronix.de>
---
drivers/iommu/amd_iommu.
here appropriate.
Signed-off-by: Anna-Maria Gleixner <anna-ma...@linutronix.de>
---
drivers/iommu/amd_iommu.c | 70 ++-
1 file changed, 15 insertions(+), 55 deletions(-)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index a632cc2daad
o the caller
detach_device() and return immediately. Throw an error, when hitting the
condition in cleanup_domain().
Signed-off-by: Anna-Maria Gleixner <anna-ma...@linutronix.de>
---
drivers/iommu/amd_iommu.c | 22 ++
1 file changed, 10 insertions(+), 12 deletions(-)
diff --g
Suggested-by: Gary R Hook <gary.h...@amd.com>
Signed-off-by: Anna-Maria Gleixner <anna-ma...@linutronix.de>
---
drivers/iommu/amd_iommu.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index
On Fri, 4 May 2018, Gary R Hook wrote:
> On 05/04/2018 11:22 AM, Sebastian Andrzej Siewior wrote:
> > From: Anna-Maria Gleixner <anna-ma...@linutronix.de>
> >
> > When device is already attached to a domain, there is no need to execute
> > the domain_flush_tl
