x86/iommu: add IOMMU_STRESS Kconfig entry
This Kconfig option is intended to enable various code paths or parameters in IOMMU implementations to stress test the code and/or the hardware. This can also be done by disabling optimizations in the code when this option is switched on. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
parent
b3b99ef8b4
commit
2be69c79e9
@ -159,6 +159,14 @@ config IOMMU_DEBUG
|
||||
options. See Documentation/x86_64/boot-options.txt for more
|
||||
details.
|
||||
|
||||
config IOMMU_STRESS
|
||||
bool "Enable IOMMU stress-test mode"
|
||||
---help---
|
||||
This option disables various optimizations in IOMMU related
|
||||
code to do real stress testing of the IOMMU code. This option
|
||||
will cause a performance drop and should only be enabled for
|
||||
testing.
|
||||
|
||||
config IOMMU_LEAK
|
||||
bool "IOMMU leak tracing"
|
||||
depends on IOMMU_DEBUG && DMA_API_DEBUG
|
||||
|
Loading…
Reference in New Issue
Block a user