diff options
| author |   Jiri Kosina <jkosina@suse.cz> | 2018-11-06 13:57:02 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2018-11-06 13:57:02 +0100 |
| commit | 0c7244209588630a9b45e52490ef1390e04499a6 (patch) | |
| tree | d60f5610f9b36ff05ed5202396c811628bacdb61 /drivers/iommu/io-pgtable.h | |
| parent | HID: i2c-hid: add Direkt-Tek DTLAPY133-1 to descriptor override (diff) | |
| parent | Merge tag 'platform-drivers-x86-v4.20-1' of git://git.infradead.org/linux-platform-drivers-x86 (diff) | |
| download | linux-dev-0c7244209588630a9b45e52490ef1390e04499a6.tar.xz linux-dev-0c7244209588630a9b45e52490ef1390e04499a6.zip | |
Merge branch 'master' into for-4.20/upstream-fixes
Pull in a merge commit that brought in 3b692c55e58d ("HID: asus: only
support backlight when it's not driven by WMI") so that fixup could be
applied on top of it.
Diffstat (limited to 'drivers/iommu/io-pgtable.h')
| -rw-r--r-- | drivers/iommu/io-pgtable.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h index 2df79093cad9..47d5ae559329 100644 --- a/drivers/iommu/io-pgtable.h +++ b/drivers/iommu/io-pgtable.h @@ -71,12 +71,17 @@ struct io_pgtable_cfg { * be accessed by a fully cache-coherent IOMMU or CPU (e.g. for a * software-emulated IOMMU), such that pagetable updates need not * be treated as explicit DMA data. + * + * IO_PGTABLE_QUIRK_NON_STRICT: Skip issuing synchronous leaf TLBIs + * on unmap, for DMA domains using the flush queue mechanism for + * delayed invalidation. */ #define IO_PGTABLE_QUIRK_ARM_NS BIT(0) #define IO_PGTABLE_QUIRK_NO_PERMS BIT(1) #define IO_PGTABLE_QUIRK_TLBI_ON_MAP BIT(2) #define IO_PGTABLE_QUIRK_ARM_MTK_4GB BIT(3) #define IO_PGTABLE_QUIRK_NO_DMA BIT(4) + #define IO_PGTABLE_QUIRK_NON_STRICT BIT(5) unsigned long quirks; unsigned long pgsize_bitmap; unsigned int ias; |