Re: [PATCH] dma-mapping: remove unused attrs parameter to dma_common_get_sgtable

On Fri, Jan 04, 2019 at 01:45:26AM +, Huaisheng HS1 Ye wrote: > From: Stefano Stabellini > Sent: Friday, January 04, 2019 1:55 AM > > On Thu, 3 Jan 2019, Huaisheng Ye wrote: > > > From: Huaisheng Ye > > > > > > dma_common_get_sgtable has parameter attrs which is not used at all. > > > Remove

[PATCH] dma-mapping: remove unused attrs parameter to dma_common_get_sgtable

From: Huaisheng Ye dma_common_get_sgtable has parameter attrs which is not used at all. Remove it. Signed-off-by: Huaisheng Ye Acked-by: Stefano Stabellini --- drivers/xen/swiotlb-xen.c | 2 +- include/linux/dma-mapping.h | 2 +- kernel/dma/mapping.c| 6 ++ 3 files changed, 4 in

Re: [PATCH] dma-mapping: remove unused attrs parameter to dma_common_get_sgtable

From: Stefano Stabellini Sent: Friday, January 04, 2019 1:55 AM > On Thu, 3 Jan 2019, Huaisheng Ye wrote: > > From: Huaisheng Ye > > > > dma_common_get_sgtable has parameter attrs which is not used at all. > > Remove it. > > > > Signed-off-by: Huaisheng Ye > > Acked-by: Stefano Stabellini > >

Re: [PATCH v2 1/2] swiotlb: add debugfs to track swiotlb buffer usage

Hi Konrad, Would you please take a look on those two patches? In addition, there is another patch correcting an error in comment. https://lkml.org/lkml/2018/12/5/1721 Thank you very much! Dongli Zhang On 12/11/2018 05:05 AM, Joe Jin wrote: > On 12/10/18 12:00 PM, Tim Chen wrote: >>> @@ -528,6

Re: iommu_intel or i915 regression in 4.18, 4.19.12 and drm-tip

Joonas Lahtinen wrote: > Quoting Eric Wong (2018-12-27 13:49:48) > > I just got a used Thinkpad X201 (Core i5 M 520, Intel QM57 > > chipset) and hit some kernel panics while trying to view > > image/animation-intensive stuff in Firefox (X11) unless I use > > "iommu_intel=igfx_off". > > > > With D

Re: [PATCH 1/1] iova: Allow compiling the library without IOMMU support

- Original Message - > From: "Sakari Ailus" > Sent: Thursday, January 3, 2019 2:11:27 PM Hi Laurent and Sakari, I don't have much else to offer here, but wanted to second Sakari's use case below. > Hi Laurent, > > On Thu, Jan 03, 2019 at 12:52:00AM +0200, Laurent Pinchart wrote: >> Hi

Re: [PATCH 1/1] iova: Allow compiling the library without IOMMU support

Hi Laurent, On Thu, Jan 03, 2019 at 12:52:00AM +0200, Laurent Pinchart wrote: > Hi Sakari, > > Thank you for the patch. > > On Wednesday, 2 January 2019 23:16:57 EET Sakari Ailus wrote: > > Drivers such as the Intel IPU3 ImgU driver use the IOVA library to manage > > the device's own virtual add

Re: use generic DMA mapping code in powerpc V4

Hi Christoph, Happy new year for you too. Unfortunately we have some problems with the latest DRM patches. They modified a lot and some graphics cards don’t work anymore. During the holidays we tried to figure out where the problems are but without any success. I will try to test your patches

Re: [PATCH] dma-mapping: remove unused attrs parameter to dma_common_get_sgtable

On Thu, 3 Jan 2019, Huaisheng Ye wrote: > From: Huaisheng Ye > > dma_common_get_sgtable has parameter attrs which is not used at all. > Remove it. > > Signed-off-by: Huaisheng Ye Acked-by: Stefano Stabellini FYI the patch doesn't apply cleanly to master. > --- > drivers/xen/swiotlb-xen.c

Re: [PATCH 02/15] swiotlb: remove dma_mark_clean

On Wed, Jan 2, 2019 at 11:23 PM Christoph Hellwig wrote: > I think something like the patch below should fix it: > > diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig > index ccd56f5df8cd..8d7396bd1790 100644 > --- a/arch/ia64/Kconfig > +++ b/arch/ia64/Kconfig > @@ -31,7 +31,7 @@ config IA64 >

[PATCH] dma-mapping: remove unused attrs parameter to dma_common_get_sgtable

From: Huaisheng Ye dma_common_get_sgtable has parameter attrs which is not used at all. Remove it. Signed-off-by: Huaisheng Ye --- drivers/xen/swiotlb-xen.c | 2 +- include/linux/dma-mapping.h | 5 ++--- kernel/dma/mapping.c| 3 +-- 3 files changed, 4 insertions(+), 6 deletions(-) d