Re: linux-next: boot failure after merge of the dma-mapping tree

2020-08-20 Thread Nicolin Chen
On Thu, Aug 20, 2020 at 05:49:41PM +0200, Christoph Hellwig wrote: > On Thu, Aug 20, 2020 at 01:36:17AM -0700, Nicolin Chen wrote: > > Took a quick look -- the boundary_size is seemingly passed from > > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/powerpc/kernel/iom

Re: linux-next: boot failure after merge of the dma-mapping tree

2020-08-20 Thread Christoph Hellwig
On Thu, Aug 20, 2020 at 01:36:17AM -0700, Nicolin Chen wrote: > Took a quick look -- the boundary_size is seemingly passed from > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/powerpc/kernel/iommu.c#n240 > > boundary_size = ALIGN(dma_get_seg_boundary(dev) + 1,

Re: linux-next: boot failure after merge of the dma-mapping tree

2020-08-20 Thread Nicolin Chen
Hi Stephen, On Thu, Aug 20, 2020 at 03:51:12PM +1000, Stephen Rothwell wrote: > Hi all, > > After merging the dma-mapping tree, today's linux-next build (powerpc > pseries_le_defconfig) failed like this: > > [1.829053][T1] [ cut here ] > [1.829629][T1] ker

linux-next: boot failure after merge of the dma-mapping tree

2020-08-19 Thread Stephen Rothwell
Hi all, After merging the dma-mapping tree, today's linux-next build (powerpc pseries_le_defconfig) failed like this: [1.829053][T1] [ cut here ] [1.829629][T1] kernel BUG at include/linux/iommu-helper.h:21! [1.830182][T1] Oops: Exception in kernel