Re: [PATCH v4] dma-debug: fix incorrect pfn calculation

2017-11-16 Thread Andrew Morton
On Fri, 17 Nov 2017 09:23:18 +0800 Miles Chen wrote: > On Thu, 2017-11-16 at 16:13 -0800, Andrew Morton wrote: > > On Fri, 17 Nov 2017 06:56:12 +0800 wrote: > > > > > From: Miles Chen > > > > > > dma-debug reports the

Re: [PATCH v4] dma-debug: fix incorrect pfn calculation

2017-11-16 Thread Andrew Morton
On Fri, 17 Nov 2017 09:23:18 +0800 Miles Chen wrote: > On Thu, 2017-11-16 at 16:13 -0800, Andrew Morton wrote: > > On Fri, 17 Nov 2017 06:56:12 +0800 wrote: > > > > > From: Miles Chen > > > > > > dma-debug reports the following warning: > > > > > > [name:panic&]WARNING: CPU: 3 PID: 298 at

Re: [PATCH v4] dma-debug: fix incorrect pfn calculation

2017-11-16 Thread Miles Chen
On Thu, 2017-11-16 at 16:13 -0800, Andrew Morton wrote: > On Fri, 17 Nov 2017 06:56:12 +0800 wrote: > > > From: Miles Chen > > > > dma-debug reports the following warning: > > > > [name:panic&]WARNING: CPU: 3 PID: 298 at

Re: [PATCH v4] dma-debug: fix incorrect pfn calculation

2017-11-16 Thread Miles Chen
On Thu, 2017-11-16 at 16:13 -0800, Andrew Morton wrote: > On Fri, 17 Nov 2017 06:56:12 +0800 wrote: > > > From: Miles Chen > > > > dma-debug reports the following warning: > > > > [name:panic&]WARNING: CPU: 3 PID: 298 at kernel-4.4/lib/dma-debug.c:604 > > debug _dma_assert_idle+0x1a8/0x230()

Re: [PATCH v4] dma-debug: fix incorrect pfn calculation

2017-11-16 Thread Andrew Morton
On Fri, 17 Nov 2017 06:56:12 +0800 wrote: > From: Miles Chen > > dma-debug reports the following warning: > > [name:panic&]WARNING: CPU: 3 PID: 298 at kernel-4.4/lib/dma-debug.c:604 > debug _dma_assert_idle+0x1a8/0x230() > DMA-API: cpu

Re: [PATCH v4] dma-debug: fix incorrect pfn calculation

2017-11-16 Thread Andrew Morton
On Fri, 17 Nov 2017 06:56:12 +0800 wrote: > From: Miles Chen > > dma-debug reports the following warning: > > [name:panic&]WARNING: CPU: 3 PID: 298 at kernel-4.4/lib/dma-debug.c:604 > debug _dma_assert_idle+0x1a8/0x230() > DMA-API: cpu touching an active dma mapped cacheline

[PATCH v4] dma-debug: fix incorrect pfn calculation

2017-11-16 Thread miles.chen
From: Miles Chen dma-debug reports the following warning: [name:panic&]WARNING: CPU: 3 PID: 298 at kernel-4.4/lib/dma-debug.c:604 debug _dma_assert_idle+0x1a8/0x230() DMA-API: cpu touching an active dma mapped cacheline [cln=0x0882300] CPU: 3 PID: 298 Comm: vold

[PATCH v4] dma-debug: fix incorrect pfn calculation

2017-11-16 Thread miles.chen
From: Miles Chen dma-debug reports the following warning: [name:panic&]WARNING: CPU: 3 PID: 298 at kernel-4.4/lib/dma-debug.c:604 debug _dma_assert_idle+0x1a8/0x230() DMA-API: cpu touching an active dma mapped cacheline [cln=0x0882300] CPU: 3 PID: 298 Comm: vold Tainted: GW O