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

2017-09-26 Thread Miles Chen
On Tue, 2017-09-26 at 15:53 +0100, Robin Murphy wrote: > On 26/09/17 14:24, miles.c...@mediatek.com wrote: > > From: Miles Chen > > > > dma-debug report 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] dma-debug: fix incorrect pfn calculation

2017-09-26 Thread Robin Murphy
On 26/09/17 14:24, miles.c...@mediatek.com wrote: > From: Miles Chen > > dma-debug report 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=0x08

[PATCH] dma-debug: fix incorrect pfn calculation

2017-09-26 Thread miles.chen
From: Miles Chen dma-debug report 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 O4.4.