Re: [PATCH v2] sh_eth: unmap DMA buffers when freeing rings

2017-04-19 Thread David Miller
From: Sergei Shtylyov Date: Wed, 19 Apr 2017 22:09:51 +0300 > On 04/17/2017 11:10 PM, David Miller wrote: > >>> The DMA API debugging (when enabled) causes: >>> >>> WARNING: CPU: 0 PID: 1445 at lib/dma-debug.c:519 >>> add_dma_entry+0xe0/0x12c >>> DMA-API: exceeded 7 overlapping mappings of cache

Re: [PATCH v2] sh_eth: unmap DMA buffers when freeing rings

2017-04-19 Thread Sergei Shtylyov
On 04/17/2017 11:10 PM, David Miller wrote: The DMA API debugging (when enabled) causes: WARNING: CPU: 0 PID: 1445 at lib/dma-debug.c:519 add_dma_entry+0xe0/0x12c DMA-API: exceeded 7 overlapping mappings of cacheline 0x01b2974d to be printed after repeated initialization of the Ether device,

Re: [PATCH v2] sh_eth: unmap DMA buffers when freeing rings

2017-04-19 Thread Sergei Shtylyov
On 04/17/2017 11:10 PM, David Miller wrote: The DMA API debugging (when enabled) causes: WARNING: CPU: 0 PID: 1445 at lib/dma-debug.c:519 add_dma_entry+0xe0/0x12c DMA-API: exceeded 7 overlapping mappings of cacheline 0x01b2974d to be printed after repeated initialization of the Ether device,

Re: [PATCH v2] sh_eth: unmap DMA buffers when freeing rings

2017-04-17 Thread David Miller
From: Sergei Shtylyov Date: Mon, 17 Apr 2017 15:55:22 +0300 > The DMA API debugging (when enabled) causes: > > WARNING: CPU: 0 PID: 1445 at lib/dma-debug.c:519 add_dma_entry+0xe0/0x12c > DMA-API: exceeded 7 overlapping mappings of cacheline 0x01b2974d > > to be printed after repeated initializ

[PATCH v2] sh_eth: unmap DMA buffers when freeing rings

2017-04-17 Thread Sergei Shtylyov
The DMA API debugging (when enabled) causes: WARNING: CPU: 0 PID: 1445 at lib/dma-debug.c:519 add_dma_entry+0xe0/0x12c DMA-API: exceeded 7 overlapping mappings of cacheline 0x01b2974d to be printed after repeated initialization of the Ether device, e.g. suspend/resume or 'ifconfig' up/down. This