Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA

2021-03-08 Thread Greg KH
On Mon, Mar 08, 2021 at 11:20:03AM +0800, Jing Xiangfeng wrote: > > > On 2021/3/7 23:24, Greg KH wrote: > > On Thu, Mar 04, 2021 at 04:09:28PM +0100, Nicolas Saenz Julienne wrote: > > > On Thu, 2021-03-04 at 15:17 +0100, Greg KH wrote: > > > > On Thu, Mar 04, 2021 at 03:05:32PM +0100, Nicolas

Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA

2021-03-07 Thread Jing Xiangfeng
On 2021/3/7 23:24, Greg KH wrote: On Thu, Mar 04, 2021 at 04:09:28PM +0100, Nicolas Saenz Julienne wrote: On Thu, 2021-03-04 at 15:17 +0100, Greg KH wrote: On Thu, Mar 04, 2021 at 03:05:32PM +0100, Nicolas Saenz Julienne wrote: Hi Greg. On Thu, 2021-03-04 at 14:46 +0100, Greg KH wrote:

Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA

2021-03-07 Thread Greg KH
On Thu, Mar 04, 2021 at 04:09:28PM +0100, Nicolas Saenz Julienne wrote: > On Thu, 2021-03-04 at 15:17 +0100, Greg KH wrote: > > On Thu, Mar 04, 2021 at 03:05:32PM +0100, Nicolas Saenz Julienne wrote: > > > Hi Greg. > > > > > > On Thu, 2021-03-04 at 14:46 +0100, Greg KH wrote: > > > > On Wed, Mar

Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA

2021-03-04 Thread Nicolas Saenz Julienne
On Thu, 2021-03-04 at 15:17 +0100, Greg KH wrote: > On Thu, Mar 04, 2021 at 03:05:32PM +0100, Nicolas Saenz Julienne wrote: > > Hi Greg. > > > > On Thu, 2021-03-04 at 14:46 +0100, Greg KH wrote: > > > On Wed, Mar 03, 2021 at 03:33:12PM +0800, Jing Xiangfeng wrote: > > > > Using two distinct DMA

Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA

2021-03-04 Thread Greg KH
On Thu, Mar 04, 2021 at 03:05:32PM +0100, Nicolas Saenz Julienne wrote: > Hi Greg. > > On Thu, 2021-03-04 at 14:46 +0100, Greg KH wrote: > > On Wed, Mar 03, 2021 at 03:33:12PM +0800, Jing Xiangfeng wrote: > > > Using two distinct DMA zones turned out to be problematic. Here's an > > > attempt go

Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA

2021-03-04 Thread Nicolas Saenz Julienne
Hi Greg. On Thu, 2021-03-04 at 14:46 +0100, Greg KH wrote: > On Wed, Mar 03, 2021 at 03:33:12PM +0800, Jing Xiangfeng wrote: > > Using two distinct DMA zones turned out to be problematic. Here's an > > attempt go back to a saner default. > > What problem does this solve? How does this fit into

Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA

2021-03-04 Thread Greg KH
On Wed, Mar 03, 2021 at 03:33:12PM +0800, Jing Xiangfeng wrote: > Using two distinct DMA zones turned out to be problematic. Here's an > attempt go back to a saner default. What problem does this solve? How does this fit into the stable kernel rules? thanks, greg k-h

[PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA

2021-03-03 Thread Jing Xiangfeng
Using two distinct DMA zones turned out to be problematic. Here's an attempt go back to a saner default. Ard Biesheuvel (1): arm64: mm: Set ZONE_DMA size based on early IORT scan Nicolas Saenz Julienne (6): arm64: mm: Move reserve_crashkernel() into mem_init() arm64: mm: Move zone_dma_bits