Re: [BUG] Devices breaking due to CONFIG_ZONE_DEVICE

2016-01-24 Thread Borislav Petkov
+ linux-mm On Fri, Jan 22, 2016 at 10:15:17PM -0800, Dan Williams wrote: > On Fri, Jan 22, 2016 at 9:47 PM, Dan Williams > wrote: > > On Fri, Jan 22, 2016 at 8:46 PM, Sudip Mukherjee > > wrote: > >> Hi All, > >> Commit 033fbae988fc ("mm: ZONE_DEVICE for "device memory"") has > >> introduced CON

Re: [BUG] Devices breaking due to CONFIG_ZONE_DEVICE

2016-01-22 Thread Dan Williams
On Fri, Jan 22, 2016 at 9:47 PM, Dan Williams wrote: > On Fri, Jan 22, 2016 at 8:46 PM, Sudip Mukherjee > wrote: >> Hi All, >> Commit 033fbae988fc ("mm: ZONE_DEVICE for "device memory"") has >> introduced CONFIG_ZONE_DEVICE while sacrificing CONFIG_ZONE_DMA. >> Distributions like Ubuntu has start

Re: [BUG] Devices breaking due to CONFIG_ZONE_DEVICE

2016-01-22 Thread Dan Williams
On Fri, Jan 22, 2016 at 8:46 PM, Sudip Mukherjee wrote: > Hi All, > Commit 033fbae988fc ("mm: ZONE_DEVICE for "device memory"") has > introduced CONFIG_ZONE_DEVICE while sacrificing CONFIG_ZONE_DMA. > Distributions like Ubuntu has started enabling CONFIG_ZONE_DEVICE and > thus breaking parallel po

[BUG] Devices breaking due to CONFIG_ZONE_DEVICE

2016-01-22 Thread Sudip Mukherjee
Hi All, Commit 033fbae988fc ("mm: ZONE_DEVICE for "device memory"") has introduced CONFIG_ZONE_DEVICE while sacrificing CONFIG_ZONE_DMA. Distributions like Ubuntu has started enabling CONFIG_ZONE_DEVICE and thus breaking parallel port. Please have a look at https://bugzilla.kernel.org/show_bug.cgi?