Re: [PATCH v1 00/47] mtrr/x86/drivers: bury MTRR

2015-03-20 Thread Andy Lutomirski
On Fri, Mar 20, 2015 at 4:17 PM, Luis R. Rodriguez wrote: > From: "Luis R. Rodriguez" > > When a system has PAT support enabled you don't need to be > using MTRRs. Andy had added arch_phys_wc_add() long ago to > help with this but not all drivers were converted over. We > have to take care to

[PATCH v1 00/47] mtrr/x86/drivers: bury MTRR

2015-03-20 Thread Luis R. Rodriguez
From: "Luis R. Rodriguez" When a system has PAT support enabled you don't need to be using MTRRs. Andy had added arch_phys_wc_add() long ago to help with this but not all drivers were converted over. We have to take care to only convert drivers where we know that the proper ioremap_wc() API has

Re: [PATCH v1 00/47] mtrr/x86/drivers: bury MTRR

2015-03-20 Thread Andy Lutomirski
On Fri, Mar 20, 2015 at 4:17 PM, Luis R. Rodriguez mcg...@do-not-panic.com wrote: From: Luis R. Rodriguez mcg...@suse.com When a system has PAT support enabled you don't need to be using MTRRs. Andy had added arch_phys_wc_add() long ago to help with this but not all drivers were converted

[PATCH v1 00/47] mtrr/x86/drivers: bury MTRR

2015-03-20 Thread Luis R. Rodriguez
From: Luis R. Rodriguez mcg...@suse.com When a system has PAT support enabled you don't need to be using MTRRs. Andy had added arch_phys_wc_add() long ago to help with this but not all drivers were converted over. We have to take care to only convert drivers where we know that the proper