Re: [PATCH v3 0/2] x86, mtrr: fixs for mtrr_cleanup

2013-06-18 Thread Yinghai Lu
On Tue, Jun 18, 2013 at 10:33 AM, H. Peter Anvin wrote: > On 06/18/2013 12:28 PM, Yinghai Lu wrote: >> On Tue, Jun 18, 2013 at 9:29 AM, H. Peter Anvin wrote: >>> >>> On this subject: what do we need to happen to be able to dump the MTRR >>> cleanup stuff? >> >> the old x server like to add Write-

Re: [PATCH v3 0/2] x86, mtrr: fixs for mtrr_cleanup

2013-06-18 Thread H. Peter Anvin
On 06/18/2013 12:28 PM, Yinghai Lu wrote: > On Tue, Jun 18, 2013 at 9:29 AM, H. Peter Anvin wrote: >> >> On this subject: what do we need to happen to be able to dump the MTRR >> cleanup stuff? > > the old x server like to add Write-combining entry in MTRR. > looks like drm for mga200 is adding t

Re: [PATCH v3 0/2] x86, mtrr: fixs for mtrr_cleanup

2013-06-18 Thread Yinghai Lu
On Tue, Jun 18, 2013 at 9:29 AM, H. Peter Anvin wrote: > > On this subject: what do we need to happen to be able to dump the MTRR > cleanup stuff? the old x server like to add Write-combining entry in MTRR. looks like drm for mga200 is adding that too ? We need to make them to use PAT instead.

Re: [PATCH v3 0/2] x86, mtrr: fixs for mtrr_cleanup

2013-06-18 Thread H. Peter Anvin
On 06/13/2013 03:17 PM, Yinghai Lu wrote: > Joshua reported: Commit cd7b304dfaf1 (x86, range: fix missing merge > during add range) broke mtrr cleanup on his setup in 3.9.5. > corresponding commit in upstream is fbe06b7bae7c. > > *BAD*gran_size: 64K chunk_size: 16M num_reg: 6 lose cover RAM: -0G

[PATCH v3 0/2] x86, mtrr: fixs for mtrr_cleanup

2013-06-13 Thread Yinghai Lu
Joshua reported: Commit cd7b304dfaf1 (x86, range: fix missing merge during add range) broke mtrr cleanup on his setup in 3.9.5. corresponding commit in upstream is fbe06b7bae7c. *BAD*gran_size: 64K chunk_size: 16M num_reg: 6 lose cover RAM: -0G https://bugzilla.kernel.org/show_bug.cgi?id=59491