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Re: [Bug 10328] New: [regression] performance drop for glx

... .org/show_bug.cgi?id=10328 > > Summary: [regression] performance drop for glx > Product: Memory Management > ... : Other > AssignedTo: akpm@osdl.org > ReportedBy: bug-track@fisher-privat.net > > > after commit ...

linux-kernel - Andrew Morton - Mar 25 2008 - 18:28

Re: [Bug 10328] New: [regression] performance drop for glx

... .cgi?id=10328 >>> >>> Summary: [regression] performance drop for glx >>> >>> after commit ... really desired >> : >> : Also use _PAGE_PWT for all the mappings which need ... fb drivers to use this new ioremap_wc() API. > > We can take ...

linux-kernel - Arjan van de Ven - Mar 26 2008 - 00:42

Re: [Bug 10328] New: [regression] performance drop for glx

... /show_bug.cgi?id=10328 > > >>> > > >>> Summary: [regression] performance drop for glx > > > > > > Alexey, Can you ... outlined. Thanks. --- [patch] use UC minus for ioremap(), ioremap_nocache() and pci_mmap_page_range() Use UC_MINUS ...

linux-kernel - Suresh Siddha - Apr 25 2008 - 20:07

Re: [Bug 10328] New: [regression] performance drop for glx

... .cgi?id=3D10328 > >>> > >>> Summary: [regression] performance drop for glx > >>> > >>> after commit 4138cc3418f5eaa7524ff8e927102863f1ba0ea5 i ... reserve_memtype and free_memtype are new interfaces for maintaining alias-free mapping. ...

linux-kernel - Alexey Fisher - Apr 25 2008 - 01:35

Re: [Bug 10328] New: [regression] performance drop for glx

... /show_bug.cgi?id=3D10328 > > > >>> > > > >>> Summary: [regression] performance drop for glx > > > >=20 > > > > Alexey, Can you please ... > --- >=20 > [patch] use UC minus for ioremap(), ioremap_nocache() and pci_mmap_page_r= ange() >=20 > ...

linux-kernel - Alexey Fisher - Apr 26 2008 - 07:43

Re: [Bug 10328] New: [regression] performance drop for glx

... .git. Ingo -----------> Subject: x86 PAT: fix performance drop for glx, use ... pci_mmap_page_range() will also use UC_MINUS for default non write-combining mapping ... ioremap_nocache() defaults to UC MINUS for now. + * To avoid attribute conflicts, ...

linux-kernel - Ingo Molnar - Apr 28 2008 - 12:34

Re: [Bug 10328] New: [regression] performance drop for glx

... previous UC-). > > This breaks the graphics performance, as the effective memory type is ... > fb drivers to use this new ioremap_wc() API. > > > > We can take this ... back to the UC- behavior for ioremap/ioremap_nocache. > > thanks Suresh, applied. ...

linux-kernel - Suresh Siddha - Mar 26 2008 - 13:55

Re: [Bug 10328] New: [regression] performance drop for glx

... previous UC-). > This breaks the graphics performance, as the effective memory type is ... > fb drivers to use this new ioremap_wc() API. > > We can take this ... revert back to the UC- behavior for ioremap/ioremap_nocache. thanks Suresh, applied. ...

linux-kernel - Ingo Molnar - Mar 26 2008 - 01:29

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