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Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... Yinghai Lu wrote: > > [PATCH] x86: pat cpu feature bit setting for known cpus ... late identify_cpu. > > > > diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/ ... index 3f1dc97..ddaaaaa 100644 > > --- a/arch/x86/kernel/setup_64.c > > +++ b/arch/x86 ...

linux-kernel - Yinghai Lu - Mar 28 2008 - 10:51

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... Lu wrote: > > > [PATCH] x86: pat cpu feature bit setting for known ... question: what is the motivation for having this as a > > whitelist ( ... > Venkatesh could tell? Main reason for white-list at this point ... if there is a need for this on older CPUs, I ...

linux-kernel - Venki Pallipadi - Mar 25 2008 - 15:08

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... Lu wrote: > [PATCH] x86: pat cpu feature bit setting for known ... > diff --git a/arch/x86/kernel/cpu/common.c b/arch/ ... a function? > diff --git a/arch/x86/kernel/setup_64.c b/arch/ ... 3f1dc97..ddaaaaa 100644 > --- a/arch/x86/kernel/setup_64.c > +++ b/arch/ ...

linux-kernel - Pavel Machek - Mar 28 2008 - 09:41

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... , Yinghai Lu wrote: > [PATCH] x86: pat cpu feature bit setting for known cpus > ... updated every time a new AMD CPU is released. > + break; > + case X86_VENDOR_INTEL: > ... intel the same way... at least for the numerous core2 processor models. - ...

linux-kernel - dean gaudet - Mar 30 2008 - 07:43

RE: [PATCH] x86: pat cpu feature bit setting for known cpus

... B >Subject: Re: [PATCH] x86: pat cpu feature bit setting for ... effect of this. >> > >> > if the PAT works, we may need to ... t seem like it's specific to PAT? > >could page table to ... already done by Jesse's patch here commit 99fc8d424bc5d80 Are you ...

linux-kernel - Pallipadi, Venkatesh - Mar 25 2008 - 19:38

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... , Suresh B > >Subject: Re: [PATCH] x86: pat cpu feature bit setting for known ... undesirable effect of this. > >> > > >> > if the PAT works, we may need to trim ... is already done by Jesse's patch here > commit 99fc8d424bc5d80 > Are you referring ...

linux-kernel - Yinghai Lu - Mar 25 2008 - 20:01

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

* Yinghai Lu wrote: > [PATCH] x86: pat cpu feature bit setting for known cpus thanks, applied - ... this to widen the testing scope of the PAT changes. Ingo -- To unsubscribe from this list: send ...

linux-kernel - Ingo Molnar - Mar 25 2008 - 06:58

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

Yinghai Lu wrote: > [PATCH] x86: pat cpu feature bit setting for known cpus > > Signed-off-by: Yinghai Lu OK, note previous question: what is the motivation for having this as a whitelist (as opposed to ...

linux-kernel - H. Peter Anvin - Mar 25 2008 - 09:38

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... Anvin wrote: > Yinghai Lu wrote: > > [PATCH] x86: pat cpu feature bit setting for known cpus > > > > ... > OK, note previous question: what is the motivation for having this as a > whitelist (as opposed to a ...

linux-kernel - Yinghai Lu - Mar 25 2008 - 14:03

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... note previous question: what is the motivation for having > >>>>> this as a whitelist (as ... . Focussing on getting the > >>> support for this feature on current and future CPUs. ... an undesirable effect of this. if the PAT works, we may need to trim the ...

linux-kernel - Yinghai Lu - Mar 25 2008 - 19:05

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... note previous question: what is the motivation for having > > > this as a whitelist (as ... > > Venkatesh could tell? > > Main reason for white-list at this point is not ... . Focussing on getting the > support for this feature on current and future CPUs. ...

linux-kernel - Ingo Molnar - Mar 25 2008 - 16:08

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... note previous question: what is the motivation for having >>>> this as a whitelist (as ... )? >>> Venkatesh could tell? >> Main reason for white-list at this point is not ... . Focussing on getting the >> support for this feature on current and future CPUs. ...

linux-kernel - H. Peter Anvin - Mar 25 2008 - 16:38

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... note previous question: what is the motivation for having >>>>> this as a whitelist (as ... )? >>>> Venkatesh could tell? >>> Main reason for white-list at this point is ... . Focussing on getting the >>> support for this feature on current and future CPUs. ...

linux-kernel - H. Peter Anvin - Mar 25 2008 - 19:01

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... that it's an undesirable effect of this. > > > > if the PAT works, we may need to trim the memory according to ... > > > That doesn't seem like it's specific to PAT? could page table to set WRBACK the range that is not covered by MTRR in e820.. ...

linux-kernel - Yinghai Lu - Mar 25 2008 - 19:08

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... , just that it's an undesirable effect of this. > > if the PAT works, we may need to trim the memory according to MTRR, right? > That doesn't seem like it's specific to PAT? -hpa -- To unsubscribe from this list: send the line "unsubscribe ...

linux-kernel - H. Peter Anvin - Mar 25 2008 - 19:06

Re: [PATCH] x86: pat cpu feature bit setting for known cpus

... an undesirable effect of this. >> > >> > if the PAT works, we may need to trim the ... doesn't seem like it's specific to PAT? > > could page table to set WRBACK the range that ... up using uncached memory and then we're in a world of hurt. -hpa ...

linux-kernel - H. Peter Anvin - Mar 25 2008 - 20:10

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