Re: [PATCH] x86: don't rely on VMWare emulating PAT MSR correctly

2015-01-06 Thread Juergen Gross
x86 maintainers, could you please consider taking my patch? There have been several reports now regarding this issue, all could be fixed using my patch. Juergen On 12/17/2014 05:57 AM, Alok Kataria wrote: Hi, On Tue, 2014-12-16 at 10:58 +0100, Juergen Gross wrote: VMWare seems not to emulate

Re: [PATCH] x86: don't rely on VMWare emulating PAT MSR correctly

2014-12-16 Thread Alok Kataria
Hi, On Tue, 2014-12-16 at 10:58 +0100, Juergen Gross wrote: > VMWare seems not to emulate the PAT MSR correctly: reaeding > MSR_IA32_CR_PAT returns 0 even after writing another value to it. > > Detect this bug and don't use the read value if it is 0. > > Commit bd809af16e3ab1f8d55b3e2928c47c67e2

Re: [PATCH] x86: don't rely on VMWare emulating PAT MSR correctly

2014-12-16 Thread Juergen Gross
On 12/16/2014 05:47 PM, H. Peter Anvin wrote: On 12/16/2014 01:58 AM, Juergen Gross wrote: VMWare seems not to emulate the PAT MSR correctly: reaeding MSR_IA32_CR_PAT returns 0 even after writing another value to it. Detect this bug and don't use the read value if it is 0. Commit bd809af16e3ab

Re: [PATCH] x86: don't rely on VMWare emulating PAT MSR correctly

2014-12-16 Thread H. Peter Anvin
On 12/16/2014 01:58 AM, Juergen Gross wrote: > VMWare seems not to emulate the PAT MSR correctly: reaeding > MSR_IA32_CR_PAT returns 0 even after writing another value to it. > > Detect this bug and don't use the read value if it is 0. > > Commit bd809af16e3ab1f8d55b3e2928c47c67e2a865d2 ("x86: En

[PATCH] x86: don't rely on VMWare emulating PAT MSR correctly

2014-12-16 Thread Juergen Gross
VMWare seems not to emulate the PAT MSR correctly: reaeding MSR_IA32_CR_PAT returns 0 even after writing another value to it. Detect this bug and don't use the read value if it is 0. Commit bd809af16e3ab1f8d55b3e2928c47c67e2a865d2 ("x86: Enable PAT to use cache mode translation tables") triggers