Re: [PATCH v7 7/9] powerpc/pseries: Dump the SLB contents on SLB MCE errors.

2018-08-14 Thread Aneesh Kumar K.V
On 08/14/2018 04:27 PM, Mahesh Jagannath Salgaonkar wrote: On 08/13/2018 07:57 PM, Nicholas Piggin wrote: On Mon, 13 Aug 2018 09:47:04 +0530 Mahesh Jagannath Salgaonkar wrote: On 08/11/2018 10:03 AM, Nicholas Piggin wrote: On Tue, 07 Aug 2018 19:47:39 +0530 Mahesh J Salgaonkar wrote: F

Re: [PATCH v7 7/9] powerpc/pseries: Dump the SLB contents on SLB MCE errors.

2018-08-14 Thread Mahesh Jagannath Salgaonkar
On 08/13/2018 07:57 PM, Nicholas Piggin wrote: > On Mon, 13 Aug 2018 09:47:04 +0530 > Mahesh Jagannath Salgaonkar wrote: > >> On 08/11/2018 10:03 AM, Nicholas Piggin wrote: >>> On Tue, 07 Aug 2018 19:47:39 +0530 >>> Mahesh J Salgaonkar wrote: >>> From: Mahesh Salgaonkar If we

Re: [PATCH v7 7/9] powerpc/pseries: Dump the SLB contents on SLB MCE errors.

2018-08-13 Thread Nicholas Piggin
On Mon, 13 Aug 2018 09:47:04 +0530 Mahesh Jagannath Salgaonkar wrote: > On 08/11/2018 10:03 AM, Nicholas Piggin wrote: > > On Tue, 07 Aug 2018 19:47:39 +0530 > > Mahesh J Salgaonkar wrote: > > > >> From: Mahesh Salgaonkar > >> > >> If we get a machine check exceptions due to SLB errors then

Re: [PATCH v7 7/9] powerpc/pseries: Dump the SLB contents on SLB MCE errors.

2018-08-12 Thread Mahesh Jagannath Salgaonkar
On 08/11/2018 10:03 AM, Nicholas Piggin wrote: > On Tue, 07 Aug 2018 19:47:39 +0530 > Mahesh J Salgaonkar wrote: > >> From: Mahesh Salgaonkar >> >> If we get a machine check exceptions due to SLB errors then dump the >> current SLB contents which will be very much helpful in debugging the >> roo

Re: [PATCH v7 7/9] powerpc/pseries: Dump the SLB contents on SLB MCE errors.

2018-08-10 Thread Nicholas Piggin
On Tue, 07 Aug 2018 19:47:39 +0530 Mahesh J Salgaonkar wrote: > From: Mahesh Salgaonkar > > If we get a machine check exceptions due to SLB errors then dump the > current SLB contents which will be very much helpful in debugging the > root cause of SLB errors. Introduce an exclusive buffer per

Re: [PATCH v7 7/9] powerpc/pseries: Dump the SLB contents on SLB MCE errors.

2018-08-10 Thread Mahesh Jagannath Salgaonkar
On 08/10/2018 04:02 PM, Mahesh Jagannath Salgaonkar wrote: > On 08/09/2018 06:35 AM, Michael Ellerman wrote: >> Mahesh J Salgaonkar writes: >> >>> diff --git a/arch/powerpc/include/asm/paca.h >>> b/arch/powerpc/include/asm/paca.h >>> index 7f22929ce915..233d25ff6f64 100644 >>> --- a/arch/powerpc/

Re: [PATCH v7 7/9] powerpc/pseries: Dump the SLB contents on SLB MCE errors.

2018-08-10 Thread Mahesh Jagannath Salgaonkar
On 08/09/2018 06:35 AM, Michael Ellerman wrote: > Mahesh J Salgaonkar writes: > >> diff --git a/arch/powerpc/include/asm/paca.h >> b/arch/powerpc/include/asm/paca.h >> index 7f22929ce915..233d25ff6f64 100644 >> --- a/arch/powerpc/include/asm/paca.h >> +++ b/arch/powerpc/include/asm/paca.h >> @@

Re: [PATCH v7 7/9] powerpc/pseries: Dump the SLB contents on SLB MCE errors.

2018-08-08 Thread Michael Ellerman
Mahesh J Salgaonkar writes: > diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h > index 7f22929ce915..233d25ff6f64 100644 > --- a/arch/powerpc/include/asm/paca.h > +++ b/arch/powerpc/include/asm/paca.h > @@ -254,6 +254,10 @@ struct paca_struct { > #endif > #ifdef CO