Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-10 Thread Michael Ellerman
Michal Suchánek writes: > On Wed, 8 Aug 2018 21:07:11 +0530 > "Aneesh Kumar K.V" wrote: >> On 08/08/2018 08:26 PM, Michael Ellerman wrote: >> > Mahesh J Salgaonkar writes: >> >> From: Mahesh Salgaonkar >> >> >> >> Introduce recovery action for recovered memory errors (MCEs). >> >> There are s

Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-10 Thread Nicholas Piggin
On Thu, 9 Aug 2018 12:26:46 +0200 Michal Suchánek wrote: > On Thu, 9 Aug 2018 18:33:33 +1000 > Nicholas Piggin wrote: > > > On Thu, 9 Aug 2018 13:39:45 +0530 > > Ananth N Mavinakayanahalli wrote: > > > > > On Thu, Aug 09, 2018 at 06:02:53PM +1000, Nicholas Piggin wrote: > > > > On Thu,

Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-09 Thread Michal Suchánek
On Thu, 9 Aug 2018 18:33:33 +1000 Nicholas Piggin wrote: > On Thu, 9 Aug 2018 13:39:45 +0530 > Ananth N Mavinakayanahalli wrote: > > > On Thu, Aug 09, 2018 at 06:02:53PM +1000, Nicholas Piggin wrote: > > > On Thu, 09 Aug 2018 16:34:07 +1000 > > > Michael Ellerman wrote: > > > > > > > "A

Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-09 Thread Nicholas Piggin
On Thu, 9 Aug 2018 13:39:45 +0530 Ananth N Mavinakayanahalli wrote: > On Thu, Aug 09, 2018 at 06:02:53PM +1000, Nicholas Piggin wrote: > > On Thu, 09 Aug 2018 16:34:07 +1000 > > Michael Ellerman wrote: > > > > > "Aneesh Kumar K.V" writes: > > > > On 08/08/2018 08:26 PM, Michael Ellerman wr

Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-09 Thread Ananth N Mavinakayanahalli
On Thu, Aug 09, 2018 at 06:02:53PM +1000, Nicholas Piggin wrote: > On Thu, 09 Aug 2018 16:34:07 +1000 > Michael Ellerman wrote: > > > "Aneesh Kumar K.V" writes: > > > On 08/08/2018 08:26 PM, Michael Ellerman wrote: > > >> Mahesh J Salgaonkar writes: > > >>> From: Mahesh Salgaonkar > > >>>

Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-09 Thread Nicholas Piggin
On Thu, 09 Aug 2018 16:34:07 +1000 Michael Ellerman wrote: > "Aneesh Kumar K.V" writes: > > On 08/08/2018 08:26 PM, Michael Ellerman wrote: > >> Mahesh J Salgaonkar writes: > >>> From: Mahesh Salgaonkar > >>> > >>> Introduce recovery action for recovered memory errors (MCEs). There are > >

Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-08 Thread Michael Ellerman
"Aneesh Kumar K.V" writes: > On 08/08/2018 08:26 PM, Michael Ellerman wrote: >> Mahesh J Salgaonkar writes: >>> From: Mahesh Salgaonkar >>> >>> Introduce recovery action for recovered memory errors (MCEs). There are >>> soft memory errors like SLB Multihit, which can be a result of a bad >>> har

Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-08 Thread Nicholas Piggin
On Thu, 09 Aug 2018 00:56:00 +1000 Michael Ellerman wrote: > Mahesh J Salgaonkar writes: > > From: Mahesh Salgaonkar > > > > Introduce recovery action for recovered memory errors (MCEs). There are > > soft memory errors like SLB Multihit, which can be a result of a bad > > hardware OR software

Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-08 Thread Michal Suchánek
On Wed, 8 Aug 2018 21:07:11 +0530 "Aneesh Kumar K.V" wrote: > On 08/08/2018 08:26 PM, Michael Ellerman wrote: > > Mahesh J Salgaonkar writes: > >> From: Mahesh Salgaonkar > >> > >> Introduce recovery action for recovered memory errors (MCEs). > >> There are soft memory errors like SLB Multihi

Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-08 Thread Aneesh Kumar K.V
On 08/08/2018 08:26 PM, Michael Ellerman wrote: Mahesh J Salgaonkar writes: From: Mahesh Salgaonkar Introduce recovery action for recovered memory errors (MCEs). There are soft memory errors like SLB Multihit, which can be a result of a bad hardware OR software BUG. Kernel can easily recover

Re: [PATCH v7 8/9] powerpc/mce: Add sysctl control for recovery action on MCE.

2018-08-08 Thread Michael Ellerman
Mahesh J Salgaonkar writes: > From: Mahesh Salgaonkar > > Introduce recovery action for recovered memory errors (MCEs). There are > soft memory errors like SLB Multihit, which can be a result of a bad > hardware OR software BUG. Kernel can easily recover from these soft errors > by flushing SLB c