Re: [PATCH v4] powerpc/pseries: Avoid using addr_to_pfn in real mode

2020-10-24 Thread Michael Ellerman
On Fri, 24 Jul 2020 12:09:46 +0530, Ganesh Goudar wrote: > When an UE or memory error exception is encountered the MCE handler > tries to find the pfn using addr_to_pfn() which takes effective > address as an argument, later pfn is used to poison the page where > memory error occurred, recent rewor

Re: [PATCH v4] powerpc/pseries: Avoid using addr_to_pfn in real mode

2020-10-21 Thread Michael Ellerman
Ganesh writes: > On 7/24/20 12:09 PM, Ganesh Goudar wrote: > >> When an UE or memory error exception is encountered the MCE handler >> tries to find the pfn using addr_to_pfn() which takes effective >> address as an argument, later pfn is used to poison the page where >> memory error occurred, rec

Re: [PATCH v4] powerpc/pseries: Avoid using addr_to_pfn in real mode

2020-10-20 Thread Ganesh
On 7/24/20 12:09 PM, Ganesh Goudar wrote: When an UE or memory error exception is encountered the MCE handler tries to find the pfn using addr_to_pfn() which takes effective address as an argument, later pfn is used to poison the page where memory error occurred, recent rework in this area made

[PATCH v4] powerpc/pseries: Avoid using addr_to_pfn in real mode

2020-07-23 Thread Ganesh Goudar
When an UE or memory error exception is encountered the MCE handler tries to find the pfn using addr_to_pfn() which takes effective address as an argument, later pfn is used to poison the page where memory error occurred, recent rework in this area made addr_to_pfn to run in real mode, which can be