Re: [PATCH v3] powerpc/pseries: Avoid using addr_to_pfn in realmode

2020-07-22 Thread Ganesh
On 7/21/20 3:38 PM, Nicholas Piggin wrote: Excerpts from Ganesh Goudar's message of July 20, 2020 6:03 pm: 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

Re: [PATCH v3] powerpc/pseries: Avoid using addr_to_pfn in realmode

2020-07-21 Thread Nicholas Piggin
Excerpts from Ganesh Goudar's message of July 20, 2020 6:03 pm: > 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, recen

Re: [PATCH v3] powerpc/pseries: Avoid using addr_to_pfn in realmode

2020-07-20 Thread kernel test robot
Hi Ganesh, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on powerpc/next] [also build test WARNING on v5.8-rc6 next-20200720] [cannot apply to mpe/next scottwood/next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting pat

[PATCH v3] powerpc/pseries: Avoid using addr_to_pfn in realmode

2020-07-20 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 realmode, which can be