Re: [PATCH 1/2] lockdep: improve current->(hard|soft)irqs_enabled synchronisation with actual irq state

2020-07-23 Thread Nicholas Piggin
Excerpts from Alexey Kardashevskiy's message of July 24, 2020 2:16 pm: > > > On 23/07/2020 23:11, Nicholas Piggin wrote: >> Excerpts from Peter Zijlstra's message of July 23, 2020 9:40 pm: >>> On Thu, Jul 23, 2020 at 08:56:14PM +1000, Nicholas Piggin wrote: >>> diff --git a/arch/powerpc/incl

Re: [PATCH 1/2] lockdep: improve current->(hard|soft)irqs_enabled synchronisation with actual irq state

2020-07-23 Thread Athira Rajeev
> On 24-Jul-2020, at 9:46 AM, Alexey Kardashevskiy wrote: > > > > On 23/07/2020 23:11, Nicholas Piggin wrote: >> Excerpts from Peter Zijlstra's message of July 23, 2020 9:40 pm: >>> On Thu, Jul 23, 2020 at 08:56:14PM +1000, Nicholas Piggin wrote: >>> diff --git a/arch/powerpc/include/a

Re: [v4] powerpc/perf: Initialize power10 PMU registers in cpu setup routine

2020-07-23 Thread Athira Rajeev
> On 24-Jul-2020, at 8:32 AM, kernel test robot wrote: > > Hi Athira, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on powerpc/next] > [also build test ERROR on v5.8-rc6 next-20200723] > [cannot apply to mpe/next scottwoo

Re: [PATCH v2 2/3] powerpc/powernv/idle: save-restore DAWR0,DAWRX0 for P10

2020-07-23 Thread Pratik Sampat
On 24/07/20 6:55 am, Michael Neuling wrote: On Fri, 2020-07-10 at 10:52 +0530, Pratik Rajesh Sampat wrote: Additional registers DAWR0, DAWRX0 may be lost on Power 10 for stop levels < 4. Therefore save the values of these SPRs before entering a "stop" state and restore their values on wakeup

[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

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