Re: [PATCH v8 03/14] powerpc/vas: Define nx_fault_stamp in coprocessor_request_block

2020-03-25 Thread Michael Ellerman
Haren Myneni writes: > On Mon, 2020-03-23 at 22:32 +1100, Michael Ellerman wrote: >> Nicholas Piggin writes: >> > Haren Myneni's on March 19, 2020 4:13 pm: >> >> >> >> Kernel sets fault address and status in CRB for NX page fault on user >> >> space address after processing page fault. User spac

Re: [PATCH v8 03/14] powerpc/vas: Define nx_fault_stamp in coprocessor_request_block

2020-03-23 Thread Haren Myneni
On Mon, 2020-03-23 at 22:32 +1100, Michael Ellerman wrote: > Nicholas Piggin writes: > > Haren Myneni's on March 19, 2020 4:13 pm: > >> > >> Kernel sets fault address and status in CRB for NX page fault on user > >> space address after processing page fault. User space gets the signal > >> and ha

Re: [PATCH v8 03/14] powerpc/vas: Define nx_fault_stamp in coprocessor_request_block

2020-03-23 Thread Michael Ellerman
Nicholas Piggin writes: > Haren Myneni's on March 19, 2020 4:13 pm: >> >> Kernel sets fault address and status in CRB for NX page fault on user >> space address after processing page fault. User space gets the signal >> and handles the fault mentioned in CRB by bringing the page in to >> memory a

Re: [PATCH v8 03/14] powerpc/vas: Define nx_fault_stamp in coprocessor_request_block

2020-03-22 Thread Nicholas Piggin
Haren Myneni's on March 23, 2020 10:57 am: > On Mon, 2020-03-23 at 10:30 +1000, Nicholas Piggin wrote: >> Haren Myneni's on March 19, 2020 4:13 pm: >> > >> > Kernel sets fault address and status in CRB for NX page fault on user >> > space address after processing page fault. User space gets the si

Re: [PATCH v8 03/14] powerpc/vas: Define nx_fault_stamp in coprocessor_request_block

2020-03-22 Thread Haren Myneni
On Mon, 2020-03-23 at 10:30 +1000, Nicholas Piggin wrote: > Haren Myneni's on March 19, 2020 4:13 pm: > > > > Kernel sets fault address and status in CRB for NX page fault on user > > space address after processing page fault. User space gets the signal > > and handles the fault mentioned in CRB b

Re: [PATCH v8 03/14] powerpc/vas: Define nx_fault_stamp in coprocessor_request_block

2020-03-22 Thread Nicholas Piggin
Haren Myneni's on March 19, 2020 4:13 pm: > > Kernel sets fault address and status in CRB for NX page fault on user > space address after processing page fault. User space gets the signal > and handles the fault mentioned in CRB by bringing the page in to > memory and send NX request again. > > S

[PATCH v8 03/14] powerpc/vas: Define nx_fault_stamp in coprocessor_request_block

2020-03-18 Thread Haren Myneni
Kernel sets fault address and status in CRB for NX page fault on user space address after processing page fault. User space gets the signal and handles the fault mentioned in CRB by bringing the page in to memory and send NX request again. Signed-off-by: Sukadev Bhattiprolu Signed-off-by: Haren