Re: [PATCH v8 04/14] powerpc/vas: Alloc and setup IRQ and trigger port address

2020-03-24 Thread Haren Myneni
On Tue, 2020-03-24 at 15:48 +0100, Cédric Le Goater wrote: > On 3/19/20 7:14 AM, Haren Myneni wrote: > > > > Alloc IRQ and get trigger port address for each VAS instance. Kernel > > register this IRQ per VAS instance and sets this port for each send > > window. NX interrupts the kernel when it see

Re: [PATCH v8 04/14] powerpc/vas: Alloc and setup IRQ and trigger port address

2020-03-24 Thread Cédric Le Goater
On 3/19/20 7:14 AM, Haren Myneni wrote: > > Alloc IRQ and get trigger port address for each VAS instance. Kernel > register this IRQ per VAS instance and sets this port for each send > window. NX interrupts the kernel when it sees page fault. > > Signed-off-by: Haren Myneni > --- > arch/powerpc

Re: [PATCH v8 04/14] powerpc/vas: Alloc and setup IRQ and trigger port address

2020-03-24 Thread Cédric Le Goater
On 3/24/20 3:26 AM, Oliver O'Halloran wrote: > On Mon, Mar 23, 2020 at 8:28 PM Cédric Le Goater wrote: >> >> On 3/23/20 10:06 AM, Cédric Le Goater wrote: >>> On 3/19/20 7:14 AM, Haren Myneni wrote: Alloc IRQ and get trigger port address for each VAS instance. Kernel register this IR

Re: [PATCH v8 04/14] powerpc/vas: Alloc and setup IRQ and trigger port address

2020-03-24 Thread Cédric Le Goater
On 3/23/20 8:02 PM, Haren Myneni wrote: > On Mon, 2020-03-23 at 10:27 +0100, Cédric Le Goater wrote: >> On 3/23/20 10:06 AM, Cédric Le Goater wrote: >>> On 3/19/20 7:14 AM, Haren Myneni wrote: Alloc IRQ and get trigger port address for each VAS instance. Kernel register this IRQ per

Re: [PATCH v8 04/14] powerpc/vas: Alloc and setup IRQ and trigger port address

2020-03-23 Thread Oliver O'Halloran
On Mon, Mar 23, 2020 at 8:28 PM Cédric Le Goater wrote: > > On 3/23/20 10:06 AM, Cédric Le Goater wrote: > > On 3/19/20 7:14 AM, Haren Myneni wrote: > >> > >> Alloc IRQ and get trigger port address for each VAS instance. Kernel > >> register this IRQ per VAS instance and sets this port for each se

Re: [PATCH v8 04/14] powerpc/vas: Alloc and setup IRQ and trigger port address

2020-03-23 Thread Haren Myneni
On Mon, 2020-03-23 at 10:27 +0100, Cédric Le Goater wrote: > On 3/23/20 10:06 AM, Cédric Le Goater wrote: > > On 3/19/20 7:14 AM, Haren Myneni wrote: > >> > >> Alloc IRQ and get trigger port address for each VAS instance. Kernel > >> register this IRQ per VAS instance and sets this port for each se

Re: [PATCH v8 04/14] powerpc/vas: Alloc and setup IRQ and trigger port address

2020-03-23 Thread Cédric Le Goater
On 3/23/20 10:06 AM, Cédric Le Goater wrote: > On 3/19/20 7:14 AM, Haren Myneni wrote: >> >> Alloc IRQ and get trigger port address for each VAS instance. Kernel >> register this IRQ per VAS instance and sets this port for each send >> window. NX interrupts the kernel when it sees page fault. > >

Re: [PATCH v8 04/14] powerpc/vas: Alloc and setup IRQ and trigger port address

2020-03-23 Thread Cédric Le Goater
On 3/19/20 7:14 AM, Haren Myneni wrote: > > Alloc IRQ and get trigger port address for each VAS instance. Kernel > register this IRQ per VAS instance and sets this port for each send > window. NX interrupts the kernel when it sees page fault. I don't understand why this is not done by the OPAL dr

Re: [PATCH v8 04/14] powerpc/vas: Alloc and setup IRQ and trigger port address

2020-03-22 Thread Nicholas Piggin
Haren Myneni's on March 19, 2020 4:14 pm: > > Alloc IRQ and get trigger port address for each VAS instance. Kernel > register this IRQ per VAS instance and sets this port for each send > window. NX interrupts the kernel when it sees page fault. Again, should cc Cedric and Greg for XIVE / interrup

[PATCH v8 04/14] powerpc/vas: Alloc and setup IRQ and trigger port address

2020-03-18 Thread Haren Myneni
Alloc IRQ and get trigger port address for each VAS instance. Kernel register this IRQ per VAS instance and sets this port for each send window. NX interrupts the kernel when it sees page fault. Signed-off-by: Haren Myneni --- arch/powerpc/platforms/powernv/vas.c | 34 +