Re: [PATCH v2] powerpc/powernv: Add pci_reset_phbs parameter to issue a PHB reset

2017-12-08 Thread Guilherme G. Piccoli
On 12/08/2017 10:03 AM, Michael Ellerman wrote: > "Guilherme G. Piccoli" writes: > >> On 11/21/2017 12:35 AM, Balbir Singh wrote: >>> On Thu, Nov 16, 2017 at 11:14 PM, Guilherme G. Piccoli >>> wrote: On 11/16/2017 01:49 AM, Balbir Singh wrote: > On Thu, Oct 26, 2017 at 2:27 AM, Guilherm

Re: [PATCH v2] powerpc/powernv: Add pci_reset_phbs parameter to issue a PHB reset

2017-12-08 Thread Michael Ellerman
"Guilherme G. Piccoli" writes: > On 11/21/2017 12:35 AM, Balbir Singh wrote: >> On Thu, Nov 16, 2017 at 11:14 PM, Guilherme G. Piccoli >> wrote: >>> On 11/16/2017 01:49 AM, Balbir Singh wrote: On Thu, Oct 26, 2017 at 2:27 AM, Guilherme G. Piccoli wrote: > During a kdump kernel boo

Re: [PATCH v2] powerpc/powernv: Add pci_reset_phbs parameter to issue a PHB reset

2017-12-06 Thread Guilherme G. Piccoli
On 11/21/2017 12:35 AM, Balbir Singh wrote: > On Thu, Nov 16, 2017 at 11:14 PM, Guilherme G. Piccoli > wrote: >> On 11/16/2017 01:49 AM, Balbir Singh wrote: >>> On Thu, Oct 26, 2017 at 2:27 AM, Guilherme G. Piccoli >>> wrote: During a kdump kernel boot in PowerPC, we request a reset of the P

Re: [PATCH v2] powerpc/powernv: Add pci_reset_phbs parameter to issue a PHB reset

2017-11-20 Thread Balbir Singh
On Thu, Nov 16, 2017 at 11:14 PM, Guilherme G. Piccoli wrote: > On 11/16/2017 01:49 AM, Balbir Singh wrote: >> On Thu, Oct 26, 2017 at 2:27 AM, Guilherme G. Piccoli >> wrote: >>> During a kdump kernel boot in PowerPC, we request a reset of the PHBs >>> to the FW. It makes sense, since if we are b

Re: [PATCH v2] powerpc/powernv: Add pci_reset_phbs parameter to issue a PHB reset

2017-11-16 Thread Guilherme G. Piccoli
On 11/16/2017 01:49 AM, Balbir Singh wrote: > On Thu, Oct 26, 2017 at 2:27 AM, Guilherme G. Piccoli > wrote: >> During a kdump kernel boot in PowerPC, we request a reset of the PHBs >> to the FW. It makes sense, since if we are booting a kdump kernel it >> means we had some trouble before and we c

Re: [PATCH v2] powerpc/powernv: Add pci_reset_phbs parameter to issue a PHB reset

2017-11-15 Thread Balbir Singh
On Thu, Oct 26, 2017 at 2:27 AM, Guilherme G. Piccoli wrote: > During a kdump kernel boot in PowerPC, we request a reset of the PHBs > to the FW. It makes sense, since if we are booting a kdump kernel it > means we had some trouble before and we cannot rely in the adapters' > health; they could be

Re: [PATCH v2] powerpc/powernv: Add pci_reset_phbs parameter to issue a PHB reset

2017-11-12 Thread Michael Ellerman
"Guilherme G. Piccoli" writes: > During a kdump kernel boot in PowerPC, we request a reset of the PHBs > to the FW. It makes sense, since if we are booting a kdump kernel it > means we had some trouble before and we cannot rely in the adapters' > health; they could be in a bad state, hence the re

Re: [PATCH v2] powerpc/powernv: Add pci_reset_phbs parameter to issue a PHB reset

2017-11-09 Thread Guilherme G. Piccoli
On 10/25/2017 01:27 PM, Guilherme G. Piccoli wrote: > During a kdump kernel boot in PowerPC, we request a reset of the PHBs > to the FW. It makes sense, since if we are booting a kdump kernel it > means we had some trouble before and we cannot rely in the adapters' > health; they could be in a bad

[PATCH v2] powerpc/powernv: Add pci_reset_phbs parameter to issue a PHB reset

2017-10-25 Thread Guilherme G. Piccoli
During a kdump kernel boot in PowerPC, we request a reset of the PHBs to the FW. It makes sense, since if we are booting a kdump kernel it means we had some trouble before and we cannot rely in the adapters' health; they could be in a bad state, hence the reset is needed. But this reset is useful