From: Gavin Shan <gwshan@linux•vnet.ibm.com>
To: Gavin Shan <gwshan@linux•vnet.ibm.com>
Cc: linuxppc-dev@lists•ozlabs.org, mpe@ellerman•id.au,
hankmax0000@gmail•com, williel@supermicro•com.tw
Subject: Re: [PATCH 0/3] powerpc/powernv: PCI hotplug fixes and improvement
Date: Tue, 31 Jan 2017 16:42:38 +1100 [thread overview]
Message-ID: <20170131054238.GB9937@gwshan> (raw)
In-Reply-To: <1484095808-24777-1-git-send-email-gwshan@linux.vnet.ibm.com>
On Wed, Jan 11, 2017 at 11:50:05AM +1100, Gavin Shan wrote:
>This series fixes couple issues or improves its reliability:
>
> * The PDC event is never detected inside the IRQ handler in surprise
> hot-add path.
> * The slot's initial state should be REGISTERED state if it's emtpy.
> Otherwise, the PCI devices behind the slot won't be populated properly
> in hot-add path.
> * PDC isn't reliable for hot-add on some machines. Introduce another
> device-tree property to disable it if required by (skiboot) firmware.
>
>Gavin Shan (3):
> drivers/pci/hotplug: Handle presence detection change properly
> drivers/pci/hotplug: Fix initial state for empty slot
> drivers/pci/hotplug: Mask PDC interrupt if required
>
Michael, could you help to take a look when you have available time?
I hope those 3 patches can be merged in next merge window, which seems
to come pretty soon.
Thanks,
Gavin
> arch/powerpc/include/asm/pnv-pci.h | 2 ++
> drivers/pci/hotplug/pnv_php.c | 49 +++++++++++++++++++++++++++++++-------
> 2 files changed, 43 insertions(+), 8 deletions(-)
>
>--
>2.7.4
>
prev parent reply other threads:[~2017-01-31 5:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-11 0:50 [PATCH 0/3] powerpc/powernv: PCI hotplug fixes and improvement Gavin Shan
2017-01-11 0:50 ` [PATCH 1/3] drivers/pci/hotplug: Handle presence detection change properly Gavin Shan
2017-02-16 5:59 ` [1/3] " Michael Ellerman
2017-01-11 0:50 ` [PATCH 2/3] drivers/pci/hotplug: Fix initial state for empty slot Gavin Shan
2017-01-11 0:50 ` [PATCH 3/3] drivers/pci/hotplug: Mask PDC interrupt if required Gavin Shan
2017-01-31 5:42 ` Gavin Shan [this message]
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