[Zesty] [SRU] [PATCH 0/6] soft lockup bug fix Qualcomm Centriq 2400 server.
stefan.bader at canonical.com
Wed May 24 06:23:26 UTC 2017
On 24.05.2017 04:23, Manoj Iyer wrote:
> Any progress on this SRU review? This fix is needed for QDF2400 platforms to
> boot and work as expected with Zesty. The patch set was reviewed by Qualcomm and
> was tested on QDF2400, Thunder-x and on HiSilicon HW for regressions.
> Please let me know if you need any additional information that might be helpful
> in SRU review of these patches.
See your other iommu submission. You ask for change in generic code (which
affects other architectures than arm64), yet your regression testing only covers
> On Tue, May 9, 2017 at 11:11 AM, Manoj Iyer <manoj.iyer at canonical.com> wrote:
>> On Fri, May 5, 2017 at 9:06 AM, Stefan Bader <stefan.bader at canonical.com> wrote:
>>> On 03.05.2017 22:31, Manoj Iyer wrote:
>>> Booting Ubuntu Zesty (4.10) kernel on Qualcomm Centriq 2400 ARM64 servers
>>> causes soft lockups on multiple CPUs.
>>> I am not really comfortable with picking a bunch of iommu patches (1+2 now
>>> upstream but the rest still only in linux-next) as a bug fix. Especially when
>>> being told that changes to the generic iommu code would not have any
>>> regression potential outside that one platform you tested (seriously?).
>> I have updated the bug after testing the patches on HiSilicon and Cavium
>> systems. Please let me know if you need any thing in addition.
>>> The following patches were cleanly cherry-picked from linux-next onto
>>> Zesty 4.10.0-20.22 kernel and tested by me on the QDF2400 SDP at
>>> Canonical. Please consider the following patches for SRU in Zesty to fix
>>> the bug http://bugs.launchpad.net/bugs/1680549 Nate Watterson (1):
>>> iommu/iova: Fix underflow bug in __alloc_and_insert_iova_range Robin
>>> Murphy (5): iommu/dma: Stop getting dma_32bit_pfn wrong iommu/dma:
>>> Implement PCI allocation optimisation iommu/dma: Convert to address-based
>>> allocation iommu/dma: Clean up MSI IOVA allocation iommu/dma: Plumb in
>>> the per-CPU IOVA caches drivers/iommu/dma-iommu.c | 198
>>> ++++++++++++++++++++++++++-------------------- drivers/iommu/iova.c | 2
>>> +- 2 files changed, 113 insertions(+), 87 deletions(-) -- 2.11.0
>>> -- kernel-team mailing list kernel-team at lists.ubuntu.com
>>> <mailto:kernel-team at lists.ubuntu.com>
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