[PATCH v2] powerpc/powernv: Disable native PCIe port management

2019-11-17 Thread Oliver O'Halloran
On PowerNV the PCIe topology is (currently) managed by the powernv platform code in Linux in cooperation with the platform firmware. Linux's native PCIe port service drivers operate independently of both and this can cause problems. The main issue is that the portbus driver will conflict with the

[Bug 205183] PPC64: Signal delivery fails with SIGSEGV if between about 1KB and 4KB bytes of stack remain

2019-11-17 Thread bugzilla-daemon
https://bugzilla.kernel.org/show_bug.cgi?id=205183 Daniel Black (dan...@linux.ibm.com) changed: What|Removed |Added CC||dan...@linux.ibm.com

[PATCH v2] powerpc/perf: Disable trace_imc pmu

2019-11-17 Thread Madhavan Srinivasan
When a root user or a user with CAP_SYS_ADMIN privilege use trace_imc performance monitoring unit events, to monitor application or KVM threads, may result in a checkstop (System crash). Reason being frequent switch of the "trace/accumulation" mode of In-Memory Collection hardware. This patch disab

Re: [PATCH v11 1/4] kasan: support backing vmalloc space with real shadow memory

2019-11-17 Thread Daniel Axtens
Qian Cai writes: > On Thu, 2019-10-31 at 20:39 +1100, Daniel Axtens wrote: >> /* >> * In this function, newly allocated vm_struct has VM_UNINITIALIZED >> * flag. It means that vm_struct is not fully initialized. >> @@ -3377,6 +3411,9 @@ struct vm_struct **pcpu_get_vm_areas(const

[PATCH] ASoC: fsl_audmix: add missed pm_runtime_disable

2019-11-17 Thread Chuhong Yuan
The driver forgets to call pm_runtime_disable in probe failure and remove. Add the missed calls to fix it. Signed-off-by: Chuhong Yuan --- sound/soc/fsl/fsl_audmix.c | 9 - 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/sound/soc/fsl/fsl_audmix.c b/sound/soc/fsl/fsl_audmix.

Re: [PATCH 01/11] powerpc/powernv/ioda: Fix ref count for devices with their own PE

2019-11-17 Thread Alistair Popple
On Monday, 18 November 2019 12:24:24 PM AEDT Oliver O'Halloran wrote: > On Mon, Nov 18, 2019 at 12:06 PM Alistair Popple wrote: > > > > On Wednesday, 13 November 2019 4:38:21 AM AEDT Frederic Barrat wrote: > > > > > > However, one question is whether this patch breaks nvlink and if nvlink > > > a

Re: HPT allocation failures on POWER8 KVM hosts

2019-11-17 Thread Daniel Axtens
Hi Roman, > We're running a lot of KVM virtual machines on POWER8 hosts and > sometimes new VMs can't be started because there are no contiguous > regions for HPT because of CMA region fragmentation. > > The issue is covered in the LWN article: https://lwn.net/Articles/684611/ > The article points

Re: [PATCH 01/11] powerpc/powernv/ioda: Fix ref count for devices with their own PE

2019-11-17 Thread Oliver O'Halloran
On Mon, Nov 18, 2019 at 12:06 PM Alistair Popple wrote: > > On Wednesday, 13 November 2019 4:38:21 AM AEDT Frederic Barrat wrote: > > > > However, one question is whether this patch breaks nvlink and if nvlink > > assumes the devices won’t go away because we explicitly take a reference > > forever

Re: [PATCH 01/11] powerpc/powernv/ioda: Fix ref count for devices with their own PE

2019-11-17 Thread Alistair Popple
On Wednesday, 13 November 2019 4:38:21 AM AEDT Frederic Barrat wrote: > > Le 27/09/2019 à 08:54, Alexey Kardashevskiy a écrit : > > > > > > On 27/09/2019 03:15, Frederic Barrat wrote: > >> > >> > >> Le 26/09/2019 à 18:44, Andrew Donnellan a écrit : > >>> On 9/9/19 5:45 pm, Frederic Barrat wrote:

Pull request: scottwood/linux.git next

2019-11-17 Thread Scott Wood
Includes a couple of device tree fixes, a spelling fix, and leftover code cleanup. The following changes since commit 565f9bc05e2dad6c7fdfc7c2e641be580aa599cd: powerpc/fadump: when fadump is supported register the fadump sysfs files. (2019-11-13 16:58:11 +1100) are available in the Git reposi