Re: [RFC PATCH v3 1/5] PCI: Add support for enforcing all MMIO BARs to be page aligned

2016-01-29 Thread Yongji Xie
On 2016/1/29 6:46, Alex Williamson wrote: On Fri, 2016-01-15 at 15:06 +0800, Yongji Xie wrote: When vfio passthrough a PCI device of which MMIO BARs are smaller than PAGE_SIZE, guest will not handle the mmio accesses to the BARs which leads to mmio emulations in host. This is because vfio wil

Re: [RFC PATCH v3 3/5] PCI: Add host bridge attribute to indicate filtering of MSIs is supported

2016-01-29 Thread Yongji Xie
On 2016/1/29 6:46, Alex Williamson wrote: On Fri, 2016-01-15 at 15:06 +0800, Yongji Xie wrote: MSI-X tables are not allowed to be mmapped in vfio-pci driver in case that user get to touch this directly. This will cause some performance issues when when PCI adapters have critical registers in the

Re: [RFC PATCH v3 5/5] vfio-pci: Allow to mmap MSI-X table if host bridge supports filtering of MSIs

2016-01-29 Thread Yongji Xie
On 2016/1/29 6:46, Alex Williamson wrote: On Fri, 2016-01-15 at 15:06 +0800, Yongji Xie wrote: Current vfio-pci implementation disallows to mmap MSI-X table in case that user get to touch this directly. But we should allow to mmap these MSI-X tables if the PCI host bridge supports filtering

Re: [PATCH] Documentation: cgroup: Fix 'cgroup-legacy' -> 'cgroup-v1'

2016-01-29 Thread Tejun Heo
On Wed, Jan 27, 2016 at 01:01:52PM -0800, W. Trevor King wrote: > This should have happened in 6255c46f (cgroup: rename cgroup > documentations, 2016-01-11). > > Signed-off-by: W. Trevor King Applied to cgroup/for-4.5-fixes. Thanks. -- tejun -- To unsubscribe from this list: send the line "un

Re: [PATCH] Intel-IOMMU.txt: fix link

2016-01-29 Thread Joerg Roedel
On Tue, Jan 26, 2016 at 06:33:04PM +0200, Michael S. Tsirkin wrote: > Looks like the VT-D spec at intel.com got moved. > Update the link. > > Signed-off-by: Michael S. Tsirkin > --- > Documentation/Intel-IOMMU.txt | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Applied, thanks. -- To u

[PATCH 04/13] [media] v4l2-mc.h: move tuner PAD definitions to this new header

2016-01-29 Thread Mauro Carvalho Chehab
The customer PC hardware can be shipped with lots of different configurations, as vendors use to replace some of the chips on their hardware along the time. All drivers that support such devices are prepared to handle the hardware differences, using their own auto-probing logic. They do it in a wa

Re: [RFT PATCH v7 9/9] watchdog: dw_wdt: Convert to use watchdog infrastructure

2016-01-29 Thread Doug Anderson
Guenter, On Mon, Jan 25, 2016 at 6:53 PM, Guenter Roeck wrote: > From: Guenter Roeck > > Convert driver to use watchdog infrastructure. This includes > infrastructure support to handle watchdog keepalive if the watchdog > is running while the watchdog device is closed. > > Signed-off-by: Guenter

Re: [PATCH v9 04/13] task_isolation: add initial support

2016-01-29 Thread Chris Metcalf
On 01/27/2016 07:28 PM, Frederic Weisbecker wrote: On Tue, Jan 19, 2016 at 03:45:04PM -0500, Chris Metcalf wrote: You asked what happens if nohz_full= is given as well, which is a very good question. Perhaps the right answer is to have an early_initcall that suppresses task isolation on any cor

Re: [RFT PATCH v7 9/9] watchdog: dw_wdt: Convert to use watchdog infrastructure

2016-01-29 Thread Guenter Roeck
Hi Doug, On 01/29/2016 09:52 AM, Doug Anderson wrote: Guenter, On Mon, Jan 25, 2016 at 6:53 PM, Guenter Roeck wrote: From: Guenter Roeck Convert driver to use watchdog infrastructure. This includes infrastructure support to handle watchdog keepalive if the watchdog is running while the watc

Re: [RFC PATCH v3 1/5] PCI: Add support for enforcing all MMIO BARs to be page aligned

2016-01-29 Thread Alex Williamson
On Fri, 2016-01-29 at 18:37 +0800, Yongji Xie wrote: > On 2016/1/29 6:46, Alex Williamson wrote: > > On Fri, 2016-01-15 at 15:06 +0800, Yongji Xie wrote: > > > When vfio passthrough a PCI device of which MMIO BARs > > > are smaller than PAGE_SIZE, guest will not handle the > > > mmio accesses to th

Re: [RFC PATCH v3 3/5] PCI: Add host bridge attribute to indicate filtering of MSIs is supported

2016-01-29 Thread Alex Williamson
- Original Message - > On 2016/1/29 6:46, Alex Williamson wrote: > > On Fri, 2016-01-15 at 15:06 +0800, Yongji Xie wrote: > >> MSI-X tables are not allowed to be mmapped in vfio-pci > >> driver in case that user get to touch this directly. > >> This will cause some performance issues when

Re: [RFT PATCH v7 6/9] watchdog: imx2: Convert to use infrastructure triggered keepalives

2016-01-29 Thread Guenter Roeck
On 01/25/2016 06:53 PM, Guenter Roeck wrote: From: Guenter Roeck The watchdog infrastructure now supports handling watchdog keepalive if the watchdog is running while the watchdog device is closed. Convert the driver to use this infrastructure. Signed-off-by: Guenter Roeck I managed to test

[PATCH 06/16] perf auxtrace: Add perf_evlist pointer to *info_priv_size()

2016-01-29 Thread Arnaldo Carvalho de Melo
See http://www.infradead.org/rpr.html From: Mathieu Poirier On some architecture the size of the private header may be dependent on the number of tracers used in the session. As such adding a "struct perf_evlist *" parameter, which should contain all the required information. Also adjusting th

[GIT PULL 00/16] perf/core improvements and fixes

2016-01-29 Thread Arnaldo Carvalho de Melo
See http://www.infradead.org/rpr.html Hi Ingo, This is on top of the previously submitted perf-core-for-mingo tag, please consider applying, - Arnaldo The following changes since commit 5ac76283b32b116c58e362e99542182ddcfc8262: perf cpumap: Auto initialize cpu__max_{node,cpu} (2016-0

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Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation

2016-01-29 Thread Olof Johansson
On Tue, Jan 26, 2016 at 4:39 PM, Doug Anderson wrote: > Hi, > > On Tue, Jan 26, 2016 at 3:59 PM, Andrew Morton > wrote: >> On Mon, 11 Jan 2016 09:30:22 -0800 Douglas Anderson >> wrote: >> >>> This series of patches will speed up memory allocation in dma-mapping >>> quite a bit. >> >> This is pr

Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation

2016-01-29 Thread Doug Anderson
Hi, On Fri, Jan 29, 2016 at 1:52 PM, Olof Johansson wrote: > On Tue, Jan 26, 2016 at 4:39 PM, Doug Anderson wrote: >> Hi, >> >> On Tue, Jan 26, 2016 at 3:59 PM, Andrew Morton >> wrote: >>> On Mon, 11 Jan 2016 09:30:22 -0800 Douglas Anderson >>> wrote: >>> This series of patches will spee

Re: [PATCH v6 0/5] dma-mapping: Patches for speeding up allocation

2016-01-29 Thread Doug Anderson
Hi, On Fri, Jan 29, 2016 at 1:58 PM, Doug Anderson wrote: >> I think it makes sense to send these through Russell's tracker for him >> to merge, especially since I don't think there are any dependencies on >> them for SoC-specific patches coming up. > > Sounds good. I'll make the nitfixes and I'