When using resource_alignment kernel parameter, the current
implement reassigns the alignment by changing resources' size
which can potentially break some drivers.
So this patch adds a new option "noresize" for the parameter
to solve this problem.
Signed-off-by: Yongji Xie
---
Documentation/ker
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 will not allow to passthrough one
BAR's mmio page which may be shared with other BARs.
To solve this p
Current vfio-pci implementation disallows to mmap
sub-page(size < PAGE_SIZE) MMIO BARs because these BARs' mmio
page may be shared with other BARs.
But we should allow to mmap these sub-page MMIO BARs if PCI
resource allocator can make sure these BARs' mmio page will
not be shared with other BARs.
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 IOMMU
supports interrupt remapping which can ensure that a
given pci device can only shoot the MSIs assigned for it.
Signed-off-by: Yongji
This patch adds IOMMU_CAP_INTR_REMAP for IODA host bridge so that
we can mmap MSI-X table in vfio driver.
Signed-off-by: Yongji Xie
---
arch/powerpc/platforms/powernv/pci-ioda.c | 17 +
1 file changed, 17 insertions(+)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c
b/
The resource_alignment will releases memory resources
allocated by firmware so that kernel can reassign new
resources later on. But this will cause the problem
that no resources can be allocated by kernel if
PCI_PROBE_ONLY was set, e.g. on pSeries platform
because PCI_PROBE_ONLY force kernel to use
Current vfio-pci implementation disallows to mmap
sub-page(size < PAGE_SIZE) MMIO BARs and MSI-X table. This is because
sub-page BARs' mmio page may be shared with other BARs and MSI-X table
should not be accessed directly from the guest for security reasons.
But these will easily cause some perfo
Now we use the IORESOURCE_STARTALIGN to identify bridge
resources in __assign_resources_sorted(). But there would
be some problems because some PCI devices' resources may
also use IORESOURCE_STARTALIGN, e.g. using "noresize"
option of resource_alignment kernel parameter.
So this patch replaces IOR
I know that in Germany a good amount of land-line telephone line are
still using ISDN. Some telco company try to move people to IP only, but
this is currently still a process.
Especially company line are using ISDN still, and there are some Linux
programs that act on then, e.g. Asterisk and derive
On Thu, 03 Mar 2016 16:03:14 +0200
Jani Nikula wrote:
> This stalled a bit, but the waters are still muddy...
So I've been messing with this a bit; wanted to do a proper patch posting
but I'm fried and mostly out of time for the moment.
The results I'm getting now can be seen at:
http:
Hi Wim,
any chance to get this series into the next release ?
Thanks,
Guenter
On 02/28/2016 01:12 PM, Guenter Roeck wrote:
The watchdog infrastructure is currently purely passive, meaning
it only passes information from user space to drivers and vice versa.
Since watchdog hardware tends to ha
Fixed subtitles style, aligned them with their header.
Signed-off-by: Philippe Loctaux
---
Documentation/HOWTO | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/Documentation/HOWTO b/Documentation/HOWTO
index d5a699d..109ec84 100644
--- a/Documentation/HOWTO
+++ b/Docum
>From 033be2a07878841081a30408aecce3a6b6c8f677 Mon Sep 17 00:00:00 2001
From: James Johnston
Date: Sun, 6 Mar 2016 19:54:38 -0500
Subject: [PATCH] modsign: Fix documentation on module signing enforcement
parameter.
Modify the documentation to match the actual parameter as implemented in
kernel/m
On Sat, Mar 05, 2016 at 11:29:37PM -0300, Mauro Carvalho Chehab wrote:
>
> I converted one of the big tables to CSV. At least now it recognized
> it as a table. Yet, the table was very badly formated:
>
> https://mchehab.fedorapeople.org/media-kabi-docs-test/rst_tests/packed-rgb.html
>
> T
On 03/03/2016 04:38 PM, Ramesh Shanmugasundaram wrote:
> Changes since v1:
> * Removed testmodes & debugfs code (suggested by Oliver H)
> * Fixed tx path race issue by introducing lock (suggested by Marc K)
> * Removed __maybe_unused attribute of rcar_canfd_of_table
>
> obj-$
Split off the bulk of the existing meson_serial_console_write()
implementation into meson_serial_port_write() for implementing
meson_serial_early_console_write().
Use "meson" as the earlycon driver name, courtesy of Nicolas.
Signed-off-by: Nicolas Saenz Julienne
Acked-by: Carlo Caione
Signed-of
Hi Guenter,
> The watchdog infrastructure is currently purely passive, meaning
> it only passes information from user space to drivers and vice versa.
>
> Since watchdog hardware tends to have its own quirks, this can result
> in quite complex watchdog drivers. A number of scanarios are especiall
On 05/03/2016 19:20, Parav Pandit wrote:
>> > 3 is fine but resource [un]charging is not hot path?
> charge/uncharge is hot path from cgroup perspective.
Most of the resources the RDMA cgroup handles are only allocated at
the beginning of the application. The RDMA subsystem allows direct
user-spac
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