NumMids 2
: 424d53fe 0040 0012 .SMB@...
0010: 0001
0020:
0030:
Signed-off-by: Vincent Whitchurch
f
0020:
0030:
Signed-off-by: Vincent Whitchurch
---
Notes:
v2:
- Drop change to lease break
- Rewrite commit message
fs/cifs/smb2misc.c
On Tue, Mar 09, 2021 at 04:29:14PM +0100, Steve French wrote:
> On Tue, Mar 9, 2021, 07:42 Vincent Whitchurch via samba-technical
> mailto:samba-techni...@lists.samba.org>>
> wrote:
>> Thank you for the suggestions. In my case, I've only received some
>> reports
On Tue, Mar 09, 2021 at 01:05:11AM +0100, ronnie sahlberg wrote:
> On Sun, Mar 7, 2021 at 8:52 PM Shyam Prasad N via samba-technical
> wrote:
> > The reason for rejecting the request maybe a number of things like:
> > corrupted request, stale request (for some old session), or for a
> > wrong hand
ch we ignore as per the spec.
Signed-off-by: Vincent Whitchurch
---
fs/cifs/smb2misc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index 60d4bd1eae2b..3ea3bda64083 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs
On Fri, Nov 20, 2020 at 02:47:42PM +0100, Vincent Whitchurch wrote:
> On Fri, Nov 20, 2020 at 01:14:50PM +0100, Adam Ward wrote:
> > - buck1:
> > -description:
> > - Initial data for the Buck1 regulator.
> > -$ref: "regulator.yaml#"
> >
ml
> @@ -8,40 +8,185 @@ title: Dialog Semiconductor DA9121 voltage regulator
>
> maintainers:
>- Vincent Whitchurch
> + - Adam Ward
I'm quite happy to have myself removed from the list instead. You are
in a much better position to maintain the bindings for these chip
On Wed, Nov 11, 2020 at 01:53:59PM +0100, Pavel Machek wrote:
> > OF: reserved mem: OVERLAP DETECTED!
> > bar@0 (0x--0x1000) overlaps with foo@0 (0x--0x2000)
> > OF: reserved mem: OVERLAP DETECTED!
> > foo@0 (0x--0x2000) overlaps with baz@1000
> > (0x100
Herring
Signed-off-by: Vincent Whitchurch
---
Documentation/devicetree/bindings/regulator/dlg,da9121.yaml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml
b/Documentation/devicetree/bindings/regulator/dlg,da
On Wed, Nov 04, 2020 at 07:57:55PM +0100, Rob Herring wrote:
> On Tue, 03 Nov 2020 11:00:20 +0100, Vincent Whitchurch wrote:
> > Add bindings for the Dialog Semiconductor DA9121 voltage regulator.
> >
> > Signed-off-by: Vincent Whitchurch
> > ---
> > .../b
On Tue, Nov 03, 2020 at 02:21:16AM +0100, Sasha Levin wrote:
> From: Vincent Whitchurch
>
> [ Upstream commit ca05f33316559a04867295dd49f85aeedbfd6bfd ]
>
> The reserved-memory overlap detection code fails to detect overlaps if
> either of the regions starts at address 0x0. T
ode in the device tree.
Vincent Whitchurch (2):
dt-bindings: regulator: Add DA9121
regulator: Add support for DA9121 regulator
.../bindings/regulator/dlg,da9121.yaml| 47
drivers/regulator/Kconfig | 12 ++
drivers/regulator/Makefile| 1
Add bindings for the Dialog Semiconductor DA9121 voltage regulator.
Signed-off-by: Vincent Whitchurch
---
.../bindings/regulator/dlg,da9121.yaml| 47 +++
1 file changed, 47 insertions(+)
create mode 100644 Documentation/devicetree/bindings/regulator/dlg,da9121.yaml
Add support for the Dialog Semiconductor DA9121, a single-channel
dual-phase buck converter controlled via I2C.
Signed-off-by: Vincent Whitchurch
---
drivers/regulator/Kconfig| 12 +++
drivers/regulator/Makefile | 1 +
drivers/regulator/da9121-regulator.c | 108
On Thu, Oct 29, 2020 at 03:28:43PM +, Mark Brown wrote:
> On Thu, Oct 29, 2020 at 04:15:38PM +0100, Vincent Whitchurch wrote:
>
> > + config.init_data = of_get_regulator_init_data(dev, dev->of_node,
> > &da9121_reg);
> > + if (!config.init_data)
> > +
This series adds support for the DA9121, a "High-Performance, 10 A, Dual-Phase
DC-DC Converter". The datasheet is currently available here:
https://www.dialog-semiconductor.com/sites/default/files/da9121_datasheet_2v3.pdf
Vincent Whitchurch (2):
dt-bindings: regulator:
Add bindings for the Dialog Semiconductor DA9121 voltage regulator.
Signed-off-by: Vincent Whitchurch
---
.../bindings/regulator/dlg,da9121.yaml| 42 +++
1 file changed, 42 insertions(+)
create mode 100644 Documentation/devicetree/bindings/regulator/dlg,da9121.yaml
Add support for the Dialog Semiconductor DA9121, a single-channel
dual-phase buck converter controlled via I2C.
Signed-off-by: Vincent Whitchurch
---
drivers/regulator/Kconfig| 12 +++
drivers/regulator/Makefile | 1 +
drivers/regulator/da9121-regulator.c | 111
On Wed, Oct 28, 2020 at 04:50:36PM +0100, Arnd Bergmann wrote:
> I think we should try to do something on top of the PCIe endpoint subsystem
> to make it work across arbitrary combinations of host and device
> implementations,
> and provide a superset of what the MIC driver, (out-of-tree) Bluefield
Allow the mockup driver to be probed via the device tree without any
module parameters, allowing it to be used to configure and test higher
level drivers like the leds-gpio driver and corresponding userspace
before actual hardware is available.
Signed-off-by: Vincent Whitchurch
---
Notes
On Wed, Oct 28, 2020 at 09:25:32PM +0100, Andy Shevchenko wrote:
> On Wed, Oct 28, 2020 at 8:41 PM Bartosz Golaszewski wrote:
> > On Tue, Oct 27, 2020 at 2:54 PM Vincent Whitchurch
> > > +#ifdef CONFIG_OF
> > > +static const struct of_dev
Allow the mockup driver to be probed via the device tree without any
module parameters, allowing it to be used to configure and test higher
level drivers like the leds-gpio driver and corresponding userspace
before actual hardware is available.
Signed-off-by: Vincent Whitchurch
---
Notes
On Tue, Oct 27, 2020 at 07:12:13PM +0100, Bartosz Golaszewski wrote:
> On Tue, Oct 27, 2020 at 2:54 PM Vincent Whitchurch
> wrote:
> > diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
> > index 67ed4f238d43..c93892a6936a 100644
> > --- a/drivers/gpio
On Wed, Oct 28, 2020 at 12:43:22PM +0100, Andy Shevchenko wrote:
> On Wed, Oct 28, 2020 at 10:00 AM Vincent Whitchurch
> wrote:
> > Allow the mockup driver to be probed via the device tree without any
> > module parameters, allowing it to be used to configure and test higher
On Wed, Oct 28, 2020 at 06:58:36AM +0100, Greg KH wrote:
> Have you all seen:
>
> https://lore.kernel.org/r/8c1443136563de34699d2c084df478181c205db4.1603854416.git.sudeep.d...@intel.com
No, that link doesn't work and I can't find that email from Sudeep in
any of the archives:
https://lore
On Wed, Oct 28, 2020 at 02:47:49AM +0100, Sherry Sun wrote:
> > Subject: Re: [PATCH V3 2/4] misc: vop: do not allocate and reassign the used
> > ring
> >
> > On Tue, Oct 27, 2020 at 08:05:43AM +0100, Sherry Sun wrote:
> > > Can you help test the patch about removing the codes of reassign used
> >
On Tue, Oct 27, 2020 at 08:05:43AM +0100, Sherry Sun wrote:
> Can you help test the patch about removing the codes of reassign used
> ring, and comment on the impact for Intel MIC platform? Thanks for
> any help.
I don't have access to MIC hardware myself, either.
But this patch is quite certain
Allow the mockup driver to be probed via the device tree without any
module parameters, allowing it to be used to configure and test higher
level drivers like the leds-gpio driver and corresponding userspace
before actual hardware is available.
Signed-off-by: Vincent Whitchurch
---
v2: Remove
On Tue, Oct 20, 2020 at 04:17:27PM +0200, Rob Herring wrote:
> On Tue, Oct 20, 2020 at 8:46 AM Vincent Whitchurch
> wrote:
> > On Tue, Oct 20, 2020 at 03:00:14PM +0200, Rob Herring wrote:
> > > On Tue, Oct 20, 2020 at 2:36 AM Vincent Whitchurch
> > > wrote:
>
: OVERLAP DETECTED!
bar@0 (0x--0x1000) overlaps with foo@0 (0x--0x2000)
OF: reserved mem: OVERLAP DETECTED!
foo@0 (0x--0x2000) overlaps with baz@1000 (0x1000--0x00002000)
Signed-off-by: Vincent Whitchurch
---
v2: Fix handling of dynamically allocat
On Tue, Oct 20, 2020 at 03:00:14PM +0200, Rob Herring wrote:
> On Tue, Oct 20, 2020 at 2:36 AM Vincent Whitchurch
> wrote:
> >
> > The reserved-memory overlap detection code fails to detect overlaps if
> > either of the regions starts at address 0x0. For some reason
(0x1000--0x2000)
Signed-off-by: Vincent Whitchurch
---
drivers/of/of_reserved_mem.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 46b9371c8a33..1c5259e3e81f 100644
--- a/drivers/of/of_reserved_mem.c
+
On Mon, Sep 14, 2020 at 03:05:16PM +0200, Sasha Levin wrote:
> From: Vincent Whitchurch
>
> [ Upstream commit 59ae97a7a9e1499c2070e29841d1c4be4ae2994a ]
>
> If the zero duty cycle doesn't correspond to any voltage in the voltage
> table, the PWM regulator returns an -EINV
fooregulator: failed to get the current voltage(-22)
After this patch:
fooregulator: Setting 225-225uV
fooregulator: 2250 mV
Signed-off-by: Vincent Whitchurch
---
drivers/regulator/pwm-regulator.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/
On Wed, Aug 26, 2020 at 09:53:57PM +0200, Joe Perches wrote:
> On Wed, 2020-08-26 at 15:32 -0400, Steven Rostedt wrote:
> > On Tue, 25 Aug 2020 08:53:25 -0700
> > Joe Perches wrote:
> >
> > > > The print buffer is statically allocated and managed using code borrowed
> > > > from __ftrace_trace_st
On Fri, Aug 14, 2020 at 07:15:31PM +0200, Steven Rostedt wrote:
> On Fri, 14 Aug 2020 15:31:51 +0200
> Vincent Whitchurch wrote:
> > index aa9ff9e1c0b3..f599ed21ecc5 100644
> > --- a/include/linux/dynamic_debug.h
> > +++ b/include/linux/dynamic_debug.h
> > @@ -
e truncated.
Signed-off-by: Vincent Whitchurch
---
.../admin-guide/dynamic-debug-howto.rst | 1 +
include/linux/dynamic_debug.h | 4 +-
include/trace/events/printk.h | 12 +-
lib/dynamic_debug.c | 153 +++---
v3:
- Split flag rename to a separate patch
- Rename event to printk:dyndbg
v2:
- Remove stack buffer and use code similar to __ftrace_trace_stack()
- Use an event with the same class as printk:console
Vincent Whitchurch (2):
dynamic debug: split enable and printk flags
dynamic debug
ff-by: Vincent Whitchurch
---
include/linux/dynamic_debug.h | 9 +
lib/dynamic_debug.c | 8
2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index aa9ff9e1c0b3..738421898aac 100644
--- a/include/
On Fri, Aug 14, 2020 at 11:30:34PM +0200, Jason Baron wrote:
> On 8/14/20 1:15 PM, Steven Rostedt wrote:
> > On Fri, 14 Aug 2020 15:31:51 +0200
> > Vincent Whitchurch wrote:
> >> index aa9ff9e1c0b3..f599ed21ecc5 100644
> >> --- a/include/linux/dynamic
On Thu, Jul 23, 2020 at 05:26:44PM +0200, Steven Rostedt wrote:
> On Thu, 23 Jul 2020 12:57:35 +0200
> Vincent Whitchurch wrote:
>
> > Would it be acceptable to just use a fixed size for the event? At least
> > for my own debugging use cases it's preferable to jus
er
will be truncated.
Signed-off-by: Vincent Whitchurch
---
v2:
- Remove stack buffer and use code similar to __ftrace_trace_stack()
- Use an event with the same class as printk:console
.../admin-guide/dynamic-debug-howto.rst | 1 +
include/linux/dynamic_debug.h | 7 +-
LLC-loads
8.674301124 seconds time elapsed
$ $cmd --cycles
214,758,651 LLC-loads
8.644480006 seconds time elapsed
Fixes: 47b5757bac03c3387c ("perf bench mem: Move boilerplate memory allocation
to the infrastructure")
Signed-off-by: Vincent Whitchurch
---
tools/perf/b
ned in the comment has never
existed, it probably should have said FTRACE_STACK_ENTRIES.)
Signed-off-by: Vincent Whitchurch
---
kernel/trace/trace.c | 6 --
1 file changed, 6 deletions(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index bb62269724d5..0a0fd197888c 100644
--- a/ke
On Wed, Jul 22, 2020 at 05:28:23PM +0200, Steven Rostedt wrote:
> For you, I made this quick patch. If this works for you, I can make it
> into a formal patch. It includes a test use case in do_sys_openat2() to
> show the file name and file descriptor. Obviously, that wont be part of
> the final pa
On Wed, Mar 11, 2020 at 07:15:00PM +, Bryan O'Donoghue wrote:
> diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c
> index 2705871ec95e..789e93dd93b4 100644
> --- a/drivers/usb/dwc3/drd.c
> +++ b/drivers/usb/dwc3/drd.c
> @@ -497,6 +497,8 @@ static int dwc3_usb_role_switch_set(struct
On Fri, Jun 19, 2020 at 04:25:12PM +0200, Mike Looijmans wrote:
> +void dwc3_set_vbus(struct dwc3 *dwc, bool enable)
> +{
> + int ret;
> +
> + if (enable != dwc->vbus_reg_enabled) {
> + if (enable)
> + ret = regulator_enable(dwc->vbus_reg);
> + el
On Wed, Jul 22, 2020 at 03:52:22PM +0200, John Ogness wrote:
> On 2020-07-21, Steven Rostedt wrote:
> >> diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
> >> index 321437bbf87d..9f6d8867af7c 100644
> >> --- a/lib/dynamic_debug.c
> >> +++ b/lib/dynamic_debug.c
> [..]
> >> +static void dynami
nt. The trace event can be emitted instead of
or in addition to the printk(). The print buffer is placed on the stack
and is limited to a somewhat arbitrarily chosen 256 bytes; anything
larger will be truncated.
Signed-off-by: Vincent Whitchurch
---
.../admin-guide/dynamic-debug-howto.rst
On Mon, May 11, 2020 at 05:45:00PM +0200, Jessica Yu wrote:
> +++ Vincent Whitchurch [11/05/20 13:48 +0200]:
> >ARM stores unwind information for .init.text in sections named
> >.ARM.extab.init.text and .ARM.exidx.init.text. Since those aren't
> >currently recognized
of range (0xcbb54078 ->
0x7f80)
Fix this by informing the module core that these sections are init
sections, and by removing the init unwind tables before the module core
frees the init sections.
Signed-off-by: Vincent Whitchurch
---
v2: No changes.
arch/arm/kernel/module.c | 22 +++
override the section name so that ARM can fix
this.
Signed-off-by: Vincent Whitchurch
---
v2: Add comment and move module_init_section() next to module_exit_section().
include/linux/moduleloader.h | 5 +
kernel/module.c | 9 +++--
2 files changed, 12 insertions(+), 2 deleti
override the section name so that ARM can fix
this.
Signed-off-by: Vincent Whitchurch
---
include/linux/moduleloader.h | 2 ++
kernel/module.c | 9 +++--
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/include/linux/moduleloader.h b/include/linux/modul
of range (0xcbb54078 ->
0x7f80)
Fix this by informing the module core that these sections are init
sections, and by removing the init unwind tables before the module core
frees the init sections.
Signed-off-by: Vincent Whitchurch
---
arch/arm/kernel/module.c | 22 +++---
1 file chang
On Fri, Jul 12, 2019 at 10:09:04AM +0200, Petr Mladek wrote:
> The patch looks like a hack using a hole that the next cycle
> does not longer check the number of really stored characters.
>
> What would happen when msg_print_text() starts adding
> the trailing '\0' as suggested by
> https://lkml.k
31 32 33 34 35 0a ] 12345.
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Signed-off-by: Vincent Whitchurch
---
v2: Move fix to kmsg_dump_get_buffer()
kernel/printk/printk.c | 2 +-
1 file cha
On Tue, Jul 09, 2019 at 04:29:39PM +0200, Petr Mladek wrote:
> On Tue 2019-07-09 19:12:30, Sergey Senozhatsky wrote:
> > On (07/09/19 10:10), Vincent Whitchurch wrote:
> > > A dump of a 64-byte buffer filled by kmsg_dump_get_buffer(), before this
> > > patch:
> > &
lways LOG_LINE_MAX + PREFIX_MAX, and PREFIX_MAX has a
value which is larger than the largest possible prefix).
Signed-off-by: Vincent Whitchurch
---
I posted this patch two years ago and received no replies. This problem is
still present in mainline. https://lore.kernel.org/patchwork/patch/78110
2, jiffies 4294894830 (age 52.760s)
backtrace:
kmem_cache_alloc_trace+0x270/0x2d0
cryptd_create+0x990/0x124c
cryptomgr_probe+0x5c/0x1e8
kthread+0x258/0x318
ret_from_fork+0x10/0x1c
Signed-off-by: Vincent Whitchurch
---
crypto/cryptd.c | 1 +
1 file changed, 1 insertion(+)
di
On Fri, Apr 05, 2019 at 02:32:41PM +0200, Enrico Weigelt, metux IT consult
wrote:
> On 05.04.19 11:00, Vincent Whitchurch wrote:
> > On Fri, Apr 05, 2019 at 10:39:43AM +0200, Enrico Weigelt, metux IT consult
> > wrote:
> >> On 03.04.19 16:11, Vincent Whitchurch wrote:
On Fri, Apr 05, 2019 at 10:39:43AM +0200, Enrico Weigelt, metux IT consult
wrote:
> On 03.04.19 16:11, Vincent Whitchurch wrote:
>
> > Especially on embedded systems, it would be convenient to have a simple
> > way to disable the console (both for kernel and userspace) on
On Wed, Apr 03, 2019 at 03:12:13PM +0200, Greg KH wrote:
> On Wed, Apr 03, 2019 at 01:33:27PM +0200, Vincent Whitchurch wrote:
> > If no console driver is enabled (or if a non-present driver is selected
> > with something like console=null in an attempt to disable the console),
&
.
with console=ttynull.
Signed-off-by: Vincent Whitchurch
---
drivers/tty/Kconfig | 14 ++
drivers/tty/Makefile | 1 +
drivers/tty/ttynull.c | 109 ++
3 files changed, 124 insertions(+)
create mode 100644 drivers/tty/ttynull.c
diff --git a
patches which have merged
- Use unsigned long instead of uintptr_t
- Drop "Use consistent DMA" for now since it's not needed for loopback
- Add race fix
- Build on all architectures, not just ARM and x86
- Add sample userspace code
Vincent Whitchurch (7):
mic: vop: Cast pointers t
uest:
# ping6 fe80::1%mic0
Ping from guest to host:
# ping6 fe80::0%eth1
Signed-off-by: Vincent Whitchurch
---
samples/mic/mpssd/.gitignore | 1 +
samples/mic/mpssd/Makefile | 5 -
samples/mic/mpssd/vopd.c | 25 +
3 files changed, 30 insertions(+), 1 dele
Fix these on 32-bit:
vop_vringh.c:711:13: error: cast from pointer to integer of different
size [-Werror=pointer-to-int-cast]
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/vop/vop_main.c | 13 +
drivers/misc/mic/vop/vop_vringh.c | 5 +++--
2 files changed, 12
o "ioremap" passed 3 arguments, but takes just 2
Rename ioremap to remap to fix this. Likewise for iounmap.
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/bus/scif_bus.h| 8
drivers/misc/mic/bus/vop_bus.h | 8
drivers/misc/mic/card/mic_device.c | 8 ++
is just movement of unmodified code between
files.
Signed-off-by: Vincent Whitchurch
---
samples/mic/mpssd/Makefile |4 +-
samples/mic/mpssd/mpssd.c | 1317 +-
samples/mic/mpssd/mpssd.h |1 +
samples/mic/mpssd/vop.c| 1357
VOP_BUS does not actually depend on x86-64 or PCI or X86_DEV_DMA_OPS.
The dependency on X86_DEV_DMA_OPS has been unnecessary since commit
5657933dbb6e25fe ("treewide: Move dma_ops from struct dev_archdata into
struct device").
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/K
Fix these on 32-bit:
vop_vringh.c:711:13: error: cast from pointer to integer of different
size [-Werror=pointer-to-int-cast]
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/vop/vop_main.c | 13 +
drivers/misc/mic/vop/vop_vringh.c | 5 +++--
2 files changed, 12
Add a loopback driver to allow testing and evaluation of the VOP
framework without special hardware. The host and the guest will run
under the same kernel.
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/Kconfig| 10 +
drivers/misc/mic/vop/Makefile | 2 +
drivers
VOP_BUS does not actually depend on x86-64 or PCI or X86_DEV_DMA_OPS.
The dependency on X86_DEV_DMA_OPS has been unnecessary since commit
5657933dbb6e25fe ("treewide: Move dma_ops from struct dev_archdata into
struct device").
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/K
Add a loopback driver to allow testing and evaluation of the VOP
framework without special hardware. The host and the guest will run
under the same kernel.
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/Kconfig| 10 +
drivers/misc/mic/vop/Makefile | 2 +
drivers
eeping a local list of virtqueues in this driver and using
that instead of the list inside the struct virtio_device, similar to how
virtio-pci handles this.
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/vop/vop_main.c | 42 ++---
1 file changed, 39 insertio
On Wed, Jan 30, 2019 at 08:40:23PM +0100, Greg KH wrote:
> This patch is already in my tree, can you just send a "fixup" patch
> instead of me having to revert the old one and then adding this one
> again?
I've now posted the fixup patch separately as "mic: vop: Fix crash on
remove". Thanks.
8800da18600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
88800da18680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==
Fixes: 0063e8bbd2b62d136 ("virtio_vop: don't kfree device on register failure")
Sign
oved.
The structure in question is only examined to get the virtual address of
the allocated used page. Store that pointer locally instead to fix the
crash.
Fixes: 1ce9e6055fa0 ("virtio_ring: introduce packed ring support")
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mi
commit message.
The removal patch also has the hack and we need to save the used ring
pointer separately to remove it.
Fixes: 1ce9e6055fa0 ("virtio_ring: introduce packed ring support")
Signed-off-by: Vincent Whitchurch
---
v2: fix removal path also
drivers/misc/mic/vop/vop_main.c |
On Wed, Jan 30, 2019 at 04:02:36PM +0100, Richard Weinberger wrote:
> Hmm, why can't this be a core dump helper?
> Such as:
>
> #!/bin/sh
> # Usage:
> # echo "|/root/crash.sh %p %e %s" > /proc/sys/kernel/core_pattern
>
> PID="$1"
> COMM="$2"
> SIGNAL="$3"
>
> echo "$COMM ($PID) died by signal $S
On Wed, Jan 30, 2019 at 08:29:57AM -0800, Sudeep Dutt wrote:
> On Tue, 2019-01-29 at 11:22 +0100, Vincent Whitchurch wrote:
> > VOP is broken in mainline since commit 1ce9e6055fa0a9043 ("virtio_ring:
> > introduce packed ring support"); attempting to use the virtqueues le
virtqueue() to create the needed vring
layout from the start, instead of attempting to patch in the used ring
later. __vring_new_virtqueue() was added way back in commit
2a2d1382fe9dcc ("virtio: Add improved queue allocation API") in order to
address mic's usecase, according
ned-off-by: Vincent Whitchurch
---
v2: Put the sysctl behind a config option
include/linux/signal.h | 1 +
init/Kconfig | 14 ++
kernel/signal.c| 5 -
kernel/sysctl.c| 9 +
4 files changed, 28 insertions(+), 1 deletion(-)
diff --git a/include/linu
On Fri, Jan 18, 2019 at 04:49:16PM -0700, Stephen Warren wrote:
> On 1/16/19 9:32 AM, Vincent Whitchurch wrote:
> > The Virtio-over-PCIe framework living under drivers/misc/mic/vop implements
> > a
> > generic framework to use virtio between two Linux systems, given shared
On Thu, Jan 17, 2019 at 04:53:25PM +0100, Arnd Bergmann wrote:
> On Thu, Jan 17, 2019 at 4:19 PM Vincent Whitchurch
> wrote:
> > On Thu, Jan 17, 2019 at 01:39:27PM +0100, Arnd Bergmann wrote:
> > > Can you describe how you expect a VOP device over NTB or
> > > P
On Thu, Jan 17, 2019 at 07:21:42AM -0800, Christoph Hellwig wrote:
> On Thu, Jan 17, 2019 at 04:19:06PM +0100, Vincent Whitchurch wrote:
> > On the RC, a vop-host-backend driver (PCI driver) sets up some shared
> > memory area which the RC and the endpoint can use to communicate t
On Thu, Jan 17, 2019 at 01:39:27PM +0100, Arnd Bergmann wrote:
> Correct, and again we have to see if this is a good interface. The NTB
> and PCIe-endpoint interfaces have a number of differences and a
> number of similarities. In particular they should both be usable with
> virtio-style drivers, b
On Wed, Jan 16, 2019 at 09:06:18AM -0800, Kees Cook wrote:
> On Wed, Jan 16, 2019 at 4:54 AM Vincent Whitchurch
> wrote:
> > Add a sysctl which asks the kernel to panic when any userspace process
> > receives a fatal signal which would trigger a core dump. This has
> > p
On Wed, Jan 16, 2019 at 06:07:53PM +0100, Arnd Bergmann wrote:
> On Wed, Jan 16, 2019 at 5:33 PM Vincent Whitchurch
> wrote:
> > The Virtio-over-PCIe framework living under drivers/misc/mic/vop implements
> > a
> > generic framework to use virtio between two Lin
the series does not break anything there.
Vincent Whitchurch (8):
vop: Use %z for size_t
vop: Cast pointers to uintptr_t
vop: Add definition of readq/writeq if missing
vop: Allow building on more systems
vop: vringh: Do not crash if no DMA channel
vop: Fix handling of >32 featu
Fix these on 32-bit:
vop_vringh.c:711:13: error: cast from pointer to integer of different
size [-Werror=pointer-to-int-cast]
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/vop/vop_main.c | 8
drivers/misc/mic/vop/vop_vringh.c | 4 ++--
2 files changed, 6 insertions(+), 6
This is needed, for example, for VIRTIO_F_IOMMU_PLATFORM.
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/vop/vop_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/mic/vop/vop_main.c b/drivers/misc/mic/vop/vop_main.c
index 26b23f2cf94c
VOP_BUS does not actually depend on 32-bit X86 or PCI. The code uses
archdata.dma_ops so it can be built on ARM too.
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/Kconfig | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/mic/Kconfig b/drivers/misc
Fixes these kind of errors on 32-bit:
drivers/misc/mic/vop/vop_vringh.c:590:3:
error: format '%lx' expects argument of type 'long unsigned int',
but argument 7 has type 'size_t {aka unsigned int}' [-Werror=format=]
Signed-off-by: Vincent Whitchurch
---
drivers
Fallback gracefully if no DMA channel is provided instead of
dereferencing NULL pointers.
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/vop/vop_vringh.c | 32 +++
1 file changed, 20 insertions(+), 12 deletions(-)
diff --git a/drivers/misc/mic/vop
Add a loopback driver to allow testing and evaluation of the VOP
framework without special hardware. The host and the guest will run
under the same kernel.
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/Kconfig| 10 +
drivers/misc/mic/vop/Makefile | 2 +
drivers
Include so that readq/writeq are
replaced by two readl/writel on systems that do not support them. The
values read/written are pointers which will be 32-bit on 32-bit systems
so the non-atomicity should not matter.
Signed-off-by: Vincent Whitchurch
---
drivers/misc/mic/vop/vop_main.c | 1 +
1
The vop code maps buffers using the streaming DMA API but never syncs
them so it doesn't work on systems without cache coherence. The vrings
want consistent mappings, and not streaming mappings so use that API to
allocate and map buffers.
Signed-off-by: Vincent Whitchurch
---
drivers/mis
ned-off-by: Vincent Whitchurch
---
include/linux/signal.h | 1 +
kernel/signal.c| 5 -
kernel/sysctl.c| 7 +++
3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/include/linux/signal.h b/include/linux/signal.h
index cc7e2c1cd444..109efd1432e9 100644
--- a/inc
Bits are usually numbered starting from zero, so 4 should be bit 2, not
bit 3.
Suggested-by: Matthew Wilcox
Signed-off-by: Vincent Whitchurch
---
Documentation/sysctl/vm.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl
tive(file):240 kB
Inactive(file): 2344 kB
Signed-off-by: Vincent Whitchurch
---
Documentation/sysctl/vm.txt | 4
fs/drop_caches.c| 3 ++-
include/linux/fs.h | 10 --
kernel/sysctl.c | 4 ++--
mm/truncat
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