(OPT_CUSTOM) are not supported yet. I'd like
to do this in a follow-up series. See also discussion at
https://lists.xenproject.org/archives/html/xen-devel/2019-03/msg01383.html
- For integer parameters (OPT_UINT), only unsigned parameters are printed
correctly at the moment.
Vas
be changed
to read all hypervisor parameters if needed.
Signed-off-by: Vasilis Liaskovitis
---
tools/flask/policy/modules/dom0.te | 2 +-
xen/common/kernel.c | 118
xen/common/sysctl.c | 52 +++-
xen/include/public
Add a new libxc function to get hypervisor parameters.
Signed-off-by: Vasilis Liaskovitis
---
tools/libxc/include/xenctrl.h | 1 +
tools/libxc/xc_misc.c | 26 ++
2 files changed, 27 insertions(+)
diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include
Add a new libxl function to get hypervisor parameters.
Signed-off-by: Vasilis Liaskovitis
---
tools/libxl/libxl.c | 19 +++
tools/libxl/libxl.h | 1 +
2 files changed, 20 insertions(+)
diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index ec71574e99..9bb0382c38 100644
rs gnttab_max_frames
gnttab_max_frames : 128
xl get-parameters "gnttab_max_frames gnttab_max_maptrack_frames"
gnttab_max_frames gnttab_max_maptrack_frames : 128 1024
Signed-off-by: Vasilis Liaskovitis
---
docs/man/xl.1.pod.in | 5 +
tools/xl/xl.h | 1 +
tools/xl/xl_cmdtable.c
be changed
to read all hypervisor parameters if needed.
Signed-off-by: Vasilis Liaskovitis
---
tools/flask/policy/modules/dom0.te | 2 +-
xen/common/kernel.c | 118
xen/common/sysctl.c | 52 +++-
xen/include/public
Add a new libxc function to get hypervisor parameters.
Signed-off-by: Vasilis Liaskovitis
---
tools/libxc/include/xenctrl.h | 1 +
tools/libxc/xc_misc.c | 26 ++
2 files changed, 27 insertions(+)
diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include
rs gnttab_max_frames
gnttab_max_frames : 128
xl get-parameters "gnttab_max_frames gnttab_max_maptrack_frames"
gnttab_max_frames gnttab_max_maptrack_frames : 128 1024
Signed-off-by: Vasilis Liaskovitis
---
docs/man/xl.1.pod.in | 5 +
tools/xl/xl.h | 1 +
tools/xl/xl_cmdtable.c
gnttab_max_frames=128
xl get-parameters gnttab_max_frames
gnttab_max_frames : 128
xl get-parameters "gnttab_max_frames gnttab_max_maptrack_frames"
gnttab_max_frames gnttab_max_maptrack_frames : 128 1024
Vasilis Liaskovitis (4):
xen: add hypercall for getting parameters at runtime
libxc
Add a new libxl function to get hypervisor parameters.
Signed-off-by: Vasilis Liaskovitis
---
tools/libxl/libxl.c | 15 +++
tools/libxl/libxl.h | 1 +
2 files changed, 16 insertions(+)
diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index ec71574e99..124033e5a3 100644
--- a
Sorry for the delay, I was on a long vacation.
On Fri, 2019-04-05 at 17:01 +0200, Jan Beulich wrote:On 22.03.19 at
20:28, wrote:
> > Limitations:
> > - Custom runtime parameters (OPT_CUSTOM) are not supported yet.
> > - For integer parameters (OPT_UINT), only unsigned parameters are
> > printed
>
Add a new libxl function to get hypervisor parameters at runtime.
Signed-off-by: Vasilis Liaskovitis
---
tools/libxl/libxl.c | 15 +++
tools/libxl/libxl.h | 1 +
2 files changed, 16 insertions(+)
diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index ec71574e99..124033e5a3
Add a new libxc function to get hypervisor parameters at runtime.
Signed-off-by: Vasilis Liaskovitis
---
tools/libxc/include/xenctrl.h | 1 +
tools/libxc/xc_misc.c | 26 ++
2 files changed, 27 insertions(+)
diff --git a/tools/libxc/include/xenctrl.h b/tools
Add a new xl command "get-parameters" to get hypervisor parameters at
runtime.
Signed-off-by: Vasilis Liaskovitis
---
docs/man/xl.1.pod.in | 5 +
tools/xl/xl.h | 1 +
tools/xl/xl_cmdtable.c | 5 +
tools/xl/xl_misc.c | 25 +
4 files c
max_frames gnttab_max_maptrack_frames : 128 1024
Vasilis Liaskovitis (4):
xen: add hypercall for getting parameters at runtime
libxc: add function to get hypervisor parameters
libxl: add libxl_get_parameters() function
xl: add new xl command get-parameters
docs/man/xl.1.pod.in
Add a sysctl hypercall to support getting hypervisor parameters
at runtime.
Limitations:
- Custom runtime parameters (OPT_CUSTOM) are not supported yet.
- For integer parameters (OPT_UINT), only unsigned parameters are printed
correctly.
Signed-off-by: Vasilis Liaskovitis
---
tools/flask
On Mon, 2019-03-18 at 18:01 +0100, Jan Beulich wrote:
> > > > An alternative prototype could be:
> > > > int (*get_func)(char *output);
> > > > if we want the function to write the current parameter value
> > > > into a
> > > > caller-provided buffer, and possibly return error codes.
>
On Mon, 2019-03-18 at 15:02 +0100, Jan Beulich wrote:
> > > > From the return value of strcmp()? I don't think so, because
> > > > you
> may have run past all table entries. Instead it's that property
> that you can use, i.e. checking whether ...
>
> > > > +for ( param = start; param < end
thanks for the review.
On Wed, 2019-03-13 at 17:35 +0100, Jan Beulich wrote:
> > > > On 06.03.19 at 13:58, wrote:
> > +static int get_params(const char *cmdline, char *values,
> > + const struct kernel_param *start,
> > + const struct kernel_param *end)
>
Add a sysctl hypercall to support getting hypervisor parameters
at runtime.
Signed-off-by: Vasilis Liaskovitis
---
tools/flask/policy/modules/dom0.te | 2 +-
xen/common/kernel.c | 109
xen/common/sysctl.c | 45
xen
Add a new xl command "get-parameters" to get hypervisor parameters at
runtime.
Signed-off-by: Vasilis Liaskovitis
---
docs/man/xl.1.pod.in | 5 +
tools/xl/xl.h | 1 +
tools/xl/xl_cmdtable.c | 5 +
tools/xl/xl_misc.c | 25 +
4 files c
t-parameters gnttab_max_frames
gnttab_max_frames : 128
xl get-parameters "gnttab_max_frames gnttab_max_maptrack_frames"
gnttab_max_frames gnttab_max_maptrack_frames : 128 1024
Vasilis Liaskovitis (4):
xen: add hypercall for getting parameters at runtime
libxc: add function to get hypervisor para
Add a new libxc function to get hypervisor parameters at runtime.
Signed-off-by: Vasilis Liaskovitis
---
tools/libxc/include/xenctrl.h | 1 +
tools/libxc/xc_misc.c | 26 ++
2 files changed, 27 insertions(+)
diff --git a/tools/libxc/include/xenctrl.h b/tools
Add a new libxl function to get hypervisor parameters at runtime.
Signed-off-by: Vasilis Liaskovitis
---
tools/libxl/libxl.c | 15 +++
tools/libxl/libxl.h | 1 +
2 files changed, 16 insertions(+)
diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index ec71574e99..124033e5a3
On Mon, 2018-10-15 at 16:02 +0200, Roger Pau Monné wrote:
>
> > This results in a NULL pointer BUG when blkfront_remove and
> > blkif_free
> > try to access the failing device's NULL struct blkfront_info.
> >
> >
> I guess this is a candidate for backporting?
>
yes, I think so. At least for ke
ev, NULL);
This results in a NULL pointer BUG when blkfront_remove and blkif_free
try to access the failing device's NULL struct blkfront_info.
Signed-off-by: Vasilis Liaskovitis
---
drivers/block/xen-blkfront.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/block/xen-blkfront
On Thu, 2018-10-11 at 18:34 +0200, Roger Pau Monné wrote:
> --- a/drivers/block/xen-blkfront.c
> > +++ b/drivers/block/xen-blkfront.c
> > @@ -2493,6 +2493,9 @@ static int blkfront_remove(struct
> > xenbus_device *xbdev)
> >
> > dev_dbg(&xbdev->dev, "%s removed", xbdev->nodename);
> >
> > +
ev, NULL);
This results in a NULL pointer BUG when blkfront_remove and blkif_free
try to access the failing device's NULL struct blkfront_info.
Signed-off-by: Vasilis Liaskovitis
---
drivers/block/xen-blkfront.c | 4
1 file changed, 4 insertions(+)
diff --git a/drivers/block/xen-blkfront
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