On 19/07/16 16:56, SF Markus Elfring wrote:
>>> @@ -606,7 +606,7 @@ static void scsiback_device_action(struct vscsibk_pend
>>> *pending_req,
>>> tmr = kzalloc(sizeof(struct scsiback_tmr), GFP_KERNEL);
>>> if (!tmr) {
>>> target_put_sess_cmd(se_cmd);
>>> - goto err;
>>
On 20/07/16 07:10, SF Markus Elfring wrote:
> @@ -606,7 +606,7 @@ static void scsiback_device_action(struct
> vscsibk_pend *pending_req,
> tmr = kzalloc(sizeof(struct scsiback_tmr), GFP_KERNEL);
> if (!tmr) {
> target_put_sess_cmd(se_cmd);
> - goto err
using the Coccinelle software.
>
> Signed-off-by: Markus Elfring
Even if already given, here it is again:
Reviewed-by: Juergen Gross
Juergen
en if already given, here it is again:
Reviewed-by: Juergen Gross
Juergen
gned-off-by: Markus Elfring
Reviewed-by: Juergen Gross
Juergen
Instead of open coding it use the threaded irq mechanism in
xen-netback.
Signed-off-by: Juergen Gross
---
drivers/net/xen-netback/common.h| 4 +---
drivers/net/xen-netback/interface.c | 38 ++---
drivers/net/xen-netback/netback.c | 18 --
3
The Xen pciback driver maintains a list of all its seized devices.
There are two functions searching the list for a specific device with
basically the same semantics just returning different structures in
case of a match.
Split out the search function.
Signed-off-by: Juergen Gross
---
drivers
entry which already
exists. As this will be needed later split out the list handling into
a separate function.
Signed-off-by: Juergen Gross
---
drivers/xen/xen-pciback/pci_stub.c | 39 ++
1 file changed, 31 insertions(+), 8 deletions(-)
diff --git a/drivers/xen
drivers_probe
So e.g. libvirt doesn't need special handling for pciback.
Signed-off-by: Juergen Gross
---
V3: Move override check up in order not to miss the PCI_HEADER_TYPE
check.
Add an assigned device to the slot list.
V2: Removed now unused label
-
ck.
Changes in V2:
- Removed now unused label.
*** BLURB HERE ***
Juergen Gross (3):
xen/pciback: simplify pcistub device handling
xen/pciback: avoid multiple entries in slot list
xen/pciback: support driver_override
drivers/xen/xen-pciback/pci_stub.c | 125 +--
Instead of open coding it use the threaded irq mechanism in
xen-netback.
Signed-off-by: Juergen Gross
---
resend due to missing netdev list in first attempt
---
drivers/net/xen-netback/common.h| 4 +---
drivers/net/xen-netback/interface.c | 38 ++---
drivers
Instead of open coding it use the threaded irq mechanism in
xen-netback.
Signed-off-by: Juergen Gross
---
resend due to missing netdev list in first attempt and wrong address in second.
---
drivers/net/xen-netback/common.h| 4 +---
drivers/net/xen-netback/interface.c | 38
On 22/09/16 11:09, Paul Durrant wrote:
>> -Original Message-
>> From: Xen-devel [mailto:xen-devel-boun...@lists.xen.org] On Behalf Of
>> Juergen Gross
>> Sent: 22 September 2016 10:03
>> To: xen-de...@lists.xenproject.org; net...@vger.kernel.orga; linux-
&
On 22/09/16 12:31, Paul Durrant wrote:
>> -Original Message-
>> From: Juergen Gross [mailto:jgr...@suse.com]
>> Sent: 22 September 2016 11:17
>> To: Paul Durrant ; xen-de...@lists.xenproject.org;
>> net...@vger.kernel.orga ; linux-
>> ker...@vger.kerne
On 06/04/16 16:17, Juergen Gross wrote:
> Some hardware (e.g. Dell Studio laptops) require special functions to
> be called on physical cpu 0 in order to avoid occasional hangs. When
> running as dom0 under Xen this could be achieved only via special boot
> parameters (vcpu pinning)
On 21/06/16 16:17, Boris Ostrovsky wrote:
> This will match how PMU errors are reported at check_hw_exists()'s
> msr_fail label, which is reached when VPMU initialzation fails.
>
> Signed-off-by: Boris Ostrovsky
Acked-by: Juergen Gross
> ---
> arch/x86/xen/pmu.c | 2
+ David and Juergen (maintainers) and kernel list.
>
> Reviewed-by: Boris Ostrovsky
Acked-by: Juergen Gross
>
>
>> ---
>> drivers/xen/xen-pciback/conf_space.c | 6 ++
>> 1 file changed, 2 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/xen/xen-
On 22/09/16 23:02, Boris Ostrovsky wrote:
> On 09/22/2016 04:45 AM, Juergen Gross wrote:
>> The Xen pciback driver has a list of all pci devices it is ready to
>> seize. There is no check whether a to be added entry already exists.
>> While this might be no problem in the
On 22/09/16 23:10, Boris Ostrovsky wrote:
> On 09/22/2016 04:45 AM, Juergen Gross wrote:
>> Support the driver_override scheme introduced with commit 782a985d7af2
>> ("PCI: Introduce new device binding path using pci_dev.driver_override")
>>
>> As pcistub_prob
On 27/07/16 19:03, Linus Torvalds wrote:
> On Tue, Jul 26, 2016 at 8:59 PM, Juergen Gross wrote:
>>
>> Support calling functions on dedicated physical cpu
>>
>> Some hardware (e.g. Dell Studio laptops) require special functions to
>> be called on physical cpu 0 i
be either of level err or info
depending on the environment (native or virtualized). As the level is
taken from the format string and not the printed string, specifying
it via %s and a conditional argument didn't work the way intended.
Signed-off-by: Juergen Gross
---
arch/x86/eve
There are two functions with name xen_pmu_init() in the kernel. Rename
the one in drivers/xen/sys-hypervisor.c to avoid shadowing the one in
arch/x86/xen/pmu.c
Signed-off-by: Juergen Gross
---
drivers/xen/sys-hypervisor.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a
ry in case the hypervisor
returns EOPNOTSUPP when trying to activate VPMU.
Signed-off-by: Juergen Gross
---
arch/x86/xen/pmu.c | 7 +--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/x86/xen/pmu.c b/arch/x86/xen/pmu.c
index 32bdc2c..e9d66fa 100644
--- a/arch/x86/xen/pmu.c
On 01/08/16 16:10, Boris Ostrovsky wrote:
> On 08/01/2016 07:40 AM, Juergen Gross wrote:
>> There are two functions with name xen_pmu_init() in the kernel. Rename
>> the one in drivers/xen/sys-hypervisor.c to avoid shadowing the one in
>> arch/x86/xen/pmu.c
>>
>
On 01/08/16 16:11, Konrad Rzeszutek Wilk wrote:
> On Mon, Aug 01, 2016 at 01:41:20PM +0200, Juergen Gross wrote:
>> The default for the Xen hypervisor is to not enable VPMU in order to
>> avoid security issues. In this case the Linux kernel will issue the
>> message "Cou
On 01/08/16 17:46, Boris Ostrovsky wrote:
> On 08/01/2016 11:44 AM, Juergen Gross wrote:
>> On 01/08/16 16:10, Boris Ostrovsky wrote:
>>> On 08/01/2016 07:40 AM, Juergen Gross wrote:
>>>> There are two functions with name xen_pmu_init() in the kernel. Rename
&
On 08/09/16 16:10, Boris Ostrovsky wrote:
> On 09/02/2016 08:30 AM, Juergen Gross wrote:
>> Support the driver_override scheme introduced with commit 782a985d7af2
>> ("PCI: Introduce new device binding path using pci_dev.driver_override")
>>
>> As pcistub_prob
check for driver_override set to "pciback" itself.
Signed-off-by: Juergen Gross
---
drivers/xen/xen-pciback/pci_stub.c | 16 ++--
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/xen/xen-pciback/pci_stub.c
b/drivers/xen/xen-pciback/pci_stub.c
index 258b7c3..
check for driver_override set to "pciback" itself.
Signed-off-by: Juergen Gross
---
V2: removed now unused label
---
drivers/xen/xen-pciback/pci_stub.c | 16 ++--
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/xen/xen-pciback/pci_stub.c
b/drivers/xen/xe
pu up/down") because of Xen allocating
> irqs in both of its cpu_up ops.
>
> We can move those allocations into CPU notifiers so that original
> patch can be reinstated.
>
> Signed-off-by: Boris Ostrovsky
Reviewed-by: Juergen Gross
Juergen
On 03/08/16 19:22, Boris Ostrovsky wrote:
> Now that Xen no longer allocates irqs in _cpu_up() we can restore
> commit a89941816726 ("hotplug: Prevent alloc/free of irq descriptors
> during cpu up/down")
>
> Signed-off-by: Boris Ostrovsky
> Acked-by: Thomas Gleixner
On 27/07/16 08:41, Ingo Molnar wrote:
>
> * Juergen Gross wrote:
>
>> Hi Linus,
>>
>> please consider pulling a patch series for 4.8 from:
>>
>> https://github.com/jgross1/linux.git tags/for-linus-4-8
>>
>> Unfortunately 2 of the 6 patche
convention.
>
> Signed-off-by: Markus Elfring
Reviewed-by: Juergen Gross
Juergen
patch()
(Peter Zijlstra)
[1]: https://lkml.org/lkml/2017/5/15/502
Juergen Gross (2):
paravirt,xen: remove xen_patch()
x86/lguest: remove lguest support
MAINTAINERS | 11 -
arch/x86/Kbuild |3 -
arch/x86/Kconfig |
ned-off-by: Juergen Gross
---
arch/x86/xen/enlighten_pv.c | 59 +
arch/x86/xen/xen-asm.S | 24 --
arch/x86/xen/xen-asm.h | 12 -
arch/x86/xen/xen-asm_32.S | 27 -
arch/x86/xen/xen-asm_6
/0x70
Fixes: 96db776a3682 ("i40e/i40evf: fix interrupt affinity bug")
Cc: # 4.10+
Signed-off-by: Juergen Gross
---
V2: enhance commit message, merge patches
---
drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +-
drivers/net/ethernet/intel/i40evf/i40evf_main.c | 2 +-
2 files
A kernel configured with XEN_PV but without KVM_GUEST will fail to
build since the patch removing the adjust_exception_frame paravirt
op.
Fix this failure.
Reported-by: Sander Eikelenboom
Signed-off-by: Juergen Gross
---
arch/x86/xen/xen-asm_64.S | 1 -
1 file changed, 1 deletion(-)
diff
ely. :-)
> Context Switches 187514 (175324) Context Switches 187358 (175060)
> Sleeps 112633 (24535.5) Sleeps 111743 (23297.6)
>
> Suggested-by: Peter Zijlstra
> Signed-off-by: Vitaly Kuznetsov
Acked-by: Juergen Gross
Thanks,
Juergen
.
Juergen Gross (2):
doc,xen: document hypervisor sysfs nodes for xen
xen: add sysfs node for guest type
Documentation/ABI/stable/sysfs-hypervisor-xen | 107 +
.../{sysfs-hypervisor-pmu => sysfs-hypervisor-xen} | 15 ++-
MAINTAIN
behavior of some instructions), add a sysfs node
/sys/hypervisor/guest_type to explicitly deliver this information as
it is known to the kernel.
Signed-off-by: Juergen Gross
---
V2:
- remove PVHVM guest type (Andrew Cooper)
- move description to Documentation/ABI/testing/sysfs-hypervisor-xen
file.
Signed-off-by: Juergen Gross
---
V2:
- rename file to Documentation/ABI/stable/sysfs-hypervisor-xen in
order to reflect Xen dependency
- leave pmu entries in old file under testing (Boris Ostrovsky)
---
Documentation/ABI/stable/sysfs-hypervisor-xen | 107
When registering for the Xenstore watch of the node control/sysrq the
handler will be called at once. Don't issue an error message if the
Xenstore node isn't there, as it will be created only when an event
is being triggered.
Signed-off-by: Juergen Gross
---
drivers/xen/manage.c | 7
On 30/05/17 15:25, Boris Ostrovsky wrote:
> On 05/29/2017 05:13 AM, Juergen Gross wrote:
>> When registering for the Xenstore watch of the node control/sysrq the
>> handler will be called at once. Don't issue an error message if the
>> Xenstore node isn't there, as
On 30/05/17 19:08, Boris Ostrovsky wrote:
> On 05/30/2017 11:03 AM, Juergen Gross wrote:
>> On 30/05/17 15:25, Boris Ostrovsky wrote:
>>> On 05/29/2017 05:13 AM, Juergen Gross wrote:
>>>> When registering for the Xenstore watch of the node control/sysrq the
>&
When registering for the Xenstore watch of the node control/sysrq the
handler will be called at once. Don't issue an error message if the
Xenstore node isn't there, as it will be created only when an event
is being triggered.
Signed-off-by: Juergen Gross
---
drivers/xen/man
through to the approprate
> xlate_mmu function if the feature is present.
>
> This patch also moves xen_remap_domain_gfn_range() into the PV-only MMU
> code and #ifdefs the (only) calling code in privcmd accordingly.
>
> Signed-off-by: Paul Durrant
> ---
> Cc: Boris Ostro
On 01/11/17 14:45, Paul Durrant wrote:
>> -Original Message-
>> From: Juergen Gross [mailto:jgr...@suse.com]
>> Sent: 01 November 2017 13:40
>> To: Paul Durrant ; x...@kernel.org; xen-
>> de...@lists.xenproject.org; linux-kernel@vger.kernel.org
>> C
On 01/11/17 16:32, Waiman Long wrote:
> Currently, there are 3 different lock types that can be chosen for
> the x86 architecture:
>
> - qspinlock
> - pvqspinlock
> - unfair lock
>
> One of the above lock types will be chosen at boot time depending on
> a number of different factors.
>
> Idea
Update arch/x86/include/asm/xen/cpuid.h from the Xen tree to get newest
definitions.
Signed-off-by: Juergen Gross
---
arch/x86/include/asm/xen/cpuid.h | 42 ++--
1 file changed, 32 insertions(+), 10 deletions(-)
diff --git a/arch/x86/include/asm/xen/cpuid.h
for version select
Juergen Gross (5):
xen: re-introduce support for grant v2 interface
xen: limit grant v2 interface to the v1 functionality
xen: add grant interface version dependent constants to gnttab_ops
xen: update arch/x86/include/asm/xen/cpuid.h
xen: select grant interface vers
s machines with more than 16TB of memory are expected to be more
common in the near future support of grant v2 is mandatory in order
to be able to run a Xen pv domain at any memory location.
So re-add grant v2 support basically by reverting above commit.
Signed-off-by: Juergen Gross
---
arch/arm
-off-by: Juergen Gross
---
V2:
- remove update_trans_entry() from gnttab_ops (Boris Ostrovsky)
---
drivers/xen/grant-table.c | 150 --
include/xen/grant_table.h | 25
2 files changed, 175 deletions(-)
diff --git a/drivers/xen/grant-table.c b
Instead of having multiple variables with constants like
grant_table_version or grefs_per_grant_frame add those to struct
gnttab_ops and access them just via the gnttab_interface pointer.
Signed-off-by: Juergen Gross
Reviewed-by: Boris Ostrovsky
---
drivers/xen/grant-table.c | 73
to specify the grant interface version
via a boot parameter.
Signed-off-by: Juergen Gross
---
V2:
- use cpuid on pv and max_possible_pfn on hvm for version select
---
drivers/xen/grant-table.c | 35 +--
1 file changed, 33 insertions(+), 2 deletions(-)
diff --git a
On 02/11/17 08:59, Andy Lutomirski wrote:
> I'm removing thread_struct::sp0, and Xen's usage of it is slightly
> dubious and unnecessary. Use appropriate helpers instead.
>
> While we're at at, reorder the code slightly to make it more obvious
> what's goi
On 02/11/17 14:25, Waiman Long wrote:
> On 11/01/2017 06:01 PM, Boris Ostrovsky wrote:
>> On 11/01/2017 04:58 PM, Waiman Long wrote:
>>> +/* TODO: To be removed in a future kernel version */
>>> static __init int xen_parse_nopvspin(char *arg)
>>> {
>>> - xen_pvspin = false;
>>> + pr_warn("xen
On 04/10/17 17:58, Josh Poimboeuf wrote:
> Since lguest was removed, only the native version of wbinvd() is used.
> The paravirt interface is no longer needed.
>
> Signed-off-by: Josh Poimboeuf
Reviewed-by: Juergen Gross
Juergen
On 24/10/17 16:33, Boris Ostrovsky wrote:
> On 10/24/2017 04:10 AM, Juergen Gross wrote:
>> Commit 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't
>> online new memory initially") introduced a regression when booting a
>> HVM domain with
On 24/10/17 16:56, Boris Ostrovsky wrote:
> On 10/24/2017 10:41 AM, Juergen Gross wrote:
>> On 24/10/17 16:33, Boris Ostrovsky wrote:
>>> On 10/24/2017 04:10 AM, Juergen Gross wrote:
>>>> Commit 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don
On 24/10/17 16:59, HW42 wrote:
> Juergen Gross:
>> On 24/10/17 16:56, Boris Ostrovsky wrote:
>>> On 10/24/2017 10:41 AM, Juergen Gross wrote:
>>>> On 24/10/17 16:33, Boris Ostrovsky wrote:
>>>>> On 10/24/2017 04:10 AM, Juergen Gross wrote:
>>&
On 25/10/17 06:26, Dou Liyang wrote:
> Hi Juergen,
>
> At 10/23/2017 09:49 PM, Juergen Gross wrote:
>> Don't try to set the static virt_spin_lock_key to a value before
>> jump_label_init() has been called, as this will result in a WARN().
>>
>> Solve the
On 25/10/17 09:35, Dou Liyang wrote:
> Hi Juergen,
>
> [...]
>>> I like your original method.
>>> So, I try to fix it by moving the native_pv_lock_init() from
>>> native_smp_prepare_boot_cpu() to native_smp_prepare_cpus().
>>
>> Hmm, this might work, but the Xen case has to be modified (same for
On 04/10/17 17:58, Josh Poimboeuf wrote:
> Some of the paravirt '*_CLOBBERS' macros refer to output constraints
> instead of clobbers, which makes the code extra confusing. Rename the
> output constraint related macros to '*_OUTPUTS'.
>
> Signed-off-by: Josh Poimboeuf
I'm fine with the changes,
'%' characters instead of one when specifying
> a register name.
>
> Signed-off-by: Josh Poimboeuf
Reviewed-by: Juergen Gross
Mind adding another patch to merge the now nearly identical
paravirt_patch_32.c and paravirt_patch_64.c either into paravirt.c
or paravirt_patch.c? This
extended asm syntax so the NATIVE_* macros can be shared more
> broadly.
>
> Signed-off-by: Josh Poimboeuf
Reviewed-by: Juergen Gross
Juergen
On 04/10/17 17:58, Josh Poimboeuf wrote:
> The paravirt.h file is quite big and the asm interfaces for paravirt
> don't need to be in the same file as the C interfaces. Move the asm
> interfaces to a dedicated header file.
>
> Signed-off-by: Josh Poimboeuf
Reviewed-by: Juergen Gross
Juergen
On 04/10/17 17:58, Josh Poimboeuf wrote:
> Some cleanup to make the code easier to read and understand:
>
> - Use the common "PV_" prefix
> - Simplify the PV_SITE macro interface
> - Improve whitespace
>
> Signed-off-by: Josh Poimboeuf
Reviewed-by: Juergen Gross
Juergen
On 04/10/17 17:58, Josh Poimboeuf wrote:
> Remove the inline asm duplication in PVOP_CALL().
>
> Also add 'IS_ENABLED(CONFIG_X86_32)' to the return variable logic,
> making the code clearer and rendering the comment unnecessary.
>
> Signed-off-by: Josh Poimboeuf
On 04/10/17 17:58, Josh Poimboeuf wrote:
> Make paravirt_types.h more understandable:
>
> - Use more consistent and logical naming
> - Simplify interfaces
> - Put related macros together
> - Improve whitespace
>
> Signed-off-by: Josh Poimboeuf
Reviewed-by: Juergen Gross
Juergen
On 04/10/17 17:58, Josh Poimboeuf wrote:
> The ALTERNATIVE() and ALTERNATIVE_2() macros are GNU assembler macros,
> which makes them quite inflexible for future changes. Convert them to
> preprocessor macros.
>
> Signed-off-by: Josh Poimboeuf
Reviewed-by: Juergen Gross
Juergen
On 04/10/17 17:58, Josh Poimboeuf wrote:
> Add alternative patching support for replacing an instruction with an
> indirect call. This will be needed for the paravirt alternatives.
>
> Signed-off-by: Josh Poimboeuf
> ---
> arch/x86/kernel/alternative.c | 22 +++---
> 1 file chan
little bit
earlier.
Cc:
Reported-by: Arthur Borsboom
Signed-off-by: Juergen Gross
---
drivers/xen/gntdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 82360594fa8e..57efbd3b053b 100644
--- a/drivers/xen/gntdev.c
+++ b
On 26/10/17 10:26, Andy Lutomirski wrote:
> Xen PV is fundamentally incompatible with our fancy NMI code: it
> doesn't use IST at all, and Xen entries clobber two stack slots
> below the hardware frame.
>
> Drop Xen PV support from our NMI code entirely.
>
> Cc:
On 26/10/17 10:26, Andy Lutomirski wrote:
> I'm removing thread_struct::sp0, and Xen's usage of it is slightly
> dubious and unnecessary. Use appropriate helpers instead.
>
> While we're at at, reorder the code slightly to make it more obvious
> what's goi
online new memory initially")
Reported-by: Simon Gaiser
Suggested-by: Boris Ostrovsky
Signed-off-by: Juergen Gross
---
drivers/xen/xen-balloon.c | 19 +--
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xe
Mails to chr...@sous-sol.org are not deliverable since several months.
Drop him as PARAVIRT_OPS maintainer.
Signed-off-by: Juergen Gross
---
MAINTAINERS | 1 -
1 file changed, 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index d85c08956875..af0cb69f6a3e 100644
--- a/MAINTAINERS
+++ b
On 23/06/17 18:23, Anton Vasilyev wrote:
> The patch removes unnecessary return from void function.
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Anton Vasilyev
Reviewed-by: Juergen Gross
Juergen
> to poll for a while and do not enter real idle path if we can get the
> schedule event during polling.
>
> Poll may cause the CPU waste so we adopt a smart polling mechanism to
> reduce the useless poll.
>
> Signed-off-by: Yang Zhang
> Signed-off-by: Quan Xu
> Cc:
On 14/11/17 08:02, Quan Xu wrote:
>
>
> On 2017/11/13 18:53, Juergen Gross wrote:
>> On 13/11/17 11:06, Quan Xu wrote:
>>> From: Quan Xu
>>>
>>> So far, pv_idle_ops.poll is the only ops for pv_idle. .poll is called
>>> in idle path which
On 14/11/17 10:38, Quan Xu wrote:
>
>
> On 2017/11/14 15:30, Juergen Gross wrote:
>> On 14/11/17 08:02, Quan Xu wrote:
>>>
>>> On 2017/11/13 18:53, Juergen Gross wrote:
>>>> On 13/11/17 11:06, Quan Xu wrote:
>>>>> From: Quan Xu
>
On 14/11/17 12:43, Quan Xu wrote:
>
>
> On 2017/11/14 18:27, Juergen Gross wrote:
>> On 14/11/17 10:38, Quan Xu wrote:
>>>
>>> On 2017/11/14 15:30, Juergen Gross wrote:
>>>> On 14/11/17 08:02, Quan Xu wrote:
>>>>> On 2017/11/13 18:53,
On 02/11/17 23:18, Boris Ostrovsky wrote:
> For any other error sync_cmos_clock() will reschedule itself
> every second or so, for no good reason.
>
> Suggested-by: Paolo Bonzini
> Signed-off-by: Boris Ostrovsky
Reviewed-by: Juergen Gross
Juergen
On 02/11/17 19:41, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
>
> Addresses-Coverity-ID: 146562
> Addresses-Coverity-ID: 146563
> Signed-off-by: Gustavo A. R. Silva
Reviewed
GCC is expecting to find.
>
> Signed-off-by: Gustavo A. R. Silva
Reviewed-by: Juergen Gross
Juergen
.
>
> Detected by CoverityScan, CID#1460358 ("Unsigned compared against 0")
>
> Fixes: 219681909913 ("xen/pvcalls: connect to the backend")
> Signed-off-by: Colin Ian King
Reviewed-by: Juergen Gross
Juergen
quot;)
>
> Fixes: cb1c7d9bbc87 ("xen/pvcalls: implement connect command")
> Signed-off-by: Colin Ian King
Reviewed-by: Juergen Gross
Juergen
On 27/10/17 09:16, Dongli Zhang wrote:
> Hi Boris,
>
> On 10/25/2017 11:12 PM, Boris Ostrovsky wrote:
>> On 10/25/2017 02:45 AM, Dongli Zhang wrote:
>>> After guest live migration on xen, steal time in /proc/stat
>>> (cpustat[CPUTIME_STEAL]) might decrease because steal returned by
>>> xen_steal_l
/xen/p2m.c| 2 +-
drivers/xen/gntdev.c | 2 +-
drivers/xen/xen-balloon.c | 19 +--
4 files changed, 15 insertions(+), 9 deletions(-)
Juergen Gross (3):
xen/gntdev: avoid out of bounds access in case of partial gntdev_mmap()
xen: fix booting ballooned down hvm
On 27/10/17 09:40, Dongli Zhang wrote:
> Hi Juergen,
>
> On 10/27/2017 03:31 PM, Juergen Gross wrote:
>> On 27/10/17 09:16, Dongli Zhang wrote:
>>> Hi Boris,
>>>
>>> On 10/25/2017 11:12 PM, Boris Ostrovsky wrote:
>>>> On 10/25/2017 02:45 AM, D
On 27/10/17 10:43, Ingo Molnar wrote:
>
> * Juergen Gross wrote:
>
>> Don't try to set the static virt_spin_lock_key to a value before
>> jump_label_init() has been called, as this will result in a WARN().
>>
>> Solve the problem by introduci
>> call of virt_spin_lock()")
>>>
>>> set the static virt_spin_lock_key to a value before jump_label_init()
>>> has been called, which will result in a WARN().
>>>
>>> Move the native_pv_lock_init() into xx_smp_prepare_cpus(). Make the
>>> setup
sult in a WARN().
>
> Move the native_pv_lock_init() into xx_smp_prepare_cpus(). Make the
> setup later to avoid the WARN().
>
> Reported-by: Juergen Gross
> Suggested-by: Juergen Gross
> Signed-off-by: Dou Liyang
> ---
> arch/x86/kernel/smpboot.c | 3 ++-
> arch
reading/writing a MFN from/to a pte don't use the kernel's
PTE_PFN_MASK but a new XEN_PTE_MFN_MASK allowing full 40 bit wide MFNs.
Signed-off-by: Juergen Gross
---
V2:
- use __sme_clr() to clear any SME bit from MFN (Boris Ostrovsky)
---
arch/x86/include/asm/xen/page.h | 11 ++-
On 28/10/17 12:55, Borislav Petkov wrote:
> On Fri, Oct 27, 2017 at 07:25:04PM +0200, Juergen Gross wrote:
>>>> This is assuming CPU 0 is the boot cpu. I think you want
>>>> boot_cpu_data.cpu_index here or whatever is used on xen to identify the
>>>> BSP
On 30/10/17 06:26, Dongli Zhang wrote:
> After guest live migration on xen, steal time in /proc/stat
> (cpustat[CPUTIME_STEAL]) might decrease because steal returned by
> xen_steal_lock() might be less than this_rq()->prev_steal_time which is
> derived from previous return value of xen_steal_clock(
e8 df 2a 7b 00 5b
> 41 5c 5d c3 48 89 fa 48 c7 c6 40 93 a3 81 48 c7 c7 00 8b cb 81 e8 95 b5
> f3 ff <0f> ff eb a8 0f ff eb b3 48 89 df e8 14 fc ff ff eb c7 66 90 e8
> [ 0.00] ---[ end trace c12d07f00399ce78 ]---
> [ 0.00] Built 2 zonelists, mobility grouping on. Tot
On 10/07/2015 10:21 PM, Konrad Rzeszutek Wilk wrote:
Hey,
I was running some tools in which we would heavily do rescheduling
of events - and realized to my surprise that the event channels (and
the hypercall) would slow things down. If I used the vAPIC with its
IPI support (so no VMEXIT) I got m
Ping?
On 08/06/2015 01:55 PM, Juergen Gross wrote:
Remove the paravirt operation "get_tsc_khz" as it is used nowhere.
Signed-off-by: Juergen Gross
---
arch/x86/include/asm/paravirt_types.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/x86/include/asm/paravirt_types.h
dom0 plus the identity mapped holes required
for PCI space, BIOS etc.
Reported-by: Boris Ostrovsky
Signed-off-by: Juergen Gross
---
arch/x86/xen/setup.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index a1a77ea..ead0d36 10
820 map as well.
Reported-by: Boris Ostrovsky
Signed-off-by: Juergen Gross
---
arch/x86/xen/setup.c | 23 +++
1 file changed, 15 insertions(+), 8 deletions(-)
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index ead0d36..7a5d566 100644
--- a/arch/x86/xen/setup.c
+++
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