* [PATCH] xen/events: don't use chip_data for legacy IRQs
@ 2020-10-05 6:19 Juergen Gross
2020-10-14 9:31 ` Jürgen Groß
0 siblings, 1 reply; 8+ messages in thread
From: Juergen Gross @ 2020-10-05 6:19 UTC (permalink / raw)
To: stable; +Cc: Juergen Gross, Stefan Bader, Boris Ostrovsky
Since commit c330fb1ddc0a ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
Xen is using the chip_data pointer for storing IRQ specific data. When
running as a HVM domain this can result in problems for legacy IRQs, as
those might use chip_data for their own purposes.
Use a local array for this purpose in case of legacy IRQs, avoiding the
double use.
Fixes: c330fb1ddc0a ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
Signed-off-by: Juergen Gross <jgross@suse.com>
Tested-by: Stefan Bader <stefan.bader@canonical.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20200930091614.13660-1-jgross@suse.com
---
This is a backport for stable kernel 5.4.y and older
---
drivers/xen/events/events_base.c | 29 +++++++++++++++++++++--------
1 file changed, 21 insertions(+), 8 deletions(-)
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 55f2b834cf13..e402620b8920 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -91,6 +91,8 @@ static bool (*pirq_needs_eoi)(unsigned irq);
/* Xen will never allocate port zero for any purpose. */
#define VALID_EVTCHN(chn) ((chn) != 0)
+static struct irq_info *legacy_info_ptrs[NR_IRQS_LEGACY];
+
static struct irq_chip xen_dynamic_chip;
static struct irq_chip xen_percpu_chip;
static struct irq_chip xen_pirq_chip;
@@ -155,7 +157,18 @@ int get_evtchn_to_irq(unsigned evtchn)
/* Get info for IRQ */
struct irq_info *info_for_irq(unsigned irq)
{
- return irq_get_chip_data(irq);
+ if (irq < nr_legacy_irqs())
+ return legacy_info_ptrs[irq];
+ else
+ return irq_get_chip_data(irq);
+}
+
+static void set_info_for_irq(unsigned int irq, struct irq_info *info)
+{
+ if (irq < nr_legacy_irqs())
+ legacy_info_ptrs[irq] = info;
+ else
+ irq_set_chip_data(irq, info);
}
/* Constructors for packed IRQ information. */
@@ -376,7 +389,7 @@ static void xen_irq_init(unsigned irq)
info->type = IRQT_UNBOUND;
info->refcnt = -1;
- irq_set_chip_data(irq, info);
+ set_info_for_irq(irq, info);
list_add_tail(&info->list, &xen_irq_list_head);
}
@@ -425,14 +438,14 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)
static void xen_free_irq(unsigned irq)
{
- struct irq_info *info = irq_get_chip_data(irq);
+ struct irq_info *info = info_for_irq(irq);
if (WARN_ON(!info))
return;
list_del(&info->list);
- irq_set_chip_data(irq, NULL);
+ set_info_for_irq(irq, NULL);
WARN_ON(info->refcnt > 0);
@@ -602,7 +615,7 @@ EXPORT_SYMBOL_GPL(xen_irq_from_gsi);
static void __unbind_from_irq(unsigned int irq)
{
int evtchn = evtchn_from_irq(irq);
- struct irq_info *info = irq_get_chip_data(irq);
+ struct irq_info *info = info_for_irq(irq);
if (info->refcnt > 0) {
info->refcnt--;
@@ -1106,7 +1119,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,
void unbind_from_irqhandler(unsigned int irq, void *dev_id)
{
- struct irq_info *info = irq_get_chip_data(irq);
+ struct irq_info *info = info_for_irq(irq);
if (WARN_ON(!info))
return;
@@ -1140,7 +1153,7 @@ int evtchn_make_refcounted(unsigned int evtchn)
if (irq == -1)
return -ENOENT;
- info = irq_get_chip_data(irq);
+ info = info_for_irq(irq);
if (!info)
return -ENOENT;
@@ -1168,7 +1181,7 @@ int evtchn_get(unsigned int evtchn)
if (irq == -1)
goto done;
- info = irq_get_chip_data(irq);
+ info = info_for_irq(irq);
if (!info)
goto done;
--
2.26.2
^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH] xen/events: don't use chip_data for legacy IRQs
2020-10-05 6:19 [PATCH] xen/events: don't use chip_data for legacy IRQs Juergen Gross
@ 2020-10-14 9:31 ` Jürgen Groß
2020-10-14 9:51 ` Greg KH
0 siblings, 1 reply; 8+ messages in thread
From: Jürgen Groß @ 2020-10-14 9:31 UTC (permalink / raw)
To: stable; +Cc: Stefan Bader, Boris Ostrovsky
Any reason this has not made it into 5.4.y and older by now?
This patch is fixing a real problem...
Juergen
On 05.10.20 08:19, Juergen Gross wrote:
> Since commit c330fb1ddc0a ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
> Xen is using the chip_data pointer for storing IRQ specific data. When
> running as a HVM domain this can result in problems for legacy IRQs, as
> those might use chip_data for their own purposes.
>
> Use a local array for this purpose in case of legacy IRQs, avoiding the
> double use.
>
> Fixes: c330fb1ddc0a ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
> Signed-off-by: Juergen Gross <jgross@suse.com>
> Tested-by: Stefan Bader <stefan.bader@canonical.com>
> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Link: https://lore.kernel.org/r/20200930091614.13660-1-jgross@suse.com
> ---
> This is a backport for stable kernel 5.4.y and older
> ---
> drivers/xen/events/events_base.c | 29 +++++++++++++++++++++--------
> 1 file changed, 21 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
> index 55f2b834cf13..e402620b8920 100644
> --- a/drivers/xen/events/events_base.c
> +++ b/drivers/xen/events/events_base.c
> @@ -91,6 +91,8 @@ static bool (*pirq_needs_eoi)(unsigned irq);
> /* Xen will never allocate port zero for any purpose. */
> #define VALID_EVTCHN(chn) ((chn) != 0)
>
> +static struct irq_info *legacy_info_ptrs[NR_IRQS_LEGACY];
> +
> static struct irq_chip xen_dynamic_chip;
> static struct irq_chip xen_percpu_chip;
> static struct irq_chip xen_pirq_chip;
> @@ -155,7 +157,18 @@ int get_evtchn_to_irq(unsigned evtchn)
> /* Get info for IRQ */
> struct irq_info *info_for_irq(unsigned irq)
> {
> - return irq_get_chip_data(irq);
> + if (irq < nr_legacy_irqs())
> + return legacy_info_ptrs[irq];
> + else
> + return irq_get_chip_data(irq);
> +}
> +
> +static void set_info_for_irq(unsigned int irq, struct irq_info *info)
> +{
> + if (irq < nr_legacy_irqs())
> + legacy_info_ptrs[irq] = info;
> + else
> + irq_set_chip_data(irq, info);
> }
>
> /* Constructors for packed IRQ information. */
> @@ -376,7 +389,7 @@ static void xen_irq_init(unsigned irq)
> info->type = IRQT_UNBOUND;
> info->refcnt = -1;
>
> - irq_set_chip_data(irq, info);
> + set_info_for_irq(irq, info);
>
> list_add_tail(&info->list, &xen_irq_list_head);
> }
> @@ -425,14 +438,14 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)
>
> static void xen_free_irq(unsigned irq)
> {
> - struct irq_info *info = irq_get_chip_data(irq);
> + struct irq_info *info = info_for_irq(irq);
>
> if (WARN_ON(!info))
> return;
>
> list_del(&info->list);
>
> - irq_set_chip_data(irq, NULL);
> + set_info_for_irq(irq, NULL);
>
> WARN_ON(info->refcnt > 0);
>
> @@ -602,7 +615,7 @@ EXPORT_SYMBOL_GPL(xen_irq_from_gsi);
> static void __unbind_from_irq(unsigned int irq)
> {
> int evtchn = evtchn_from_irq(irq);
> - struct irq_info *info = irq_get_chip_data(irq);
> + struct irq_info *info = info_for_irq(irq);
>
> if (info->refcnt > 0) {
> info->refcnt--;
> @@ -1106,7 +1119,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,
>
> void unbind_from_irqhandler(unsigned int irq, void *dev_id)
> {
> - struct irq_info *info = irq_get_chip_data(irq);
> + struct irq_info *info = info_for_irq(irq);
>
> if (WARN_ON(!info))
> return;
> @@ -1140,7 +1153,7 @@ int evtchn_make_refcounted(unsigned int evtchn)
> if (irq == -1)
> return -ENOENT;
>
> - info = irq_get_chip_data(irq);
> + info = info_for_irq(irq);
>
> if (!info)
> return -ENOENT;
> @@ -1168,7 +1181,7 @@ int evtchn_get(unsigned int evtchn)
> if (irq == -1)
> goto done;
>
> - info = irq_get_chip_data(irq);
> + info = info_for_irq(irq);
>
> if (!info)
> goto done;
>
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH] xen/events: don't use chip_data for legacy IRQs
2020-10-14 9:31 ` Jürgen Groß
@ 2020-10-14 9:51 ` Greg KH
2020-10-14 10:44 ` Jürgen Groß
0 siblings, 1 reply; 8+ messages in thread
From: Greg KH @ 2020-10-14 9:51 UTC (permalink / raw)
To: Jürgen Groß; +Cc: stable, Stefan Bader, Boris Ostrovsky
On Wed, Oct 14, 2020 at 11:31:33AM +0200, Jürgen Groß wrote:
> Any reason this has not made it into 5.4.y and older by now?
>
> This patch is fixing a real problem...
What is the git commit id of this patch in Linus's tree?
thanks,
greg k-h
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH] xen/events: don't use chip_data for legacy IRQs
2020-10-14 9:51 ` Greg KH
@ 2020-10-14 10:44 ` Jürgen Groß
2020-10-16 8:06 ` Greg KH
0 siblings, 1 reply; 8+ messages in thread
From: Jürgen Groß @ 2020-10-14 10:44 UTC (permalink / raw)
To: Greg KH; +Cc: stable, Stefan Bader, Boris Ostrovsky
On 14.10.20 11:51, Greg KH wrote:
> On Wed, Oct 14, 2020 at 11:31:33AM +0200, Jürgen Groß wrote:
>> Any reason this has not made it into 5.4.y and older by now?
>>
>> This patch is fixing a real problem...
>
> What is the git commit id of this patch in Linus's tree?
0891fb39ba67bd7ae023ea0d367297ffff010781
Juergen
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH] xen/events: don't use chip_data for legacy IRQs
2020-10-14 10:44 ` Jürgen Groß
@ 2020-10-16 8:06 ` Greg KH
0 siblings, 0 replies; 8+ messages in thread
From: Greg KH @ 2020-10-16 8:06 UTC (permalink / raw)
To: Jürgen Groß; +Cc: stable, Stefan Bader, Boris Ostrovsky
On Wed, Oct 14, 2020 at 12:44:39PM +0200, Jürgen Groß wrote:
> On 14.10.20 11:51, Greg KH wrote:
> > On Wed, Oct 14, 2020 at 11:31:33AM +0200, Jürgen Groß wrote:
> > > Any reason this has not made it into 5.4.y and older by now?
> > >
> > > This patch is fixing a real problem...
> >
> > What is the git commit id of this patch in Linus's tree?
>
> 0891fb39ba67bd7ae023ea0d367297ffff010781
Thank you, now queued up. Always try to remember that next time, as
it's required.
thanks,
greg k-h
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH] xen/events: don't use chip_data for legacy IRQs
2020-09-30 9:16 Juergen Gross
2020-09-30 12:06 ` Stefan Bader
@ 2020-09-30 13:51 ` boris.ostrovsky
1 sibling, 0 replies; 8+ messages in thread
From: boris.ostrovsky @ 2020-09-30 13:51 UTC (permalink / raw)
To: Juergen Gross, xen-devel, linux-kernel; +Cc: Stefano Stabellini, stable
On 9/30/20 5:16 AM, Juergen Gross wrote:
> Since commit c330fb1ddc0a ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
> Xen is using the chip_data pointer for storing IRQ specific data. When
> running as a HVM domain this can result in problems for legacy IRQs, as
> those might use chip_data for their own purposes.
>
> Use a local array for this purpose in case of legacy IRQs, avoiding the
> double use.
>
> Cc: stable@vger.kernel.org
> Fixes: c330fb1ddc0a ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
> Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH] xen/events: don't use chip_data for legacy IRQs
2020-09-30 9:16 Juergen Gross
@ 2020-09-30 12:06 ` Stefan Bader
2020-09-30 13:51 ` boris.ostrovsky
1 sibling, 0 replies; 8+ messages in thread
From: Stefan Bader @ 2020-09-30 12:06 UTC (permalink / raw)
To: Juergen Gross, xen-devel, linux-kernel
Cc: Boris Ostrovsky, Stefano Stabellini, stable
[-- Attachment #1.1: Type: text/plain, Size: 3840 bytes --]
On 30.09.20 11:16, Juergen Gross wrote:
> Since commit c330fb1ddc0a ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
> Xen is using the chip_data pointer for storing IRQ specific data. When
> running as a HVM domain this can result in problems for legacy IRQs, as
> those might use chip_data for their own purposes.
>
> Use a local array for this purpose in case of legacy IRQs, avoiding the
> double use.
>
> Cc: stable@vger.kernel.org
> Fixes: c330fb1ddc0a ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
> Signed-off-by: Juergen Gross <jgross@suse.com>
Tested-by: Stefan Bader <stefan.bader@canonical.com>
> ---
> drivers/xen/events/events_base.c | 29 +++++++++++++++++++++--------
> 1 file changed, 21 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
> index 90b8f56fbadb..6f02c18fa65c 100644
> --- a/drivers/xen/events/events_base.c
> +++ b/drivers/xen/events/events_base.c
> @@ -92,6 +92,8 @@ static bool (*pirq_needs_eoi)(unsigned irq);
> /* Xen will never allocate port zero for any purpose. */
> #define VALID_EVTCHN(chn) ((chn) != 0)
>
> +static struct irq_info *legacy_info_ptrs[NR_IRQS_LEGACY];
> +
> static struct irq_chip xen_dynamic_chip;
> static struct irq_chip xen_percpu_chip;
> static struct irq_chip xen_pirq_chip;
> @@ -156,7 +158,18 @@ int get_evtchn_to_irq(evtchn_port_t evtchn)
> /* Get info for IRQ */
> struct irq_info *info_for_irq(unsigned irq)
> {
> - return irq_get_chip_data(irq);
> + if (irq < nr_legacy_irqs())
> + return legacy_info_ptrs[irq];
> + else
> + return irq_get_chip_data(irq);
> +}
> +
> +static void set_info_for_irq(unsigned int irq, struct irq_info *info)
> +{
> + if (irq < nr_legacy_irqs())
> + legacy_info_ptrs[irq] = info;
> + else
> + irq_set_chip_data(irq, info);
> }
>
> /* Constructors for packed IRQ information. */
> @@ -377,7 +390,7 @@ static void xen_irq_init(unsigned irq)
> info->type = IRQT_UNBOUND;
> info->refcnt = -1;
>
> - irq_set_chip_data(irq, info);
> + set_info_for_irq(irq, info);
>
> list_add_tail(&info->list, &xen_irq_list_head);
> }
> @@ -426,14 +439,14 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)
>
> static void xen_free_irq(unsigned irq)
> {
> - struct irq_info *info = irq_get_chip_data(irq);
> + struct irq_info *info = info_for_irq(irq);
>
> if (WARN_ON(!info))
> return;
>
> list_del(&info->list);
>
> - irq_set_chip_data(irq, NULL);
> + set_info_for_irq(irq, NULL);
>
> WARN_ON(info->refcnt > 0);
>
> @@ -603,7 +616,7 @@ EXPORT_SYMBOL_GPL(xen_irq_from_gsi);
> static void __unbind_from_irq(unsigned int irq)
> {
> evtchn_port_t evtchn = evtchn_from_irq(irq);
> - struct irq_info *info = irq_get_chip_data(irq);
> + struct irq_info *info = info_for_irq(irq);
>
> if (info->refcnt > 0) {
> info->refcnt--;
> @@ -1108,7 +1121,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,
>
> void unbind_from_irqhandler(unsigned int irq, void *dev_id)
> {
> - struct irq_info *info = irq_get_chip_data(irq);
> + struct irq_info *info = info_for_irq(irq);
>
> if (WARN_ON(!info))
> return;
> @@ -1142,7 +1155,7 @@ int evtchn_make_refcounted(evtchn_port_t evtchn)
> if (irq == -1)
> return -ENOENT;
>
> - info = irq_get_chip_data(irq);
> + info = info_for_irq(irq);
>
> if (!info)
> return -ENOENT;
> @@ -1170,7 +1183,7 @@ int evtchn_get(evtchn_port_t evtchn)
> if (irq == -1)
> goto done;
>
> - info = irq_get_chip_data(irq);
> + info = info_for_irq(irq);
>
> if (!info)
> goto done;
>
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH] xen/events: don't use chip_data for legacy IRQs
@ 2020-09-30 9:16 Juergen Gross
2020-09-30 12:06 ` Stefan Bader
2020-09-30 13:51 ` boris.ostrovsky
0 siblings, 2 replies; 8+ messages in thread
From: Juergen Gross @ 2020-09-30 9:16 UTC (permalink / raw)
To: xen-devel, linux-kernel
Cc: Juergen Gross, Boris Ostrovsky, Stefano Stabellini, stable
Since commit c330fb1ddc0a ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
Xen is using the chip_data pointer for storing IRQ specific data. When
running as a HVM domain this can result in problems for legacy IRQs, as
those might use chip_data for their own purposes.
Use a local array for this purpose in case of legacy IRQs, avoiding the
double use.
Cc: stable@vger.kernel.org
Fixes: c330fb1ddc0a ("XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.")
Signed-off-by: Juergen Gross <jgross@suse.com>
---
drivers/xen/events/events_base.c | 29 +++++++++++++++++++++--------
1 file changed, 21 insertions(+), 8 deletions(-)
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 90b8f56fbadb..6f02c18fa65c 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -92,6 +92,8 @@ static bool (*pirq_needs_eoi)(unsigned irq);
/* Xen will never allocate port zero for any purpose. */
#define VALID_EVTCHN(chn) ((chn) != 0)
+static struct irq_info *legacy_info_ptrs[NR_IRQS_LEGACY];
+
static struct irq_chip xen_dynamic_chip;
static struct irq_chip xen_percpu_chip;
static struct irq_chip xen_pirq_chip;
@@ -156,7 +158,18 @@ int get_evtchn_to_irq(evtchn_port_t evtchn)
/* Get info for IRQ */
struct irq_info *info_for_irq(unsigned irq)
{
- return irq_get_chip_data(irq);
+ if (irq < nr_legacy_irqs())
+ return legacy_info_ptrs[irq];
+ else
+ return irq_get_chip_data(irq);
+}
+
+static void set_info_for_irq(unsigned int irq, struct irq_info *info)
+{
+ if (irq < nr_legacy_irqs())
+ legacy_info_ptrs[irq] = info;
+ else
+ irq_set_chip_data(irq, info);
}
/* Constructors for packed IRQ information. */
@@ -377,7 +390,7 @@ static void xen_irq_init(unsigned irq)
info->type = IRQT_UNBOUND;
info->refcnt = -1;
- irq_set_chip_data(irq, info);
+ set_info_for_irq(irq, info);
list_add_tail(&info->list, &xen_irq_list_head);
}
@@ -426,14 +439,14 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)
static void xen_free_irq(unsigned irq)
{
- struct irq_info *info = irq_get_chip_data(irq);
+ struct irq_info *info = info_for_irq(irq);
if (WARN_ON(!info))
return;
list_del(&info->list);
- irq_set_chip_data(irq, NULL);
+ set_info_for_irq(irq, NULL);
WARN_ON(info->refcnt > 0);
@@ -603,7 +616,7 @@ EXPORT_SYMBOL_GPL(xen_irq_from_gsi);
static void __unbind_from_irq(unsigned int irq)
{
evtchn_port_t evtchn = evtchn_from_irq(irq);
- struct irq_info *info = irq_get_chip_data(irq);
+ struct irq_info *info = info_for_irq(irq);
if (info->refcnt > 0) {
info->refcnt--;
@@ -1108,7 +1121,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,
void unbind_from_irqhandler(unsigned int irq, void *dev_id)
{
- struct irq_info *info = irq_get_chip_data(irq);
+ struct irq_info *info = info_for_irq(irq);
if (WARN_ON(!info))
return;
@@ -1142,7 +1155,7 @@ int evtchn_make_refcounted(evtchn_port_t evtchn)
if (irq == -1)
return -ENOENT;
- info = irq_get_chip_data(irq);
+ info = info_for_irq(irq);
if (!info)
return -ENOENT;
@@ -1170,7 +1183,7 @@ int evtchn_get(evtchn_port_t evtchn)
if (irq == -1)
goto done;
- info = irq_get_chip_data(irq);
+ info = info_for_irq(irq);
if (!info)
goto done;
--
2.26.2
^ permalink raw reply related [flat|nested] 8+ messages in thread
end of thread, other threads:[~2020-10-16 8:05 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-10-05 6:19 [PATCH] xen/events: don't use chip_data for legacy IRQs Juergen Gross
2020-10-14 9:31 ` Jürgen Groß
2020-10-14 9:51 ` Greg KH
2020-10-14 10:44 ` Jürgen Groß
2020-10-16 8:06 ` Greg KH
-- strict thread matches above, loose matches on Subject: below --
2020-09-30 9:16 Juergen Gross
2020-09-30 12:06 ` Stefan Bader
2020-09-30 13:51 ` boris.ostrovsky
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