On 03.09.2019 16:31, Juergen Gross wrote:
> On 03.09.19 16:11, Jan Beulich wrote:
>> On 29.08.2019 12:18, Juergen Gross wrote:
>>> --- a/xen/include/xen/spinlock.h
>>> +++ b/xen/include/xen/spinlock.h
>>> @@ -6,14 +6,21 @@
>>> #include
>>>
>>> #ifndef NDEBUG
>>> -struct lock_debug {
>>> -
On 03.09.19 16:11, Jan Beulich wrote:
On 29.08.2019 12:18, Juergen Gross wrote:
--- a/xen/include/xen/spinlock.h
+++ b/xen/include/xen/spinlock.h
@@ -6,14 +6,21 @@
#include
#ifndef NDEBUG
-struct lock_debug {
-s16 irq_safe; /* +1: IRQ-safe; 0: not IRQ-safe; -1: don't know yet */
On 29.08.2019 12:18, Juergen Gross wrote:
> --- a/xen/include/xen/spinlock.h
> +++ b/xen/include/xen/spinlock.h
> @@ -6,14 +6,21 @@
> #include
>
> #ifndef NDEBUG
> -struct lock_debug {
> -s16 irq_safe; /* +1: IRQ-safe; 0: not IRQ-safe; -1: don't know yet */
> +union lock_debug {
> +
Add the cpu currently holding the lock to struct lock_debug. This makes
analysis of locking errors easier and it can be tested whether the
correct cpu is releasing a lock again.
Signed-off-by: Juergen Gross
---
V2: adjust types (Jan Beulich)
---
xen/common/spinlock.c | 33
