On 29.09.2020 17:44, Paul Durrant wrote:
>> From: Xen-devel On Behalf Of Jan
>> Beulich
>> Sent: 28 September 2020 11:57
>>
>> @@ -81,7 +82,7 @@ static uint8_t get_xen_consumer(xen_even
>> for ( i = 0; i < ARRAY_SIZE(xen_consumers); i++ )
>> {
>> if ( xen_consumers[i] == NULL )
> -Original Message-
> From: Xen-devel On Behalf Of Jan
> Beulich
> Sent: 28 September 2020 11:57
> To: xen-devel@lists.xenproject.org
> Cc: Andrew Cooper ; George Dunlap
> ; Ian
> Jackson ; Julien Grall ; Wei Liu
> ; Stefano Stabellini
>
> Subject: [P
Hi Jan,
On 28/09/2020 11:56, Jan Beulich wrote:
There's no global lock around the updating of this global piece of data.
Make use of cmpxchg() to avoid two entities racing with their updates.
Signed-off-by: Jan Beulich
---
TBD: Initially I used cmpxchgptr() here, until realizing Arm doesn't
There's no global lock around the updating of this global piece of data.
Make use of cmpxchg() to avoid two entities racing with their updates.
Signed-off-by: Jan Beulich
---
TBD: Initially I used cmpxchgptr() here, until realizing Arm doesn't
have it. It's slightly more type-safe than cmpxc
