diff mbox series

[bpf-next,v2] bpf: update bpf_get_smp_processor_id() documentation

Message ID 20210914235400.59427-1-mcroce@linux.microsoft.com (mailing list archive)
State Accepted
Delegated to: BPF
Headers show
Series [bpf-next,v2] bpf: update bpf_get_smp_processor_id() documentation | expand

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bpf/vmtest-bpf-PR success PR summary
bpf/vmtest-bpf-next-PR success PR summary
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Commit Message

Matteo Croce Sept. 14, 2021, 11:54 p.m. UTC 
From: Matteo Croce <mcroce@microsoft.com>

BPF programs run with migration disabled regardless of preemption, as
they are protected by migrate_disable().
Update the documentation accordingly.

Signed-off-by: Matteo Croce <mcroce@microsoft.com>
---
 include/uapi/linux/bpf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Yonghong Song Sept. 15, 2021, 12:07 a.m. UTC | #1 
On 9/14/21 4:54 PM, Matteo Croce wrote:
> From: Matteo Croce <mcroce@microsoft.com>
> 
> BPF programs run with migration disabled regardless of preemption, as
> they are protected by migrate_disable().
> Update the documentation accordingly.
> 
> Signed-off-by: Matteo Croce <mcroce@microsoft.com>

Acked-by: Yonghong Song <yhs@fb.com>
Daniel Borkmann Sept. 15, 2021, 8:43 p.m. UTC | #2 
On 9/15/21 2:07 AM, Yonghong Song wrote:
> On 9/14/21 4:54 PM, Matteo Croce wrote:
>> From: Matteo Croce <mcroce@microsoft.com>
>>
>> BPF programs run with migration disabled regardless of preemption, as
>> they are protected by migrate_disable().
>> Update the documentation accordingly.
>>
>> Signed-off-by: Matteo Croce <mcroce@microsoft.com>
> 
> Acked-by: Yonghong Song <yhs@fb.com>

Applied, thanks & also copied this over to the tools/include/uapi/linux/bpf.h .
diff mbox series

Patch

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index d21326558d42..3e9785f1064a 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -1629,7 +1629,7 @@  union bpf_attr {
  * u32 bpf_get_smp_processor_id(void)
  * 	Description
  * 		Get the SMP (symmetric multiprocessing) processor id. Note that
- * 		all programs run with preemption disabled, which means that the
+ * 		all programs run with migration disabled, which means that the
  * 		SMP processor id is stable during all the execution of the
  * 		program.
  * 	Return