lkml.org 
[lkml]   [2020]   [Nov]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH bpf-next v4 5/9] bpf: Implement get_current_task_btf and RET_PTR_TO_BTF_ID
On Thu, Nov 05, 2020 at 03:47:51PM +0100, KP Singh wrote:
> From: KP Singh <kpsingh@google.com>
>
> The currently available bpf_get_current_task returns an unsigned integer
> which can be used along with BPF_CORE_READ to read data from
> the task_struct but still cannot be used as an input argument to a
> helper that accepts an ARG_PTR_TO_BTF_ID of type task_struct.
>
> In order to implement this helper a new return type, RET_PTR_TO_BTF_ID,
> is added. This is similar to RET_PTR_TO_BTF_ID_OR_NULL but does not
> require checking the nullness of returned pointer.
>
> Acked-by: Song Liu <songliubraving@fb.com>
> Signed-off-by: KP Singh <kpsingh@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>

\
 
 \ /
  Last update: 2020-11-05 22:25    [W:0.137 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site