Re: [PATCH v7 1/6] pidfd: add PIDFD_SELF* sentinels to refer to own thread/process

[Michal Koutný]

On Thu, Jan 30, 2025 at 08:40:26PM +0000, Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx> wrote:
> 
> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
> ---
>  include/uapi/linux/pidfd.h |  24 +++++++++
>  kernel/pid.c               |  24 +++++++--
>  kernel/signal.c            | 106 ++++++++++++++++++++++---------------
>  3 files changed, 107 insertions(+), 47 deletions(-)

Practical idea, thanks.

> diff --git a/include/uapi/linux/pidfd.h b/include/uapi/linux/pidfd.h
> + * To cut the Gideon knot, for internal kernel usage, we refer to

A nit
https://en.wikipedia.org/wiki/Gordian_Knot

(if still applicable)

Michal

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