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SubjectRe: [PATCH 00/10] Removing SEND_SIG_FORCED
On Mon, 3 Sep 2018, Eric W. Biederman wrote:

> SEND_SIG_FORCED has two functions. It forces a pid namespace init to
> receive a signal it would ordinarily ignore, and it causes a siginfo to
> not be allocated for a signal.
> This patchset makes __send_signal a little bit smarter so that it can
> detect when to apply these optimizations and the senders of signals
> don't have to worry about them.
> The coupling of forcing a signal to the pid namespace init and not
> allocating siginfo resulted in serveral minor bugs where a signal
> sent by the kernel was marked SI_USER suggesting another userspace
> process sent that signal. I have cc'd linux-api in case anyone cares
> about these minor userspace visible differences.
> Unless someone notices a bug I intend to merge these changes through my
> tree during the next merge window. While there are numerous fixes here
> none of them appear to be the kind that fixes real world problems so I
> don't see any urgency here.
> Please look read and send my your review. I will be out for about a
> week so I will address any comments when I get back.

Went through it carefuly and could not spot anything. Great work!

Reviewed-by: Thomas Gleixner <>

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