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Message-ID: <ZyENWTJcgf0j8J4N@localhost.localdomain>
Date: Tue, 29 Oct 2024 17:29:13 +0100
From: Frederic Weisbecker <frederic@...nel.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>,
Anna-Maria Behnsen <anna-maria@...utronix.de>,
John Stultz <jstultz@...gle.com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
Eric Biederman <ebiederm@...ssion.com>,
Oleg Nesterov <oleg@...hat.com>
Subject: Re: [patch V5 17/26] posix-timers: Embed sigqueue in struct k_itimer
Le Tue, Oct 01, 2024 at 10:42:23AM +0200, Thomas Gleixner a écrit :
> From: Thomas Gleixner <tglx@...utronix.de>
>
> To cure the SIG_IGN handling for posix interval timers, the preallocated
> sigqueue needs to be embedded into struct k_itimer to prevent life time
> races of all sorts.
>
> Now that the prerequisites are in place, embed the sigqueue into struct
> k_itimer and fixup the relevant usage sites.
>
> Aside of preparing for proper SIG_IGN handling, this spares an extra
> allocation.
>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Frederic Weisbecker <frederic@...nel.org>
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