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Tue, 04 Mar 2025 09:56:15 -0800 (PST) Received: from grain.localdomain ([5.18.255.97]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5495b6805ccsm1005413e87.182.2025.03.04.09.56.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Mar 2025 09:56:15 -0800 (PST) Received: by grain.localdomain (Postfix, from userid 1000) id C72AE5A0136; Tue, 04 Mar 2025 20:56:14 +0300 (MSK) Date: Tue, 4 Mar 2025 20:56:14 +0300 From: Cyrill Gorcunov To: Thomas Gleixner Cc: LKML , Anna-Maria Behnsen , Frederic Weisbecker , Benjamin Segall , Eric Dumazet , Andrey Vagin , Pavel Tikhomirov , Peter Zijlstra Subject: Re: [patch V2 10/17] posix-timers: Make signal_struct::next_posix_timer_id an atomic_t Message-ID: References: <20250302185753.311903554@linutronix.de> <20250302193627.543399558@linutronix.de> <87sentbyer.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87sentbyer.ffs@tglx> User-Agent: Mutt/2.2.13 (2024-03-09) On Mon, Mar 03, 2025 at 10:24:28PM +0100, Thomas Gleixner wrote: > > Welcome. Some quick validation with CRIU would be appreciated. Just tested in criu: works without problem, both modes -- with new prctl and without it. Note that I only have ran separate posix-timers test case, probably virtuozzo team might do more deep tesing. --- root@fc:/home/cyrill/criu# test/zdtm.py run -t zdtm/static/posix_timers userns is supported The kernel is tainted: '512' === Run 1/1 ================ zdtm/static/posix_timers ====================== Run zdtm/static/posix_timers in h ======================= Start test ./posix_timers --pidfile=posix_timers.pid --outfile=posix_timers.out Run criu dump Run criu restore Send the 15 signal to 56 Wait for zdtm/static/posix_timers(56) to die for 0.100000 Removing dump/zdtm/static/posix_timers/56 ====================== Test zdtm/static/posix_timers PASS ======================