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Biederman" , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v2] posix-cpu-timers: Dequeue per-thread timers before exchange_tids() Message-ID: References: <875x0qclcx.ffs@fw13> MIME-Version: 1.0 In-Reply-To: <875x0qclcx.ffs@fw13> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Mimecast-MFC-PROC-ID: O1jB9Z9i2w89dPttPZ_GogUY_HCzw8mB6Zm6DzwMAVU_1788200660 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 1650118000E X-Stat-Signature: o4shkz8t13ska488xxe1wz19pbewq4yz X-Rspam-User: X-HE-Tag: 1788200668-757552 X-HE-Meta: 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 RI+nKyOz GJyvAFaBwcu4p+H2uN65gpqGg9CwxD1xufRpPgw7y6Uj/Jtx6YBAiPS80KXZ4/AC917k2mkCUpRZyTzQKgGuWyePqScOoEeL4xpRZgfAbTP7I+MDzy6pG0lBLsUf8LyuRLZ9sggmDrf+PQUk+LepOqP2V9cjjOg0G54vYFohbNYwPZTF2fkl7LxKIg5yizRpNbB8B0HZ3zYOKeoG4MjQ0uCs1ubm/3q+hg3ugqljxVEM8Lf/dRkU6fc6zq6SM+NpQc4WDbqLs4fIMp3oTA27MvNH1bn+WBDr0EicJVKu5ivpgHdooN9nYKl7Rr52+Y34okEgzZnaEQr5QKdHDZ9BihyrUffrpxgc1bW99FDSfWUrd3UeIXBZ/fHwGqRxSWN2IRWABiV7Lmzymg+xH3QlZ0q4rlA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 08/31, Thomas Gleixner wrote: > > On Wed, Aug 26 2026 at 14:55, Oleg Nesterov wrote: > > Can we move posix_cpu_timers_exit() or the whole CONFIG_POSIX_TIMERS > > sequence in begin_new_exec() up, right after de_thread() before the > > "if (retval)" check? > > Yes, but that does not buy us anything. Hmm. I don't understand but this doesn't matter. I didn't mean this makes sense, I just tried to understand the Hyunwoo's fix, in particular the placement of additional posix_cpu_timers_exit(). Oleg.