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McKenney" , Ingo Molnar , Anna-Maria Behnsen , Alex Shi , Vincent Guittot , Barry Song Subject: Re: Re: [PATCH 1/2] cgroup/cpuset: Make cpuset hotplug processing synchronous Message-ID: References: <20240401145858.2656598-1-longman@redhat.com> <20240401145858.2656598-2-longman@redhat.com> <548efd52-e45f-41fa-a477-bc5112d7b00c@redhat.com> <7e62b37d-6c9c-4e55-a01a-175695475cb5@redhat.com> <620d1b70-cfbc-4b76-ad04-b3be559afd56@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="s5g4gqxizdmthray" Content-Disposition: inline In-Reply-To: <620d1b70-cfbc-4b76-ad04-b3be559afd56@redhat.com> X-Spamd-Result: default: False [-4.89 / 50.00]; BAYES_HAM(-2.99)[99.97%]; SIGNED_PGP(-2.00)[]; MID_RHS_NOT_FQDN(0.50)[]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; NEURAL_HAM_SHORT(-0.20)[-0.985]; FUZZY_BLOCKED(0.00)[rspamd.com]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; ARC_NA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[22]; MIME_TRACE(0.00)[0:+,1:+,2:~]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_TLS_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; MISSING_XM_UA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap2.dmz-prg2.suse.org:rdns,imap2.dmz-prg2.suse.org:helo] X-Spam-Score: -4.89 X-Spam-Level: X-Spam-Flag: NO --s5g4gqxizdmthray Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Apr 03, 2024 at 10:47:33AM -0400, Waiman Long wrote: > should be rare these days as it will only apply in the case of cgroup > v1 under certain condtion, Could the migration be simply omitted it those special cases? (Tasks remain in cpusets with empty cpusets -- that already happens in with the current patch before workqueue is dispatched.) Michal --s5g4gqxizdmthray Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQpEWyjXuwGT2dDBqAGvrMr/1gcjgUCZg1uMgAKCRAGvrMr/1gc juxsAP9LdPIENmgJ+lo1a52HXy+sDng3vYcaC8VapHG5CyOA7AEAlOwpne+LzkiO IIyeIE+x8ZyV9QlL/DM6cnabIMR+IgI= =d6JV -----END PGP SIGNATURE----- --s5g4gqxizdmthray--