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Mon, 13 Jan 2025 07:14:53 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id vwHxA229hGd3KwAAD6G6ig (envelope-from ); Mon, 13 Jan 2025 07:14:53 +0000 Message-ID: Date: Mon, 13 Jan 2025 08:14:52 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 9/9] doc: update managed_irq documentation To: Daniel Wagner , Jens Axboe , Keith Busch , Christoph Hellwig , Sagi Grimberg , "Michael S. Tsirkin" Cc: "Martin K. Petersen" , Thomas Gleixner , Costa Shulyupin , Juri Lelli , Valentin Schneider , Waiman Long , Ming Lei , Frederic Weisbecker , Mel Gorman , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, megaraidlinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, storagedev@microchip.com, virtualization@lists.linux.dev, GR-QLogic-Storage-Upstream@marvell.com References: <20250110-isolcpus-io-queues-v5-0-0e4f118680b0@kernel.org> <20250110-isolcpus-io-queues-v5-9-0e4f118680b0@kernel.org> Content-Language: en-US From: Hannes Reinecke In-Reply-To: <20250110-isolcpus-io-queues-v5-9-0e4f118680b0@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Level: X-Spamd-Result: default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_TWELVE(0.00)[23]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLtwh1cu5tij3fa8finjukruks)]; RCVD_COUNT_TWO(0.00)[2]; FUZZY_BLOCKED(0.00)[rspamd.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email,suse.de:mid] X-Spam-Score: -4.30 X-Spam-Flag: NO On 1/10/25 17:26, Daniel Wagner wrote: > The managed_irq documentation is a bit difficult to understand. Rephrase > the current text and add the latest changes how managed_irq CPU sets are > handled. > > Isolated CPUs and housekeeping CPUs are grouped into sets and the > possibility of stalls if all housekeeping CPUs are offlined in a set. > > Signed-off-by: Daniel Wagner > --- > Documentation/admin-guide/kernel-parameters.txt | 46 +++++++++++++------------ > 1 file changed, 24 insertions(+), 22 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich