From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Wiesner Subject: Re: [RFC PATCH 1/4] ipvs: add rcu protection to stats Date: Mon, 5 Sep 2022 12:43:37 +0200 Message-ID: <20220905104337.GC18621@incl> References: <20220827174154.220651-1-ja@ssi.bg> <20220827174154.220651-2-ja@ssi.bg> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1662374617; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=8dALBtuhRkZMjNvySioaM5hFMcYX/TMNiMJYQMT81is=; b=Sb9wUDSXrSkhcAiIr5kb9EOsGOXPJfPSs5xs7nJQ7xQGf5jLKzq9vgHsYG8vTKnkSui76p Y2aHrt2sxTfTy0B9aWkXKa8RSeInI1EOdAT3wPYKnzudAwBY2Qvx+9/j+PWpLPXJjTmFHL Tx5F5Z1LX5U0wPZ/gJsBR1VmA8UJ/wM= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1662374617; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=8dALBtuhRkZMjNvySioaM5hFMcYX/TMNiMJYQMT81is=; b=+Uj0yXXpVd4mfaikRDnIt5BSgHJAY4ZK8ru/fw9O/SVQSzaHma4iLJvemUPEbOfTwbot/o NCxnJ0jqZG2ECJBg== Content-Disposition: inline In-Reply-To: <20220827174154.220651-2-ja@ssi.bg> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Julian Anastasov Cc: Simon Horman , lvs-devel@vger.kernel.org, yunhong-cgl jiang , yunhjiang@ebay.com, dust.li@linux.alibaba.com, tangyang@zhihu.com On Sat, Aug 27, 2022 at 08:41:51PM +0300, Julian Anastasov wrote: > In preparation to using RCU locking for the list > with estimators, make sure the struct ip_vs_stats > are released after RCU grace period by using RCU > callbacks. This affects ipvs->tot_stats where we > can not use RCU callbacks for ipvs, so we use > allocated struct ip_vs_stats_rcu. For services > and dests we force RCU callbacks for all cases. > > Signed-off-by: Julian Anastasov Reviewed-by: Jiri Wiesner -- Jiri Wiesner SUSE Labs