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From: Libo Chen <libo.chen@oracle.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "peterz@infradead.org" <peterz@infradead.org>,
	"mgorman@suse.de" <mgorman@suse.de>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"juri.lelli@redhat.com" <juri.lelli@redhat.com>,
	"vincent.guittot@linaro.org" <vincent.guittot@linaro.org>,
	"tj@kernel.org" <tj@kernel.org>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"llong@redhat.com" <llong@redhat.com>,
	"kprateek.nayak@amd.com" <kprateek.nayak@amd.com>,
	"raghavendra.kt@amd.com" <raghavendra.kt@amd.com>,
	"yu.c.chen@intel.com" <yu.c.chen@intel.com>,
	"tim.c.chen@intel.com" <tim.c.chen@intel.com>,
	"vineethr@linux.ibm.com" <vineethr@linux.ibm.com>,
	Chris Hyser <chris.hyser@oracle.com>,
	Daniel Jordan <daniel.m.jordan@oracle.com>,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
	"mkoutny@suse.com" <mkoutny@suse.com>,
	Dhaval Giani <Dhaval.Giani@amd.com>,
	"cgroups@vger.kernel.org" <cgroups@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 2/2] sched/numa: Add tracepoint that tracks the skipping of numa balancing due to cpuset memory pinning
Date: Wed, 23 Apr 2025 16:50:15 +0000	[thread overview]
Message-ID: <720D1AD7-112F-462F-9ECF-A060670D62D4@oracle.com> (raw)
In-Reply-To: <20250423121219.15d5c2ec@gandalf.local.home>



> On Apr 23, 2025, at 9:12 AM, Steven Rostedt <rostedt@goodmis.org> wrote:
> 
> On Wed, 23 Apr 2025 16:05:44 +0000
> Libo Chen <libo.chen@oracle.com> wrote:
> 
>> Also wondering if we can fail the build in this scenario so it will be easier to
>> catch this bug at the build time.
> 
> return -EPONYS ;-)
> 
> I wish. It's hard enough to catch this at runtime.
> 

Correct me if I'm wrong but can you disallow any passed-in pointers to be
dereferenced when TP_printk() is executed? This is something you can check
at the build time, right?

Libo

> -- Steve


  reply	other threads:[~2025-04-23 16:51 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-17 19:15 [PATCH v3 0/2] sched/numa: Skip VMA scanning on memory pinned Libo Chen
2025-04-17 19:15 ` [PATCH v3 1/2] sched/numa: Skip VMA scanning on memory pinned to one NUMA node via cpuset.mems Libo Chen
2025-04-19 11:16   ` Chen, Yu C
2025-04-22 22:20     ` Libo Chen
2025-04-22 23:27       ` Chen, Yu C
2025-04-17 19:15 ` [PATCH v3 2/2] sched/numa: Add tracepoint that tracks the skipping of numa balancing due to cpuset memory pinning Libo Chen
2025-04-23 15:34   ` Steven Rostedt
2025-04-23 16:05     ` Libo Chen
2025-04-23 16:12       ` Steven Rostedt
2025-04-23 16:50         ` Libo Chen [this message]
2025-04-23 16:56           ` Steven Rostedt
2025-04-23 16:57             ` Steven Rostedt
2025-04-23 18:22             ` Libo Chen
2025-04-17 20:12 ` [PATCH v3 0/2] sched/numa: Skip VMA scanning on memory pinned Andrew Morton
2025-04-17 21:07   ` Libo Chen

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