From: Andi Kleen <ak@linux.intel.com>
To: Waiman Long <llong@redhat.com>
Cc: Alex Kogan <alex.kogan@oracle.com>,
linux@armlinux.org.uk, Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
will.deacon@arm.com, arnd@arndb.de, linux-arch@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, tglx@linutronix.de, bp@alien8.de,
hpa@zytor.com, x86@kernel.org, guohanjun@huawei.com,
jglauber@marvell.com, steven.sistare@oracle.com,
daniel.m.jordan@oracle.com, dave.dice@oracle.com
Subject: Re: [External] : Re: [PATCH v14 4/6] locking/qspinlock: Introduce starvation avoidance into CNA
Date: Wed, 14 Apr 2021 10:26:02 -0700 [thread overview]
Message-ID: <20210414172602.GW3762101@tassilo.jf.intel.com> (raw)
In-Reply-To: <4a9dbfa7-db68-a2dc-9018-a5b74f0f421c@redhat.com>
> The CNA code, if enabled, will be in vmlinux, not in a kernel module. As a
> result, I think a module parameter will be no different from a kernel
> command line parameter in this regard.
You can still change it in /sys at runtime, even if it's in the vmlinux.
-Andi
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <ak@linux.intel.com>
To: Waiman Long <llong@redhat.com>
Cc: Alex Kogan <alex.kogan@oracle.com>,
linux@armlinux.org.uk, Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
will.deacon@arm.com, arnd@arndb.de, linux-arch@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, tglx@linutronix.de, bp@alien8.de,
hpa@zytor.com, x86@kernel.org, guohanjun@huawei.com,
jglauber@marvell.com, steven.sistare@oracle.com,
daniel.m.jordan@oracle.com, dave.dice@oracle.com
Subject: Re: [External] : Re: [PATCH v14 4/6] locking/qspinlock: Introduce starvation avoidance into CNA
Date: Wed, 14 Apr 2021 10:26:02 -0700 [thread overview]
Message-ID: <20210414172602.GW3762101@tassilo.jf.intel.com> (raw)
In-Reply-To: <4a9dbfa7-db68-a2dc-9018-a5b74f0f421c@redhat.com>
> The CNA code, if enabled, will be in vmlinux, not in a kernel module. As a
> result, I think a module parameter will be no different from a kernel
> command line parameter in this regard.
You can still change it in /sys at runtime, even if it's in the vmlinux.
-Andi
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-04-14 17:26 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-01 15:31 [PATCH v14 0/6] Add NUMA-awareness to qspinlock Alex Kogan
2021-04-01 15:31 ` Alex Kogan
2021-04-01 15:31 ` [PATCH v14 1/6] locking/qspinlock: Rename mcs lock/unlock macros and make them more generic Alex Kogan
2021-04-01 15:31 ` Alex Kogan
2021-04-01 15:31 ` [PATCH v14 2/6] locking/qspinlock: Refactor the qspinlock slow path Alex Kogan
2021-04-01 15:31 ` Alex Kogan
2021-04-01 15:31 ` [PATCH v14 3/6] locking/qspinlock: Introduce CNA into the slow path of qspinlock Alex Kogan
2021-04-01 15:31 ` Alex Kogan
2021-04-13 11:30 ` Peter Zijlstra
2021-04-13 11:30 ` Peter Zijlstra
2021-04-14 2:29 ` [External] : " Alex Kogan
2021-04-14 2:29 ` Alex Kogan
2021-04-01 15:31 ` [PATCH v14 4/6] locking/qspinlock: Introduce starvation avoidance into CNA Alex Kogan
2021-04-01 15:31 ` Alex Kogan
2021-04-13 6:03 ` Andi Kleen
2021-04-13 6:03 ` Andi Kleen
2021-04-13 6:12 ` Andi Kleen
2021-04-13 6:12 ` Andi Kleen
2021-04-13 21:01 ` [External] : " Alex Kogan
2021-04-13 21:01 ` Alex Kogan
2021-04-13 21:22 ` Andi Kleen
2021-04-13 21:22 ` Andi Kleen
2021-04-14 2:30 ` Alex Kogan
2021-04-14 2:30 ` Alex Kogan
2021-04-14 16:41 ` Waiman Long
2021-04-14 16:41 ` Waiman Long
2021-04-14 17:26 ` Andi Kleen [this message]
2021-04-14 17:26 ` Andi Kleen
2021-04-14 17:31 ` Waiman Long
2021-04-14 17:31 ` Waiman Long
2021-04-13 12:03 ` Peter Zijlstra
2021-04-13 12:03 ` Peter Zijlstra
2021-04-16 2:52 ` [External] : " Alex Kogan
2021-04-16 2:52 ` Alex Kogan
2021-04-01 15:31 ` [PATCH v14 5/6] locking/qspinlock: Avoid moving certain threads between waiting queues in CNA Alex Kogan
2021-04-01 15:31 ` Alex Kogan
2021-04-01 15:31 ` [PATCH v14 6/6] locking/qspinlock: Introduce the shuffle reduction optimization into CNA Alex Kogan
2021-04-01 15:31 ` Alex Kogan
2021-04-14 7:47 ` Andreas Herrmann
2021-04-14 7:47 ` Andreas Herrmann
2021-04-14 18:18 ` [External] : " Alex Kogan
2021-04-14 18:18 ` Alex Kogan
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