lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-Id: <1513260893-26616-4-git-send-email-frederic@kernel.org> Date: Thu, 14 Dec 2017 15:14:53 +0100 From: Frederic Weisbecker <frederic@...nel.org> To: Ingo Molnar <mingo@...nel.org> Cc: LKML <linux-kernel@...r.kernel.org>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Peter Zijlstra <peterz@...radead.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Chris Metcalf <cmetcalf@...lanox.com>, John Stultz <john.stultz@...aro.org>, Frederic Weisbecker <frederic@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Luiz Capitulino <lcapitulino@...hat.com>, Christoph Lameter <cl@...ux.com>, Wanpeng Li <kernellwp@...il.com>, Mike Galbraith <efault@....de>, Rik van Riel <riel@...hat.com>, kernel test robot <xiaolong.ye@...el.com> Subject: [PATCH 3/3] sched/isolation: Document boot parameters dependency on CONFIG_CPU_ISOLATION From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> The "isolcpus=" and "nohz_full=" boot parameters depend on CPU Isolation support. Let's document that. Signed-off-by: Frederic Weisbecker <frederic@...nel.org> Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> Cc: Thomas Gleixner <tglx@...utronix.de> Cc: Chris Metcalf <cmetcalf@...lanox.com> Cc: Christoph Lameter <cl@...ux.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Luiz Capitulino <lcapitulino@...hat.com> Cc: Mike Galbraith <efault@....de> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Rik van Riel <riel@...hat.com> Cc: Wanpeng Li <kernellwp@...il.com> Cc: Ingo Molnar <mingo@...nel.org> Cc: John Stultz <john.stultz@...aro.org> --- Documentation/admin-guide/kernel-parameters.rst | 1 + Documentation/admin-guide/kernel-parameters.txt | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.rst b/Documentation/admin-guide/kernel-parameters.rst index b2598cc..7242cbd 100644 --- a/Documentation/admin-guide/kernel-parameters.rst +++ b/Documentation/admin-guide/kernel-parameters.rst @@ -109,6 +109,7 @@ parameter is applicable:: IPV6 IPv6 support is enabled. ISAPNP ISA PnP code is enabled. ISDN Appropriate ISDN support is enabled. + ISOL CPU Isolation is enabled. JOY Appropriate joystick support is enabled. KGDB Kernel debugger support is enabled. KVM Kernel Virtual Machine support is enabled. diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 6571fbf..1683107 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1737,7 +1737,7 @@ isapnp= [ISAPNP] Format: <RDP>,<reset>,<pci_scan>,<verbosity> - isolcpus= [KNL,SMP] Isolate a given set of CPUs from disturbance. + isolcpus= [KNL,SMP,ISOL] Isolate a given set of CPUs from disturbance. [Deprecated - use cpusets instead] Format: [flag-list,]<cpu-list> @@ -2662,7 +2662,7 @@ Valid arguments: on, off Default: on - nohz_full= [KNL,BOOT] + nohz_full= [KNL,BOOT,SMP,ISOL] The argument is a cpu list, as described above. In kernels built with CONFIG_NO_HZ_FULL=y, set the specified list of CPUs whose tick will be stopped -- 2.7.4
Powered by blists - more mailing lists