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Message-Id: <1338833876-29721-2-git-send-email-fenghua.yu@intel.com> Date: Mon, 4 Jun 2012 11:17:50 -0700 From: "Fenghua Yu" <fenghua.yu@...el.com> To: "Ingo Molnar" <mingo@...e.hu>, "Thomas Gleixner" <tglx@...utronix.de>, "H Peter Anvin" <hpa@...or.com>, "Suresh B Siddha" <suresh.b.siddha@...el.com>, "Tony Luck" <tony.luck@...el.com>, "Asit K Mallick" <asit.k.mallick@...el.com>, "Arjan Dan De Ven" <arjan@...ux.intel.com> Cc: "linux-kernel" <linux-kernel@...r.kernel.org>, "x86" <x86@...nel.org>, "linux-pm" <linux-pm@...r.kernel.org>, "Fenghua Yu" <fenghua.yu@...el.com> Subject: [PATCH 1/6] x86/Documentation/kernel-parameters.txt: Add wakeup_cpu_via_init kernel parameter help From: Fenghua Yu <fenghua.yu@...el.com> The new kernel parameter wakeup_cpu_via_init overrides mwait or nmi method and forces to wake up offline CPU via INIT, INIT, STARTUP sequence. This is useful in RAS when a temporary CPU error could be fixed by INIT. Signed-off-by: Fenghua Yu <fenghua.yu@...el.com> --- Documentation/kernel-parameters.txt | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 2b17e82..8efae55 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -3099,6 +3099,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Format: <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]] + wakeup_cpu_via_init [X86] + Wake up offline CPU via INIT, INIT, STARTUP sequence. + ______________________________________________________________________ TODO: -- 1.6.0.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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