[tip:x86/apic] x86, apic: Explain show_lapic= in kernel parameters list

[tip-bot for Cyrill Gorcunov]

Commit-ID:  9636bc0555e3f383c120ddcffe4b7c5c58a10b1a
Gitweb:     http://git.kernel.org/tip/9636bc0555e3f383c120ddcffe4b7c5c58a10b1a
Author:     Cyrill Gorcunov <gorcunov@xxxxxxxxx>
AuthorDate: Wed, 14 Oct 2009 19:09:04 +0400
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Wed, 14 Oct 2009 17:28:05 +0200

x86, apic: Explain show_lapic= in kernel parameters list

Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Cc: yinghai@xxxxxxxxxx
Cc: macro@xxxxxxxxxxxxxx
LKML-Reference: <20091014150904.GA5259@lenovo>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 Documentation/kernel-parameters.txt |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 9107b38..465a786 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -345,6 +345,15 @@ and is between 256 and 4096 characters. It is defined in the file
 			Change the amount of debugging information output
 			when initialising the APIC and IO-APIC components.
 
+	show_lapic=	[APIC,X86] Advanced Programmable Interrupt Controller
+			Limit apic dumping. The parameter defines the maximal
+			number of local apics being dumped. Also it is possible
+			to set it to "all" by meaning -- no limit here.
+			Format: { 1 (default) | 2 | ... | all }.
+			The parameter valid if only apic=debug or
+			apic=verbose is specified.
+			Example: apic=debug show_lapic=all
+
 	apm=		[APM] Advanced Power Management
 			See header of arch/x86/kernel/apm_32.c.
 
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