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authorDou Liyang <douly.fnst@cn.fujitsu.com>2017-12-04 05:03:13 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-12-28 12:32:07 +0100
commit64e05d118e357bb52a084b609436acf292ce7944 (patch)
tree2b27844e4bab58fc879da2dc4405801ad49931e4
parentx86/apic: Avoid wrong warning when parsing 'apic=' in X86-32 case (diff)
downloadlinux-64e05d118e357bb52a084b609436acf292ce7944.tar.xz
linux-64e05d118e357bb52a084b609436acf292ce7944.zip
x86/apic: Update the 'apic=' description of setting APIC driver
There are two consumers of apic=: the APIC debug level and the low level generic architecture code, but Linux just documented the first one. Append the second description. Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: peterz@infradead.org Cc: rdunlap@infradead.org Cc: corbet@lwn.net Link: https://lkml.kernel.org/r/20171204040313.24824-2-douly.fnst@cn.fujitsu.com
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt6
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index b74e13312fdc..852fb11dd2c9 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -328,11 +328,15 @@
not play well with APC CPU idle - disable it if you have
APC and your system crashes randomly.
- apic= [APIC,X86-32] Advanced Programmable Interrupt Controller
+ apic= [APIC,X86] Advanced Programmable Interrupt Controller
Change the output verbosity whilst booting
Format: { quiet (default) | verbose | debug }
Change the amount of debugging information output
when initialising the APIC and IO-APIC components.
+ For X86-32, this can also be used to specify an APIC
+ driver name.
+ Format: apic=driver_name
+ Examples: apic=bigsmp
apic_extnmi= [APIC,X86] External NMI delivery setting
Format: { bsp (default) | all | none }