From 64e05d118e357bb52a084b609436acf292ce7944 Mon Sep 17 00:00:00 2001 From: Dou Liyang Date: Mon, 4 Dec 2017 12:03:13 +0800 Subject: [PATCH] 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 Signed-off-by: Thomas Gleixner 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 --- Documentation/admin-guide/kernel-parameters.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) 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 }