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[PATCH] docs: correct x86 MCE command line option info


  • To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Mon, 28 Feb 2022 11:20:00 +0100
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Delivery-date: Mon, 28 Feb 2022 10:20:10 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Not even the types were correct, let alone defaults being spelled out or
the purpose of the options actually mentioned in any way.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/docs/misc/xen-command-line.pandoc
+++ b/docs/misc/xen-command-line.pandoc
@@ -1681,10 +1681,21 @@ one pending bit to be allocated.
 Defaults to 20 bits (to cover at most 1048576 interrupts).
 
 ### mce (x86)
-> `= <integer>`
+> `= <boolean>`
+
+> Default: `true`
+
+Allows to disable the use of Machine Check Exceptions.  Note that this
+may result in silent shutdown of the system in case an event occurs
+which would have resulted in raising a Machine Check Exception.
 
 ### mce_fb (Intel)
-> `= <integer>`
+> `= <boolean>`
+
+> Default: `false`
+
+Force broadcasting of Machine Check Exceptions, suppressing the use of
+Local MCE functionality available in newer Intel hardware.
 
 ### mce_verbosity (x86)
 > `= verbose`




 


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