X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=Documentation%2Fx86_64%2Fmachinecheck;h=feaeaf6f6e4dd45dc03028886764d35477d2b3b9;hb=c6799ade4ae04b53a5f677e5289116155ff01574;hp=068a6d9904b99a60a5c554bc5c1cfe2f2e0bcd7a;hpb=4935361766cc73949fe032cd157d314f288922ba;p=powerpc.git

diff --git a/Documentation/x86_64/machinecheck b/Documentation/x86_64/machinecheck
index 068a6d9904..feaeaf6f6e 100644
--- a/Documentation/x86_64/machinecheck
+++ b/Documentation/x86_64/machinecheck
@@ -36,7 +36,12 @@ between all CPUs.
 
 check_interval
 	How often to poll for corrected machine check errors, in seconds
-	(Note output is hexademical). Default 5 minutes.
+	(Note output is hexademical). Default 5 minutes.  When the poller
+	finds MCEs it triggers an exponential speedup (poll more often) on
+	the polling interval.  When the poller stops finding MCEs, it
+	triggers an exponential backoff (poll less often) on the polling
+	interval. The check_interval variable is both the initial and
+	maximum polling interval.
 
 tolerant
 	Tolerance level. When a machine check exception occurs for a non