From edf79c40402f021bb27ccfb25360ffc98fc6f9e6 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 25 Jun 2006 05:48:23 -0700 Subject: [PATCH] --- yaml --- r: 29745 b: refs/heads/master c: 9be05b57bd9152b7c26b1599b87aeb42a102f0cf h: refs/heads/master i: 29743: e7d0f1487b80732c4e5923726e5de3734360d087 v: v3 --- [refs] | 2 +- trunk/Documentation/rtc.txt | 7 +++++-- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/[refs] b/[refs] index 59afe592f84b..a93eba1e7393 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 8e12ecc2b5a4521a338d7681e7d5547080fc6f71 +refs/heads/master: 9be05b57bd9152b7c26b1599b87aeb42a102f0cf diff --git a/trunk/Documentation/rtc.txt b/trunk/Documentation/rtc.txt index 95d17b3e2eee..2a58f985795a 100644 --- a/trunk/Documentation/rtc.txt +++ b/trunk/Documentation/rtc.txt @@ -44,8 +44,10 @@ normal timer interrupt, which is 100Hz. Programming and/or enabling interrupt frequencies greater than 64Hz is only allowed by root. This is perhaps a bit conservative, but we don't want an evil user generating lots of IRQs on a slow 386sx-16, where it might have -a negative impact on performance. Note that the interrupt handler is only -a few lines of code to minimize any possibility of this effect. +a negative impact on performance. This 64Hz limit can be changed by writing +a different value to /proc/sys/dev/rtc/max-user-freq. Note that the +interrupt handler is only a few lines of code to minimize any possibility +of this effect. Also, if the kernel time is synchronized with an external source, the kernel will write the time back to the CMOS clock every 11 minutes. In @@ -81,6 +83,7 @@ that will be using this driver. */ #include +#include #include #include #include