2013/1/2 Christoph Lameter :
> On Sat, 29 Dec 2012, Frederic Weisbecker wrote:
>
>> @@ -163,6 +164,8 @@ static int __init tick_nohz_full_setup(char *str)
>> return 1;
>> }
>> __setup("full_nohz=", tick_nohz_full_setup);
>> +#else
>> +#define have_full_nohz_mask (0)
>> #endif
>>
>> /*
>>
2013/1/2 Christoph Lameter c...@linux.com:
On Sat, 29 Dec 2012, Frederic Weisbecker wrote:
@@ -163,6 +164,8 @@ static int __init tick_nohz_full_setup(char *str)
return 1;
}
__setup(full_nohz=, tick_nohz_full_setup);
+#else
+#define have_full_nohz_mask (0)
#endif
/*
@@ -512,6
On Sat, 29 Dec 2012, Frederic Weisbecker wrote:
> @@ -163,6 +164,8 @@ static int __init tick_nohz_full_setup(char *str)
> return 1;
> }
> __setup("full_nohz=", tick_nohz_full_setup);
> +#else
> +#define have_full_nohz_mask (0)
> #endif
>
> /*
> @@ -512,6 +515,10 @@ static bool
On Sat, 29 Dec 2012, Frederic Weisbecker wrote:
@@ -163,6 +164,8 @@ static int __init tick_nohz_full_setup(char *str)
return 1;
}
__setup(full_nohz=, tick_nohz_full_setup);
+#else
+#define have_full_nohz_mask (0)
#endif
/*
@@ -512,6 +515,10 @@ static bool
This way the full nohz CPUs can safely run with the tick
stopped with a guarantee that somebody else is taking
care of the jiffies and gtod progression.
NOTE: this doesn't handle CPU hotplug. Also we could use something
more elaborated wrt. powersaving if we have more than one non full-nohz
CPU
This way the full nohz CPUs can safely run with the tick
stopped with a guarantee that somebody else is taking
care of the jiffies and gtod progression.
NOTE: this doesn't handle CPU hotplug. Also we could use something
more elaborated wrt. powersaving if we have more than one non full-nohz
CPU
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