Displaying 2 results from an estimated 2 matches for "grow_poll_ns".
2017 Nov 13
0
[PATCH RFC v3 6/6] KVM guest: introduce smart idle poll algorithm
...gt;
#include <linux/nmi.h>
#include <linux/swait.h>
+#include <linux/tick.h>
#include <asm/timer.h>
#include <asm/cpu.h>
#include <asm/traps.h>
@@ -365,11 +366,57 @@ static void kvm_guest_cpu_init(void)
kvm_register_steal_time();
}
+static unsigned int grow_poll_ns(unsigned int old, unsigned int grow,
+ unsigned int max)
+{
+ unsigned int val;
+
+ /* set base poll time to 10000ns */
+ if (old == 0 && grow)
+ return 10000;
+
+ val = old * grow;
+ if (val > max)
+ val = max;
+
+ return val;
+}
+
+static unsigned int shrink_poll_ns(unsigned int...
2017 Nov 13
0
[PATCH RFC v3 6/6] KVM guest: introduce smart idle poll algorithm
...gt;
#include <linux/nmi.h>
#include <linux/swait.h>
+#include <linux/tick.h>
#include <asm/timer.h>
#include <asm/cpu.h>
#include <asm/traps.h>
@@ -365,11 +366,57 @@ static void kvm_guest_cpu_init(void)
kvm_register_steal_time();
}
+static unsigned int grow_poll_ns(unsigned int old, unsigned int grow,
+ unsigned int max)
+{
+ unsigned int val;
+
+ /* set base poll time to 10000ns */
+ if (old == 0 && grow)
+ return 10000;
+
+ val = old * grow;
+ if (val > max)
+ val = max;
+
+ return val;
+}
+
+static unsigned int shrink_poll_ns(unsigned int...