Module: xenomai-2.6
Branch: master
Commit: 3acd5917ce980f3f468cc09c0158227eb59433b6
URL:
http://git.xenomai.org/?p=xenomai-2.6.git;a=commit;h=3acd5917ce980f3f468cc09c0158227eb59433b6
Author: Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
Date: Tue Jun 5 20:12:03 2012 +0200
hal/x86: warn user when using a kernel without tsc on a cpu with tsc
---
ksrc/arch/x86/hal_32.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/ksrc/arch/x86/hal_32.c b/ksrc/arch/x86/hal_32.c
index 5f58703..36affe6 100644
--- a/ksrc/arch/x86/hal_32.c
+++ b/ksrc/arch/x86/hal_32.c
@@ -296,6 +296,12 @@ void rthal_setup_8254_tsc(void)
unsigned long flags;
int count;
+#ifdef CONFIG_IPIPE_CORE
+ if (cpu_has_tsc)
+ printk("Xenomai: your configuration has tsc disabled while "
+ "your cpu has a tsc\nYou would get better performances "
+ "by enabling tsc in kernel configuration.\n");
+#endif
rthal_local_irq_save_hw(flags);
outb_p(0x0, PIT_MODE);
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