diff options
| -rw-r--r-- | arch/x86/kernel/uv_time.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/arch/x86/kernel/uv_time.c b/arch/x86/kernel/uv_time.c index 3da7b1d8bfd..3c84aa001c1 100644 --- a/arch/x86/kernel/uv_time.c +++ b/arch/x86/kernel/uv_time.c @@ -74,7 +74,6 @@ struct uv_rtc_timer_head { */ static struct uv_rtc_timer_head **blade_info __read_mostly; -static int uv_rtc_enable; static int uv_rtc_evt_enable; /* @@ -335,14 +334,6 @@ static void uv_rtc_interrupt(void) ced->event_handler(ced); } -static int __init uv_enable_rtc(char *str) -{ - uv_rtc_enable = 1; - - return 1; -} -__setup("uvrtc", uv_enable_rtc); - static int __init uv_enable_evt_rtc(char *str) { uv_rtc_evt_enable = 1; @@ -364,12 +355,16 @@ static __init int uv_rtc_setup_clock(void) { int rc; - if (!uv_rtc_enable || !is_uv_system() || x86_platform_ipi_callback) + if (!is_uv_system()) return -ENODEV; clocksource_uv.mult = clocksource_hz2mult(sn_rtc_cycles_per_second, clocksource_uv.shift); + /* If single blade, prefer tsc */ + if (uv_num_possible_blades() == 1) + clocksource_uv.rating = 250; + rc = clocksource_register(&clocksource_uv); if (rc) printk(KERN_INFO "UV RTC clocksource failed rc %d\n", rc); @@ -377,7 +372,7 @@ static __init int uv_rtc_setup_clock(void) printk(KERN_INFO "UV RTC clocksource registered freq %lu MHz\n", sn_rtc_cycles_per_second/(unsigned long)1E6); - if (rc || !uv_rtc_evt_enable) + if (rc || !uv_rtc_evt_enable || x86_platform_ipi_callback) return rc; /* Setup and register clockevents */ |