Messages in this thread Patch in this message | | | Date | Thu, 16 Feb 2012 14:10:42 -0600 | From | Dimitri Sivanich <> | Subject | [PATCH] x86 uv: lower UV rtc clocksource rating |
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Lower the rating of the UV rtc clocksource to just below that of the tsc.
Signed-off-by: Dimitri Sivanich <sivanich@sgi.com> --- arch/x86/platform/uv/uv_time.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
Index: linux/arch/x86/platform/uv/uv_time.c =================================================================== --- linux.orig/arch/x86/platform/uv/uv_time.c +++ linux/arch/x86/platform/uv/uv_time.c @@ -37,7 +37,7 @@ static void uv_rtc_timer_setup(enum cloc static struct clocksource clocksource_uv = { .name = RTC_NAME, - .rating = 400, + .rating = 299, .read = uv_read_rtc, .mask = (cycle_t)UVH_RTC_REAL_TIME_CLOCK_MASK, .flags = CLOCK_SOURCE_IS_CONTINUOUS, @@ -379,10 +379,6 @@ static __init int uv_rtc_setup_clock(voi if (!is_uv_system()) return -ENODEV; - /* If single blade, prefer tsc */ - if (uv_num_possible_blades() == 1) - clocksource_uv.rating = 250; - rc = clocksource_register_hz(&clocksource_uv, sn_rtc_cycles_per_second); if (rc) printk(KERN_INFO "UV RTC clocksource failed rc %d\n", rc);
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