Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755416Ab2BPUKr (ORCPT ); Thu, 16 Feb 2012 15:10:47 -0500 Received: from relay2.sgi.com ([192.48.179.30]:36654 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753584Ab2BPUKq (ORCPT ); Thu, 16 Feb 2012 15:10:46 -0500 Date: Thu, 16 Feb 2012 14:10:42 -0600 From: Dimitri Sivanich To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , John Stultz Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Jack Steiner Subject: [PATCH] x86 uv: lower UV rtc clocksource rating Message-ID: <20120216201042.GA10260@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1307 Lines: 36 Lower the rating of the UV rtc clocksource to just below that of the tsc. Signed-off-by: Dimitri Sivanich --- 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); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/