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Date: Wed, 9 Jul 2008 00:20:21 -0700 From: "Yinghai Lu" <yhlu.kernel@...il.com> To: "Ingo Molnar" <mingo@...e.hu> Cc: "Alok Kataria" <akataria@...are.com>, "Thomas Gleixner" <tglx@...utronix.de>, "the arch/x86 maintainers" <x86@...nel.org>, "Dan Hecht" <dhecht@...are.com>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 05/05] x86: Rename paravirtualized TSC functions On Tue, Jul 8, 2008 at 11:13 PM, Ingo Molnar <mingo@...e.hu> wrote: > > * Alok Kataria <akataria@...are.com> wrote: > >> Rename the paravirtualized calculate_cpu_khz to calibrate_tsc. In all >> cases, we actually calibrate_tsc and use that as the cpu_khz value. > > thanks Alok, i've applied all 5 unification patches to tip/x86/core: > > Alok Kataria (5): > x86: merge sched_clock handling > x86: merge tsc calibration > x86: merge the TSC cpu-freq code > x86: merge tsc_init and clocksource code > x86: rename paravirtualized TSC functions > > they are looking good in testing so far. got calling ixgb_init_module+0x0/0x76 Intel(R) PRO/10GbE Network Driver - version 1.0.126-k4 Copyright (c) 1999-2006 Intel Corporation. vendor=1022 device=7458 ACPI: PCI Interrupt 0000:0c:01.0[A] -> GSI 56 (level, low) -> IRQ 56 ixgb: eth18: ixgb_probe: Intel(R) PRO/10GbE Network Connection BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: [<ffffffff80253b17>] hrtick_start_fair+0x89/0x173 PGD 0 Oops: 0000 [1] SMP CPU 4 Modules linked in: Pid: 103, comm: events/4 Not tainted 2.6.26-rc9-tip-00026-geae1aa0-dirty #240 RIP: 0010:[<ffffffff80253b17>] [<ffffffff80253b17>] hrtick_start_fair+0x89/0x173 RSP: 0018:ffff88082481fbd0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff880824828000 RCX: 0000000000000006 RDX: ffff88084423e700 RSI: ffff880824828000 RDI: ffff88084423e700 RBP: ffff88082481fc00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88084423e700 R13: ffff880844239700 R14: ffff880824828000 R15: 0000000000000c1a FS: 0000000000000000(0000) GS:ffff881024c39600(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000000201000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process events/4 (pid: 103, threadinfo ffff88082481e000, task ffff880824814230) Stack: ffff880844248118 000000005c0ee9e3 ffff880844239700 ffff88082490d878 ffff88084423e700 0000000000000000 ffff88082481fc40 ffffffff80256591 ffff88082481fc30 ffffffff80516fc5 000000005c0ee9e3 ffff88082490d840 Call Trace: [<ffffffff80256591>] dequeue_task_fair+0x5f/0x7e [<ffffffff80516fc5>] ? __first_cpu+0x26/0x49 [<ffffffff80252792>] dequeue_task+0xce/0xf0 [<ffffffff80252835>] deactivate_task+0x31/0x50 [<ffffffff80252b93>] pull_task+0x2c/0x78 [<ffffffff80254c04>] load_balance_fair+0x18d/0x277 [<ffffffff80a49f02>] schedule+0x3db/0x962 [<ffffffff802c0f0f>] ? vmstat_update+0x0/0x5e [<ffffffff802787c9>] ? schedule_delayed_work+0x31/0x48 [<ffffffff802779ee>] worker_thread+0xbb/0x114 [<ffffffff8027c5ec>] ? autoremove_wake_function+0x0/0x63 [<ffffffff80277933>] ? worker_thread+0x0/0x114 [<ffffffff8027c147>] kthread+0x61/0xa4 [<ffffffff802614e5>] ? schedule_tail+0x36/0x81 [<ffffffff8022b509>] child_rip+0xa/0x11 [<ffffffff8027c0e6>] ? kthread+0x0/0xa4 [<ffffffff8022b4ff>] ? child_rip+0x0/0x11 Code: c3 80 e8 86 04 01 00 80 3d 76 52 c0 00 00 0f 89 e1 00 00 00 41 f6 84 24 70 08 00 00 04 0f 85 d2 00 00 00 49 8b 84 24 a8 08 00 00 <48> 8b 00 83 b8 c0 00 00 00 00 0f 84 ba 00 00 00 49 83 7d 10 01 RIP [<ffffffff80253b17>] hrtick_start_fair+0x89/0x173 RSP <ffff88082481fbd0> CR2: 0000000000000000 ---[ end trace c05d5c1f5b126388 ]--- yesterday tip/mater with tip/x86/modules tip-history-2008-07-08_16.08_Tue works well. others traps merge seems not to cause the problem.. YH -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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