From: Allen Pais <allen.pais@oracle.com>
To: Kirill Tkhai <tkhai@yandex.ru>
Cc: linux-rt-users <linux-rt-users@vger.kernel.org>,
"sparclinux@vger.kernel.org" <sparclinux@vger.kernel.org>,
"davem@davemloft.net" <davem@davemloft.net>,
"bigeasy@linutronix.de" <bigeasy@linutronix.de>
Subject: Re: [PATCH 3/4] sparc64: convert spinlock_t to raw_spinlock_t in mmu_context_t
Date: Wed, 12 Feb 2014 18:35:54 +0530 [thread overview]
Message-ID: <52FB71B2.20409@oracle.com> (raw)
In-Reply-To: <268891392209126@web5h.yandex.ru>
On Wednesday 12 February 2014 06:15 PM, Kirill Tkhai wrote:
>
>
> 12.02.2014, 16:15, "Allen Pais" <allen.pais@oracle.com>:
>> On Wednesday 12 February 2014 05:13 PM, Kirill Tkhai wrote:
>>
>>> 12.02.2014, 15:29, "Allen Pais" <allen.pais@oracle.com>:
>>>>>>>> [ 1487.027884] I7: <rt_mutex_setprio+0x3c/0x2c0>
>>>>>>>> [ 1487.027885] Call Trace:
>>>>>>>> [ 1487.027887] [00000000004967dc] rt_mutex_setprio+0x3c/0x2c0
>>>>>>>> [ 1487.027892] [00000000004afe20] task_blocks_on_rt_mutex+0x180/0x200
>>>>>>>> [ 1487.027895] [0000000000819114] rt_spin_lock_slowlock+0x94/0x300
>>>>>>>> [ 1487.027897] [0000000000817ebc] __schedule+0x39c/0x53c
>>>>>>>> [ 1487.027899] [00000000008185fc] schedule+0x1c/0xc0
>>>>>>>> [ 1487.027908] [000000000048fff4] smpboot_thread_fn+0x154/0x2e0
>>>>>>>> [ 1487.027913] [000000000048753c] kthread+0x7c/0xa0
>>>>>>>> [ 1487.027920] [00000000004060c4] ret_from_syscall+0x1c/0x2c
>>>>>>>> [ 1487.027922] [0000000000000000] (null)
>>
>> I am not convinced that I've covered all tlb/smp code. Guess I'll need to dig more.
>
> ++all above. May we have to add one more crutch... Put preempt_disable() at begining of
> __set_pte_at() and enable at end...
>
I'll look into it. Thanks again.
Allen
next prev parent reply other threads:[~2014-02-12 13:05 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1388980510-10190-1-git-send-email-allen.pais@oracle.com>
2014-02-05 3:31 ` [PATCH 0/4] PREEMPT_RT support for sparc64 Allen Pais
2014-02-05 8:28 ` Sebastian Andrzej Siewior
2014-02-05 10:38 ` Allen Pais
2014-02-05 10:43 ` Sebastian Andrzej Siewior
2014-02-05 10:51 ` Allen Pais
[not found] ` <1388980510-10190-4-git-send-email-allen.pais@oracle.com>
[not found] ` <341392153219@web17g.yandex.ru>
2014-02-12 7:48 ` [PATCH 3/4] sparc64: convert spinlock_t to raw_spinlock_t in mmu_context_t Allen Pais
2014-02-12 8:33 ` Kirill Tkhai
2014-02-12 11:28 ` Allen Pais
2014-02-12 11:43 ` Kirill Tkhai
2014-02-12 12:14 ` Allen Pais
2014-02-12 12:45 ` Kirill Tkhai
2014-02-12 13:05 ` Allen Pais [this message]
2014-02-19 3:53 ` Allen Pais
2014-02-19 8:09 ` Kirill Tkhai
2014-02-19 8:12 ` Allen Pais
2014-02-19 8:57 ` Kirill Tkhai
2014-02-19 8:59 ` Allen Pais
2014-02-19 9:13 ` Allen Pais
2014-02-19 9:25 ` Kirill Tkhai
2014-02-19 9:31 ` Allen Pais
2014-02-26 7:51 ` Allen Pais
2014-02-28 14:51 ` Kirill Tkhai
2014-03-04 19:10 ` David Miller
2014-03-04 20:28 ` David Miller
2014-03-05 4:30 ` Allen Pais
2014-03-06 21:36 ` David Miller
2014-03-07 14:05 ` Sebastian Andrzej Siewior
2014-03-04 20:39 ` Kirill Tkhai
2014-03-07 13:41 ` Sebastian Andrzej Siewior
2014-03-04 20:03 ` David Miller
2014-03-04 21:26 ` Kirill Tkhai
2014-03-04 20:01 ` David Miller
2014-03-05 4:34 ` Allen Pais
2014-03-05 4:52 ` David Miller
2014-03-04 19:59 ` David Miller
2014-03-04 19:55 ` David Miller
2014-03-04 20:44 ` Kirill Tkhai
2014-03-07 14:29 ` Sebastian Andrzej Siewior
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