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SubjectRe: [PATCH] scsi/mpt2sas: fix unsafe preempt setting for ioc
On 04/06/2012 07:54 PM, Alex Shi wrote:

> Without the following patch, the driver will have many complain after
> smp_processor_id debug enabled.
>
> So would you like consider to pick this patch or find a better way to
> remove them?


Anyone like to have a look on the following complain?

>
> Call Trace:^M
> [<ffffffff81325f77>] debug_smp_processor_id+0xe7/0x100^M
> [<ffffffffa0016324>] mpt2sas_base_put_smid_default+0x34/0x70 [mpt2sas]^M
> [<ffffffffa0016472>] _base_event_notification+0x112/0x240 [mpt2sas]^M
> [<ffffffffa0016a11>] _base_make_ioc_operational+0x471/0x1240 [mpt2sas]^M
> [<ffffffff810b9963>] ? lockdep_init_map+0xa3/0x560^M
> [<ffffffff810be4fd>] ? trace_hardirqs_on_caller+0x10d/0x1a0^M
> [<ffffffff810b8588>] ? debug_mutex_init+0x38/0x50^M
> [<ffffffffa00193c7>] mpt2sas_base_attach+0x1237/0x1630 [mpt2sas]^M
> [<ffffffffa001ecf8>] _scsih_probe+0x408/0x620 [mpt2sas]^M
> [<ffffffff8133c64c>] local_pci_probe+0x5c/0xd0^M
> [<ffffffff8133df41>] pci_device_probe+0x101/0x120^M
> [<ffffffff814190dc>] driver_probe_device+0x9c/0x300^M
> [<ffffffff814193eb>] __driver_attach+0xab/0xb0^M
> [<ffffffff81419340>] ? driver_probe_device+0x300/0x300^M
> [<ffffffff8141747e>] bus_for_each_dev+0x5e/0x90^M
> [<ffffffff81418cee>] driver_attach+0x1e/0x20^M
> [<ffffffff814188e0>] bus_add_driver+0x1c0/0x2b0^M
>




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