MIPS: delay: Fix use of current_cpu_data in preemptable code.
authorRalf Baechle <ralf@linux-mips.org>
Wed, 10 Mar 2010 15:16:04 +0000 (16:16 +0100)
committerRalf Baechle <ralf@linux-mips.org>
Mon, 12 Apr 2010 16:26:09 +0000 (17:26 +0100)
commitabe5b417fb4a52e9510fdb5a16e722e91bf89e92
treeb03b825507fb611837d831ba8a1425b0996ddd7f
parentb1cea3bab575af386618baba0db3c5fae7ce521f
MIPS: delay: Fix use of current_cpu_data in preemptable code.

This may lead to warnings like:

BUG: using smp_processor_id() in preemptible [00000000] code: reboot/1989
caller is __udelay+0x14/0x70
Call Trace:
[<ffffffff8110ad28>] dump_stack+0x8/0x34
[<ffffffff812dde04>] debug_smp_processor_id+0xf4/0x110
[<ffffffff812d90bc>] __udelay+0x14/0x70
[<ffffffff81378274>] md_notify_reboot+0x12c/0x148
[<ffffffff81161054>] notifier_call_chain+0x64/0xc8
[<ffffffff811614dc>] __blocking_notifier_call_chain+0x64/0xc0
[<ffffffff8115566c>] kernel_restart_prepare+0x1c/0x38
[<ffffffff811556cc>] kernel_restart+0x14/0x50
[<ffffffff8115581c>] SyS_reboot+0x10c/0x1f0
[<ffffffff81103684>] handle_sysn32+0x44/0x84

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/lib/delay.c