Messages in this thread | | | Date | Tue, 03 Nov 2009 00:24:30 +0900 | From | Tejun Heo <> | Subject | Re: [PATCH 1/1] MM: slqb, fix per_cpu access |
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2009년 11월 02일 17:49, Jiri Slaby wrote: > We cannot use the same local variable name as the declared per_cpu > variable since commit "percpu: remove per_cpu__ prefix." > > Otherwise we would see crashes like: > general protection fault: 0000 [#1] SMP > last sysfs file: > CPU 1 > Modules linked in: > Pid: 1, comm: swapper Tainted: G W 2.6.32-rc5-mm1_64 #860 > RIP: 0010:[<ffffffff8142ff94>] [<ffffffff8142ff94>] start_cpu_timer+0x2b/0x87 > ... > > Use slqb_ prefix for the global variable so that we don't collide > even with the rest of the kernel (s390 and alpha need this). > > Signed-off-by: Jiri Slaby <jirislaby@gmail.com> > Cc: Nick Piggin <npiggin@suse.de> > Cc: Tejun Heo <tj@kernel.org> > Cc: Rusty Russell <rusty@rustcorp.com.au> > Cc: Christoph Lameter <cl@linux-foundation.org>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
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