On 4/26/2016 5:39 AM, Peter Zijlstra wrote:
On Mon, Apr 25, 2016 at 08:36:37PM -0700, Yang Shi wrote:
When kernel oops happens, lock debugging is turned off by debug_locks_off()
in oops_enter() via calling __debug_locks_off() which set debug_locks to 0
via xchg(). But, calling to __debug_locks_o
On Mon, Apr 25, 2016 at 08:36:37PM -0700, Yang Shi wrote:
> When kernel oops happens, lock debugging is turned off by debug_locks_off()
> in oops_enter() via calling __debug_locks_off() which set debug_locks to 0
> via xchg(). But, calling to __debug_locks_off() to check lock debugging state
> in a
When kernel oops happens, lock debugging is turned off by debug_locks_off()
in oops_enter() via calling __debug_locks_off() which set debug_locks to 0
via xchg(). But, calling to __debug_locks_off() to check lock debugging state
in add_taint() called by oops_end() will always return false since xch
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