commit | eb2cd8b72b08fe56998600aee8a5dff93f7be5a2 | [log] [tgz] |
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author | Vineet Gupta <vgupta@synopsys.com> | Thu Aug 06 19:11:06 2015 +0530 |
committer | Vineet Gupta <vgupta@synopsys.com> | Thu Aug 20 18:16:01 2015 +0530 |
tree | f16645c5a57ce9221e2c6ced11b73789ea9d242c | |
parent | 5e0574292ad48dcdf48ef90a47da862c21d649a6 [diff] |
ARC: ensure futex ops are atomic in !LLSC config W/o hardware assisted atomic r-m-w the best we can do is to disable preemption. Cc: David Hildenbrand <dahi@linux.vnet.ibm.com> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Michel Lespinasse <walken@google.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>