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unmodified drivers: use upstream sync_bitops if available
The forward ported xenlinux sources in openSuSE 12.2 were switched from the old synch_bitops to the sync_bitops since kernel version 3.3. Add compat macros to use either old or new helpers depending on used kernel source version. Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Olaf Hering <olaf@aepfle.de>
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Jan Beulich committed
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@@ -161,4 +161,14 @@ typedef irqreturn_t (*irq_handler_t)(int, void *, struct pt_regs *);
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#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new)))
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#endif
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#ifdef sync_test_bit
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#define synch_change_bit sync_change_bit
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#define synch_clear_bit sync_clear_bit
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#define synch_set_bit sync_set_bit
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#define synch_test_and_change_bit sync_test_and_change_bit
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#define synch_test_and_clear_bit sync_test_and_clear_bit
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#define synch_test_and_set_bit sync_test_and_set_bit
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#define synch_test_bit sync_test_bit
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#endif
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#endif
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