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Given that READ_ONCE() now implies smp_read_barrier_depends(), there is no need for the open-coded smp_read_barrier_depends() in mn10300_serial_receive_interrupt() and mn10300_serial_poll_get_char(). This commit therefore removes them, but replaces them with comments calling out that carrying dependencies through non-pointers is quite dangerous. Compilers simply know too much about integers. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: David Howells <dhowells@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: <linux-am33-list@redhat.com> |
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| .. | ||
| boot | ||
| configs | ||
| include | ||
| kernel | ||
| lib | ||
| mm | ||
| oprofile | ||
| proc-mn2ws0050 | ||
| proc-mn103e010 | ||
| unit-asb2303 | ||
| unit-asb2305 | ||
| unit-asb2364 | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||