4 Commits

Author	SHA1	Message	Date
Stefan Kristiansson	0e9f9fd20c	openrisc: add atomic bitops ... This utilize the load-link/store-conditional l.lwa and l.swa instructions to implement the atomic bitops. When those instructions are not available emulation is provided. Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> [shorne@gmail.com: remove OPENRISC_HAVE_INST_LWA_SWA config suggesed by Alan Cox https://lkml.org/lkml/2014/7/23/666, implement test_and_change_bit] Signed-off-by: Stafford Horne <shorne@gmail.com>	2017-02-25 04:12:38 +09:00
Peter Zijlstra	0f5c6f9e18	arch,openrisc: Convert smp_mb__*() ... Openrisc fully relies on asm-generic/barrier.h and therefore its smp_mb() is barrier(). Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Link: http://lkml.kernel.org/n/tip-sxgxgqag9tond4kji07d22oh@git.kernel.org Cc: Jonas Bonn <jonas@southpole.se> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: linux-kernel@vger.kernel.org Cc: linux@lists.openrisc.net Signed-off-by: Ingo Molnar <mingo@kernel.org>	2014-04-18 14:20:40 +02:00
Sebastian Macke	b4f5b53603	Add bitops include needed for ext2 filesystem ... Signed-off-by: Jonas Bonn <jonas@southpole.se>	2013-02-17 08:46:21 +01:00
Jonas Bonn	58e0166a47	OpenRISC: Headers ... Signed-off-by: Jonas Bonn <jonas@southpole.se> Reviewed-by: Arnd Bergmann <arnd@arndb.de>	2011-07-22 18:46:39 +02:00