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authorAndrey Konovalov <[email protected]>2015-08-02 17:11:04 +0200
committerIngo Molnar <[email protected]>2015-08-03 10:59:30 +0200
commit76695af20c015206cffb84b15912be6797d0cca2 (patch)
tree9b11a22a998d19422b137cde196866efea49657c /tools/perf/scripts/python/export-to-postgresql.py
parent75d2270280686bff21b9ba66c7f3dd379c887981 (diff)
locking, arch: use WRITE_ONCE()/READ_ONCE() in smp_store_release()/smp_load_acquire()
Replace ACCESS_ONCE() macro in smp_store_release() and smp_load_acquire() with WRITE_ONCE() and READ_ONCE() on x86, arm, arm64, ia64, metag, mips, powerpc, s390, sparc and asm-generic since ACCESS_ONCE() does not work reliably on non-scalar types. WRITE_ONCE() and READ_ONCE() were introduced in the following commits: 230fa253df63 ("kernel: Provide READ_ONCE and ASSIGN_ONCE") 43239cbe79fc ("kernel: Change ASSIGN_ONCE(val, x) to WRITE_ONCE(x, val)") Signed-off-by: Andrey Konovalov <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Acked-by: Davidlohr Bueso <[email protected]> Acked-by: Michael Ellerman <[email protected]> (powerpc) Acked-by: Ralf Baechle <[email protected]> Cc: Alexander Duyck <[email protected]> Cc: Andre Przywara <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Christian Borntraeger <[email protected]> Cc: David S. Miller <[email protected]> Cc: Davidlohr Bueso <[email protected]> Cc: Dmitry Vyukov <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: James Hogan <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Paul E. McKenney <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Russell King <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Tony Luck <[email protected]> Cc: Will Deacon <[email protected]> Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
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