Messages in this thread | | | Date | Sun, 2 Aug 2015 18:08:09 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2] arch: use WRITE_ONCE/READ_ONCE in smp_store_release/smp_load_acquire |
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On Sun, Aug 02, 2015 at 05:11:04PM +0200, Andrey Konovalov wrote: > 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 commits 230fa253df63 > ("kernel: Provide READ_ONCE and ASSIGN_ONCE") and 43239cbe79fc ("kernel: > Change ASSIGN_ONCE(val, x) to WRITE_ONCE(x, val)"). > > Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Thanks!
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