From: Momchil Velikov <velco@fadata.bg>
To: linuxppc-dev@lists.linuxppc.org
Subject: powerpc wmb()
Date: 18 Nov 2001 14:58:27 +0200 [thread overview]
Message-ID: <8766885j7w.fsf@fadata.bg> (raw)
wmb is defined as
#define wmb() __asm__ __volatile__ ("eieio" : : : "memory")
however, ``eieio'' has no effect on memory, that is
Write Through Not Required, thus I think it should be
#define wmb() __asm__ __volatile__ ("sync" : : : "memory")
Comments ?
Regards,
-velco
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next reply other threads:[~2001-11-18 12:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-18 12:58 Momchil Velikov [this message]
2001-11-18 13:13 ` powerpc wmb() Anton Blanchard
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