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From: Matthew Wilcox <matthew@wil.cx>
To: linux-kernel@vger.kernel.org
Cc: Oliver.Neukum@lrz.uni-muenchen.de
Subject: Re: question on atomic_t
Date: Sun, 22 Apr 2001 23:32:47 +0100	[thread overview]
Message-ID: <20010422233247.A18464@parcelfarce.linux.theplanet.co.uk> (raw)


> can I assume that a member of a structure of type atomic_t is 0 after
> using memset to zero on the structure ?

You must not do this.  use atomic_init instead.  on parisc, the locked value
of a spinlock is 0, so no more updates to that atomic value would ever work.

-- 
Revolutions do not require corporate support.

             reply	other threads:[~2001-04-22 22:33 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-04-22 22:32 Matthew Wilcox [this message]
  -- strict thread matches above, loose matches on Subject: below --
2010-01-13 21:10 question on atomic_t Oliver Neukum
2001-04-22 22:15 Oliver Neukum

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