Date: Sun, 10 Nov 2002 13:56:14 -0500 From: Jake Burkholder <jake@locore.ca> To: Matt Jacob <mjacob@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/vm uma_dbg.c Message-ID: <20021110135614.A85338@locore.ca> In-Reply-To: <200211101616.gAAGGiuV009632@repoman.freebsd.org>; from mjacob@FreeBSD.org on Sun, Nov 10, 2002 at 08:16:44AM -0800 References: <200211101616.gAAGGiuV009632@repoman.freebsd.org>
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Apparently, On Sun, Nov 10, 2002 at 08:16:44AM -0800, Matt Jacob said words to the effect of; > mjacob 2002/11/10 08:16:44 PST > > Modified files: > sys/vm uma_dbg.c > Log: > Use atomic_set_8 on the us_freelist maps as they are not otherwise > protected. Furthermore, in some RISC architectures with no normal > byte operations, the surrounding 3 bytes are also affected by the > read-modify-write that has to occur. > > Revision Changes Path > 1.9 +2 -2 src/sys/vm/uma_dbg.c sparc64 can't do atomic operations on less than 32 bits, this needs a lock. Jake To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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