Date: Thu, 4 Jul 2002 09:32:05 +0800 From: "David Xu" <davidx@viasoft.com.cn> To: "Julian Elischer" <julian@elischer.org> Cc: <freebsd-current@FreeBSD.ORG> Subject: Timeout and SMP race Message-ID: <001101c222fa$9b32eed0$ef01a8c0@davidwnt> References: <Pine.BSF.4.21.0207031704460.3993-100000@InterJet.elischer.org>
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while we are getting rid of Giant, current race condition between = softclock() and callout_stop() is unacceptable. the race causes two many places in = source code would be modified to fit this new behaviour, besides this, = everywhere=20 callout_stop() is used need to hold sched_lock and do a mi_switch() and modify td_flags is also unacceptable, this SMP race should be resolved = in=20 kern_timeout.c. =20 David Xu To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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