Date: Thu, 29 Dec 2011 16:52:29 -0600 From: Alan Cox <alc@rice.edu> To: Sean Bruno <seanbru@yahoo-inc.com> Cc: Alan Cox <alc@cs.rice.edu>, "xen@freebsd.org" <xen@freebsd.org> Subject: Re: PV i386 patch Message-ID: <4EFCEF2D.4080007@rice.edu> In-Reply-To: <1325197722.17645.14.camel@hitfishpass-lx.corp.yahoo.com> References: <4EEB9CCE.6090701@rice.edu> <1324169806.3093.3.camel@hitfishpass-lx.corp.yahoo.com> <4EED4982.3080208@freebsd.org> <1324339762.3093.14.camel@hitfishpass-lx.corp.yahoo.com> <4EF04F3C.9010309@rice.edu> <1324387685.3093.28.camel@hitfishpass-lx.corp.yahoo.com> <4EF0D8D7.2060503@rice.edu> <4EF0EC1A.4010604@freebsd.org> <1324412718.12783.10.camel@hitfishpass-lx.corp.yahoo.com> <4EF245D1.2050503@rice.edu> <1324679157.17645.6.camel@hitfishpass-lx.corp.yahoo.com> <4EFA0313.6030105@rice.edu> <1325028241.17645.10.camel@hitfishpass-lx.corp.yahoo.com> <4EFCCC06.4020001@rice.edu> <1325197722.17645.14.camel@hitfishpass-lx.corp.yahoo.com>
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On 12/29/2011 16:28, Sean Bruno wrote: > On Thu, 2011-12-29 at 12:22 -0800, Alan Cox wrote: >> Please try this patch. It eliminates a race condition that might >> actually account for some of the crashes in FreeBSD>= 9 on Xen. >> >> Alan >> > ref10-xen32.freebsd.org has this applied now. Looks ok to me? > I know that lmbench's bw_pipe program exercises the code path that I changed if you want to give it a bit more testing. Alan
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