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Message-ID: <4815F6F4.2080806@qumranet.com> Date: Mon, 28 Apr 2008 19:10:28 +0300 From: Avi Kivity <avi@...ranet.com> To: Izik Eidus <izike@...ranet.com> CC: Harvey Harrison <harvey.harrison@...il.com>, LKML <linux-kernel@...r.kernel.org>, kvm-devel <kvm-devel@...ts.sourceforge.net> Subject: Re: kvm: how big is type? Izik Eidus wrote: > Avi Kivity wrote: > >> Harvey Harrison wrote: >> >>> arch/x86/kvm/x86.c:3484:25: warning: cast truncates bits from constant >>> value (100 becomes 0) >>> arch/x86/kvm/x86.c:3510:24: warning: cast truncates bits from constant >>> value (100 becomes 0) >>> >>> The problem: >>> cseg_desc.type &= ~(1 << 8); //clear the B flag >>> nseg_desc.type |= (1 << 8); >>> >>> type is a 4-bit bitfield on x86....please look into this. >>> >>> >>> >> I think it ought to be (1 << 1), not (1 << 8), as it refers to the >> "busy" bit of the task type. Izik? >> >> >> > From cf6e76c69a38a983df0c84a3dcc2336042eb3436 Mon Sep 17 00:00:00 2001 > From: Izik Eidus <izike@...ranet.com> > Date: Mon, 28 Apr 2008 18:16:08 +0300 > Subject: [PATCH] KVM: x86: task switch: fix wrong bit setting for the busy flag. > the busy bit is in offset of 1 inside type and not in 8. > Applied, thanks. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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