Andrew Cooper, le Thu 15 Jan 2015 19:07:47 +0000, a écrit : > MiniOS has never advertised support for supervisor_mode_kernel, and the > feature was only ever implemented for 32bit Xen. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> > CC: Keir Fraser <k...@xen.org> > CC: Jan Beulich <jbeul...@suse.com> > CC: Tim Deegan <t...@xen.org> > CC: Stefano Stabellini <stefano.stabell...@eu.citrix.com> > CC: Samuel Thibault <samuel.thiba...@ens-lyon.org>
Acked-by: Samuel Thibault <samuel.thiba...@ens-lyon.org> > --- > extras/mini-os/arch/x86/x86_64.S | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > > diff --git a/extras/mini-os/arch/x86/x86_64.S > b/extras/mini-os/arch/x86/x86_64.S > index df3469e..72921b1 100644 > --- a/extras/mini-os/arch/x86/x86_64.S > +++ b/extras/mini-os/arch/x86/x86_64.S > @@ -125,13 +125,10 @@ KERNEL_CS_MASK = 0xfc > testl $NMI_MASK,2*8(%rsp) > jnz 2f > > - testb $1,(xen_features+XENFEAT_supervisor_mode_kernel) > - jnz 1f > - > /* Direct iret to kernel space. Correct CS and SS. */ > orb $3,1*8(%rsp) > orb $3,4*8(%rsp) > -1: iretq > + iretq > > 2: /* Slow iret via hypervisor. */ > andl $~NMI_MASK, 16(%rsp) > -- > 1.7.10.4 > -- Samuel > dvips -o $@ $< Faut faire gffe de pas te couper avec ton truc, t'as mis des ciseaux ($<) partout :)) -+- Dom in Guide du linuxien pervers - "J'aime pas les Makefile !" -+- _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
