> commit 77e277cb85290a183bbc1995a1cd839b1c216f25 > Subject: [PATCH] x86, realmode: set real_mode permissions early > Author: Yinghai Lu <ying...@kernel.org> > Date: Mon Dec 24 18:00:21 2012 -0800 > > x86, realmode: set real_mode permissions early > > We need to set trampoline code to EXEC early before we do smp > AP bootings. > > Found the problem after switching to #PF handler set page table, > and we do not set initial kernel low mapping with EXEC anymore. > > Change to use early_initcall instead that will make sure tramopline > will have EXEC set. > > Signed-off-by: Yinghai Lu <ying...@kernel.org> > > diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c > index 80450261215c..0b7e840ad4d4 100644 > --- a/arch/x86/realmode/init.c > +++ b/arch/x86/realmode/init.c > @@ -111,5 +111,4 @@ static int __init set_real_mode_permissions(void) > > return 0; > } > - > -arch_initcall(set_real_mode_permissions); > +early_initcall(set_real_mode_permissions);
I'm looking at this patch in the -v8 branch: you need to update the comment above that function to say that trampoline code needs to be marked X now earlier. Thanks. -- Regards/Gruss, Boris. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
