On Sat, Feb 28, 2015 at 6:17 PM, Yinghai Lu <ying...@kernel.org> wrote: > We should access variable with referrence instead of using physical > address as value. > > Cc: Matt Fleming <matt.flem...@intel.com> > Cc: Borislav Petkov <b...@suse.de> > Signed-off-by: Yinghai Lu <ying...@kernel.org> > --- > arch/x86/kernel/setup.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c > index 98dc931..05d444f 100644 > --- a/arch/x86/kernel/setup.c > +++ b/arch/x86/kernel/setup.c > @@ -429,7 +429,13 @@ static void __init reserve_initrd(void) > > static void __init parse_kaslr_setup(u64 pa_data, u32 data_len) > { > - kaslr_enabled = (bool)(pa_data + sizeof(struct setup_data)); > + /* kaslr_setup_data is defined in aslr.c */ > + unsigned char *data; > + unsigned long offset = sizeof(struct setup_data); > + > + data = early_memremap(pa_data, offset + 1); > + kaslr_enabled = *(data + offset); > + early_memunmap(data, offset + 1); > } > > static void __init parse_setup_data(void) > --
oh, no. the offending commit already got into linus tree. commit f47233c2d34f243ecdaac179c3408a39ff9216a7 Author: Jiri Kosina <jkos...@suse.cz> Date: Fri Feb 13 16:04:55 2015 +0100 x86/mm/ASLR: Propagate base load address calculation -- 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/