Messages in this thread | | | Date | Wed, 2 Mar 2011 14:35:33 -0500 | From | Don Zickus <> | Subject | Re: [PATCH -tip 1/2 resend] x86, nmi: Define a name for NMI control port |
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On Wed, Mar 02, 2011 at 06:32:30PM +0300, Cyrill Gorcunov wrote: > Also add a comment anout why we need in-out operations. > > Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> > --- > > Ingo I hope this time I've resolved MUA space injection. > > arch/x86/include/asm/mach_traps.h | 18 +++++++++++++----- > 1 file changed, 13 insertions(+), 5 deletions(-) > > Index: linux-2.6.git/arch/x86/include/asm/mach_traps.h > ===================================================================== > --- linux-2.6.git.orig/arch/x86/include/asm/mach_traps.h > +++ linux-2.6.git/arch/x86/include/asm/mach_traps.h > @@ -8,6 +8,7 @@ > #include <asm/mc146818rtc.h> > > #define NMI_REASON_PORT 0x61 > +#define NMI_ENABLE_PORT 0x70 /* Real-Time Clock Address Register as well */ > > #define NMI_REASON_SERR 0x80 > #define NMI_REASON_IOCHK 0x40 > @@ -30,12 +31,19 @@ static inline void reassert_nmi(void) > old_reg = current_lock_cmos_reg(); > else > lock_cmos(0); /* register doesn't matter here */ > - outb(0x8f, 0x70); > - inb(0x71); /* dummy */
I was wondering if 0x71 should get a name change too. Then again I can't find the Intel doc that tells me what 0x70 is either (I remember seeing it somewhere).
Cheers, Don
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