On Mon, Nov 20, 2017 at 10:26:46AM -0600, Yazen Ghannam wrote: > From: Yazen Ghannam <yazen.ghan...@amd.com> > > The McaIntrCfg register at MSRC000_0410, previously known as CU_DEFER_ERR, > is used on SMCA systems to set the LVT offset for the Threshold and > Deferred error interrupts. > > This register was used on non-SMCA systems to also set the Deferred > interrupt type in bits 2:1. However, these bits are reserved on SMCA > systems. > > Only set MSRC000_0410[2:1] on non-SMCA systems. > > Signed-off-by: Yazen Ghannam <yazen.ghan...@amd.com> > --- > arch/x86/kernel/cpu/mcheck/mce_amd.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c > b/arch/x86/kernel/cpu/mcheck/mce_amd.c > index e4e27adedc81..32008a8d293f 100644 > --- a/arch/x86/kernel/cpu/mcheck/mce_amd.c > +++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c > @@ -418,7 +418,9 @@ static void deferred_error_interrupt_enable(struct > cpuinfo_x86 *c) > (deferred_error_int_vector != amd_deferred_error_interrupt)) > deferred_error_int_vector = amd_deferred_error_interrupt; > > - low = (low & ~MASK_DEF_INT_TYPE) | DEF_INT_TYPE_APIC; > + if (!mce_flags.smca) > + low = (low & ~MASK_DEF_INT_TYPE) | DEF_INT_TYPE_APIC; > + > wrmsr(MSR_CU_DEF_ERR, low, high); > } > > --
Applied, thanks. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.