[MODERATED] Re: [PATCH v6 2/5] NX 2
Konrad Rzeszutek Wilk <[email protected]>
| Newsgroups | org.kernel.lore.historical-speck |
|---|---|
| Message-ID | <[email protected]> |
On Fri, Oct 11, 2019 at 03:40:13AM -0700, speck for Paolo Bonzini wrote: > > This patch adds new cpu family ATOM_TREMONT_X to the cpu vunerability > whitelist. ATOM_TREMONT_X is not affected by X86_BUG_ITLB_MULTIHIT. There > may be more bugs not affecting ATOM_TREMONT_X which are not known at > this point and could be added later. > > Signed-off-by: Pawan Gupta <[email protected]> > Signed-off-by: Paolo Bonzini <[email protected]> Reviewed-by: Konrad Rzeszutek Wilk <[email protected]> Thank you! > --- > arch/x86/kernel/cpu/common.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c > index fc00b2349a9f..c652ca9dc046 100644 > --- a/arch/x86/kernel/cpu/common.c > +++ b/arch/x86/kernel/cpu/common.c > @@ -1074,6 +1074,8 @@ static void identify_cpu_without_cpuid(struct cpuinfo_x86 *c) > * good enough for our purposes. > */ > > + VULNWL_INTEL(ATOM_TREMONT_D, NO_ITLB_MULTIHIT), > + > /* AMD Family 0xf - 0x12 */ > VULNWL_AMD(0x0f, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT), > VULNWL_AMD(0x10, NO_MELTDOWN | NO_SSB | NO_L1TF | NO_MDS | NO_SWAPGS | NO_ITLB_MULTIHIT), > -- > 1.8.3.1