On Wed, May 26, 2021 at 08:47:16PM +0100, Jon Hunter wrote: > On 11/05/2021 19:23, Catalin Marinas wrote: > > diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c > > index 4bea701117d4..cd9f2d51285b 100644 > > --- a/arch/arm64/kernel/cpuinfo.c > > +++ b/arch/arm64/kernel/cpuinfo.c > > @@ -359,6 +359,7 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info) > > info->reg_dczid = read_cpuid(DCZID_EL0); > > info->reg_midr = read_cpuid_id(); > > info->reg_revidr = read_cpuid(REVIDR_EL1); > > + info->reg_gmid = read_cpuid(GMID_EL1); > > > > info->reg_id_aa64dfr0 = read_cpuid(ID_AA64DFR0_EL1); > > info->reg_id_aa64dfr1 = read_cpuid(ID_AA64DFR1_EL1); > > > I am seeing the following undefined instruction crash on all our > ARM64 Tegra devices on today's -next and bisect is pointing to > this patch. Reverting this patch on top of -next does fix the > problem. Let me know if you have any thoughts. Catalin just posted a fixed version, so should be solved asap (I'll push a new branch shortly). Thanks! Will
