Re: [PATCH v3 02/23] x86/numa: Add 'nohmat' option

On 7/31/20 8:25 PM, Dan Williams wrote: > Disable parsing of the HMAT for debug, to workaround broken platform > instances, or cases where it is otherwise not wanted. > > --- > arch/x86/mm/numa.c | 2 ++ > drivers/acpi/numa/hmat.c | 8 +++++++- > include/acpi/acpi_numa.h | 8 ++++++++ > 3 files changed, 17 insertions(+), 1 deletion(-) > > diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c > index 87c52822cc44..f3805bbaa784 100644 > --- a/arch/x86/mm/numa.c > +++ b/arch/x86/mm/numa.c > @@ -41,6 +41,8 @@ static __init int numa_setup(char *opt) > return numa_emu_cmdline(opt + 5); > if (!strncmp(opt, "noacpi", 6)) > disable_srat(); > + if (!strncmp(opt, "nohmat", 6)) > + disable_hmat(); Hopefully that will be documented in Documentation/x86/x86_64/boot-options.rst.