On Fri, Jul 31, 2020 at 8:51 PM Randy Dunlap rdunlap@infradead.org wrote:
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.
Sorry, yes, you gave that feedback before. I can do a quick respin with this and the kbuild-robot compile fixups.