[PATCH] x86/cpu: Support Hygon architecture CPU during NMI initialization.

[banmengtao <banmengtao@xxxxxxxxxx>]

From: banmengtao <jiuxie@xxxxxxxxxxx>

When I installed Xen on Ubuntu 22.04 and rebooted into the kernel, it kept 
freezing and threw an exception: "Unsupported processor. Unknown vendor 16."
This patch fixes the issue where the Hygon CPU could not be recognized when 
entering the Xen kernel.

Signed-off-by: banmengtao <jiuxie@xxxxxxxxxxx>
---
 xen/arch/x86/oprofile/nmi_int.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/xen/arch/x86/oprofile/nmi_int.c b/xen/arch/x86/oprofile/nmi_int.c
index fa3071d977..ef7c7b8f69 100644
--- a/xen/arch/x86/oprofile/nmi_int.c
+++ b/xen/arch/x86/oprofile/nmi_int.c
@@ -398,6 +398,7 @@ static int __init cf_check nmi_init(void)
 
        switch (vendor) {
                case X86_VENDOR_AMD:
+               case X86_VENDOR_HYGON:
                        /* Needs to be at least an Athlon (or hammer in 32bit 
mode) */
 
                        switch (family) {
@@ -435,6 +436,11 @@ static int __init cf_check nmi_init(void)
                                model = &op_athlon_spec;
                                cpu_type = "x86-64/family16h";
                                break;
+                       case 0x18:
+                               model = &op_athlon_spec;
+                               cpu_type = "x86-64/family18h";
+                               break;
+
                        }
                        break;
 
-- 
2.34.1