The Hygon Dhyana CPU supports the MSR way to get TOP_MEM2. So add Hygon
Dhyana support to print the value of TOP_MEM2.
Signed-off-by: Pu Wen <pu...@hygon.cn>
Acked-by: Jan Beulich <jbeul...@suse.com>
---
xen/arch/x86/cpu/mtrr/generic.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/xen/arch/x86/cpu/mtrr/generic.c b/xen/arch/x86/cpu/mtrr/generic.c
index 8f9cf1b..94ee7d6 100644
--- a/xen/arch/x86/cpu/mtrr/generic.c
+++ b/xen/arch/x86/cpu/mtrr/generic.c
@@ -217,8 +217,9 @@ static void __init print_mtrr_state(const char *level)
printk("%s %u disabled\n", level, i);
}
- if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD
- && boot_cpu_data.x86 >= 0xf) {
+ if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
+ boot_cpu_data.x86 >= 0xf) ||
+ boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) {
uint64_t syscfg, tom2;
rdmsrl(MSR_K8_SYSCFG, syscfg);
--
2.7.4
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