diff mbox series

[v3,02/14] x86/cpu/mtrr: Add Hygon Dhyana support to get TOP_MEM2

Message ID 96b4704ee96795f524663fd8671a8bfef9d8baa1.1553520193.git.puwen@hygon.cn (mailing list archive)
State Superseded
Headers show
Series Add support for Hygon Dhyana Family 18h processor | expand

Commit Message

Wen Pu March 25, 2019, 1:30 p.m. UTC
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 <puwen@hygon.cn>
Acked-by: Jan Beulich <jbeulich@suse.com>
---
 xen/arch/x86/cpu/mtrr/generic.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox series

Patch

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);