[tip:x86/cpu] x86/alternative: Init ideal_nops for Hygon Dhyana

From: tip-bot for Pu Wen
Date: Thu Sep 27 2018 - 13:04:01 EST


Commit-ID: c3fecca457c1aa1c1a2f81bfe68393af244a263e
Gitweb: https://git.kernel.org/tip/c3fecca457c1aa1c1a2f81bfe68393af244a263e
Author: Pu Wen <puwen@xxxxxxxx>
AuthorDate: Sun, 23 Sep 2018 17:35:01 +0800
Committer: Borislav Petkov <bp@xxxxxxx>
CommitDate: Thu, 27 Sep 2018 18:28:58 +0200

x86/alternative: Init ideal_nops for Hygon Dhyana

The ideal_nops for Hygon Dhyana CPU should be p6_nops.

Signed-off-by: Pu Wen <puwen@xxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Reviewed-by: Borislav Petkov <bp@xxxxxxx>
Cc: tglx@xxxxxxxxxxxxx
Cc: mingo@xxxxxxxxxx
Cc: hpa@xxxxxxxxx
Cc: x86@xxxxxxxxxx
Cc: thomas.lendacky@xxxxxxx
Link: https://lkml.kernel.org/r/79e76c3173716984fe5fdd4a8e2c798bf4193205.1537533369.git.puwen@xxxxxxxx
---
arch/x86/kernel/alternative.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index b9d5e7c9ef43..184e9a06b0ff 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -222,6 +222,10 @@ void __init arch_init_ideal_nops(void)
}
break;

+ case X86_VENDOR_HYGON:
+ ideal_nops = p6_nops;
+ return;
+
case X86_VENDOR_AMD:
if (boot_cpu_data.x86 > 0xf) {
ideal_nops = p6_nops;