linux-kernel - [tip:x86/cpu] x86/alternative: Init ideal

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Message-ID: <tip-c3fecca457c1aa1c1a2f81bfe68393af244a263e@git.kernel.org>
Date:   Thu, 27 Sep 2018 10:03:51 -0700
From:   tip-bot for Pu Wen <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tglx@...utronix.de, puwen@...on.cn, hpa@...or.com,
        mingo@...nel.org, linux-kernel@...r.kernel.org, bp@...e.de
Subject: [tip:x86/cpu] x86/alternative: Init ideal_nops for Hygon Dhyana

Commit-ID:  c3fecca457c1aa1c1a2f81bfe68393af244a263e
Gitweb:     https://git.kernel.org/tip/c3fecca457c1aa1c1a2f81bfe68393af244a263e
Author:     Pu Wen <puwen@...on.cn>
AuthorDate: Sun, 23 Sep 2018 17:35:01 +0800
Committer:  Borislav Petkov <bp@...e.de>
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@...on.cn>
Signed-off-by: Borislav Petkov <bp@...e.de>
Reviewed-by: Borislav Petkov <bp@...e.de>
Cc: tglx@...utronix.de
Cc: mingo@...hat.com
Cc: hpa@...or.com
Cc: x86@...nel.org
Cc: thomas.lendacky@....com
Link: https://lkml.kernel.org/r/79e76c3173716984fe5fdd4a8e2c798bf4193205.1537533369.git.puwen@hygon.cn
---
 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;