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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@hygon.cn>
AuthorDate: Sun, 23 Sep 2018 17:35:01 +0800
Committer: Borislav Petkov <bp@suse.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@hygon.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: tglx@linutronix.de
Cc: mingo@redhat.com
Cc: hpa@zytor.com
Cc: x86@kernel.org
Cc: thomas.lendacky@amd.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;
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