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Message-ID: <20200304171336.GD21662@linux.intel.com>
Date: Wed, 4 Mar 2020 09:13:36 -0800
From: Sean Christopherson <sean.j.christopherson@...el.com>
To: Tony W Wang-oc <TonyWWang-oc@...oxin.com>
Cc: tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
x86@...nel.org, linux-kernel@...r.kernel.org,
DavidWang@...oxin.com, CooperYan@...oxin.com,
QiyuanWang@...oxin.com, HerryYang@...oxin.com
Subject: Re: [PATCH] x86/Kconfig: Make X86_UMIP to cover Zhaoxin CPUs too
On Wed, Mar 04, 2020 at 10:18:05AM +0800, Tony W Wang-oc wrote:
> New Zhaoxin family 7 CPUs support the UMIP (User-Mode Instruction
> Prevention) feature. So, modify X86_UMIP depends on Zhaoxin CPUs too.
>
> Signed-off-by: Tony W Wang-oc <TonyWWang-oc@...oxin.com>
> ---
> arch/x86/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 16a4b39..ca4beb8 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1877,7 +1877,7 @@ config X86_SMAP
>
> config X86_UMIP
> def_bool y
> - depends on CPU_SUP_INTEL || CPU_SUP_AMD
> + depends on CPU_SUP_INTEL || CPU_SUP_AMD || CPU_SUP_CENTAUR || CPU_SUP_ZHAOXIN
The changelog only mentions Zhaoxin, but this also adds Centaur...
> prompt "User Mode Instruction Prevention" if EXPERT
> ---help---
> User Mode Instruction Prevention (UMIP) is a security feature in
> --
> 2.7.4
>
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