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On 3/1/19 4:47 PM, speck for Thomas Gleixner wrote:
>  	if (static_branch_unlikely(&vmx_l1d_should_flush))
>  		vmx_l1d_flush(vcpu);
> +	else if (static_branch_unlikely(&mds_user_clear))
> +		mds_clear_cpu_buffers();

Does this cover the case where we have older ucode installed that does
L1D flush but NOT the MD_CLEAR? I'm about to go check to see if there's
logic handling this but wanted to call it out.

Jon.

-- 
Computer Architect | Sent with my Fedora powered laptop

From: Jon Masters <[email protected]>
To: speck for Thomas Gleixner <[email protected]>
Subject: Re: [patch V6 08/14] MDS basics 8