linux-kernel - Re: [RFC][PATCH] x86 mpx: give bndX registers actual names

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Message-ID: <54540412.4000405@linux.intel.com>
Date:	Fri, 31 Oct 2014 14:50:10 -0700
From:	"H. Peter Anvin" <hpa@...ux.intel.com>
To:	Dave Hansen <dave@...1.net>, linux-kernel@...r.kernel.org
CC:	dave.hansen@...ux.intel.com, x86@...nel.org, qiaowei.ren@...el.com,
	fenghua.yu@...el.com
Subject: Re: [RFC][PATCH] x86 mpx: give bndX registers actual names

On 10/31/2014 02:22 PM, Dave Hansen wrote:
>  
> -struct bndregs_struct {
> -	u64 bndregs[8];
> +struct bndreg_struct {
> +	u64 lb; /* lower bound */
> +	u64 ub; /* upper bound */
>  } __packed;
>  
>  struct bndcsr_struct {
> @@ -394,7 +395,7 @@ struct xsave_struct {
>  	struct xsave_hdr_struct xsave_hdr;
>  	struct ymmh_struct ymmh;
>  	struct lwp_struct lwp;
> -	struct bndregs_struct bndregs;
> +	struct bndreg_struct bnd[4];
>  	struct bndcsr_struct bndcsr;
>  	/* new processor state extensions will go here */
>  } __attribute__ ((packed, aligned (64)));
> _
> 

How about "struct bndreg"?

	-hpa

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