linux-kernel - Re: [patch][v2] x86, ptrace: support for branch trace store(BTS)

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Date:	Tue, 20 Nov 2007 07:26:46 -0800 (PST)
From:	dean gaudet <dean@...tic.org>
To:	"Metzger, Markus T" <markus.t.metzger@...el.com>
cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, hpa@...or.com,
	tglx@...utronix.de, ak@...e.de,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	akpm@...ux-foundation.org
Subject: Re: [patch][v2] x86, ptrace: support for branch trace store(BTS)

On Tue, 20 Nov 2007, Metzger, Markus T wrote:

> +__cpuinit void ptrace_bts_init_intel(struct cpuinfo_x86 *c)
> +{
> +	switch (c->x86) {
> +	case 0x6:
> +		switch (c->x86_model) {
> +#ifdef __i386__
> +		case 0xD:
> +		case 0xE: /* Pentium M */
> +			ptrace_bts_ops = ptrace_bts_ops_pentium_m;
> +			break;
> +#endif /* _i386_ */
> +		case 0xF: /* Core2 */
> +			ptrace_bts_ops = ptrace_bts_ops_core2;
> +			break;
> +		default:
> +			/* sorry, don't know about them */
> +			break;
> +		}
> +		break;
> +	case 0xF:
> +		switch (c->x86_model) {
> +#ifdef __i386__
> +		case 0x0:
> +		case 0x1:
> +		case 0x2:
> +		case 0x3: /* Netburst */
> +			ptrace_bts_ops = ptrace_bts_ops_netburst;
> +			break;
> +#endif /* _i386_ */
> +		default:
> +			/* sorry, don't know about them */
> +			break;
> +		}
> +		break;

is this right?  i thought intel family 15 models 3 and 4 supported amd64
mode...

-dean
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