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

From: dean gaudet
Date: Tue Nov 20 2007 - 10:26:56 EST


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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