On Mon, Jan 15, 2024 at 02:20:20PM +0800, Zhao Liu wrote: > On Mon, Jan 15, 2024 at 01:20:22PM +0800, Yuan Yao wrote: > > Date: Mon, 15 Jan 2024 13:20:22 +0800 > > From: Yuan Yao <yuan.yao@xxxxxxxxxxxxxxx> > > Subject: Re: [PATCH v7 08/16] i386: Expose module level in CPUID[0x1F] > > > > Ah, so my understanding is incorrect on this. > > > > I tried on one raptor lake i5-i335U, which also hybrid soc but doesn't have > > module level, in this case 0x1f and 0xb have same values in core/lp level. > > Some socs have modules/dies but they don't expose them in 0x1f. Here they don't expose because from hardware level they can't or possible software level configuration (i.e. disable some cores in bios) ? > > If the soc only expose thread/core levels in 0x1f, then its 0x1f is same > as 0x0b. Otherwise, it will have more subleaves and different > values. > > Thanks, > Zhao >
