Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1512252

Re: [PATCH v7 2/4] x86: Use HWCAP2 to expose Xeon Phi ring 3 MWAIT

From Thomas Gleixner <tglx@linutronix.de>
Newsgroups linux.kernel
Subject Re: [PATCH v7 2/4] x86: Use HWCAP2 to expose Xeon Phi ring 3 MWAIT
Date 2016-10-31 02:20 +0100
Message-ID <sy9qx-3UZ-5@gated-at.bofh.it> (permalink)
References <sxfRn-Aj-3@gated-at.bofh.it> <sxfRn-Aj-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Fri, 28 Oct 2016, Grzegorz Andrejczuk wrote:

The subject subsystem wants to be 'x86/elf:'

And please remove that Xeon PHI reference. See below.

> Add HWCAP2 for x86 and reserve its 1st bit to expose

s/1st bit/bit 0/ please

> +
> +/* Kernel enabled Ring 3 MWAIT for Xeon Phi*/
> +#define HWCAP2_PHIR3MWAIT		(1 << 0)

Can we please make that

/* MWAIT/MONITOR are available in ring 3 */
#define HWCAP2_RING3MWAIT		(1 << 0)

Simply because this feature might become available on other platforms and
then the PHI thing does not make any sense. We do not care on which CPU
model this works, we care about the fact that it works.

Thanks,

	tglx

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread


Thread

[PATCH v7 2/4] x86: Use HWCAP2 to expose Xeon Phi ring 3 MWAIT Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com> - 2016-10-28 16:00 +0200
  Re: [PATCH v7 2/4] x86: Use HWCAP2 to expose Xeon Phi ring 3 MWAIT Thomas Gleixner <tglx@linutronix.de> - 2016-10-31 02:20 +0100

csiph-web