All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Mallick, Asit K" <asit.k.mallick@intel.com>
To: linux-ia64@vger.kernel.org
Subject: RE: [Linux-ia64] Patch to set the OSFXSR bit of CR4
Date: Tue, 31 Jul 2001 23:02:30 +0000	[thread overview]
Message-ID: <marc-linux-ia64-105590693005976@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590693005975@msgid-missing>

It is already enabled in 2.4.7 kernel.

Thanks,
Asit


> -----Original Message-----
> From: Robboy, David G [mailto:david.g.robboy@intel.com]
> Sent: Tuesday, July 31, 2001 3:58 PM
> To: 'linux-ia64@linuxia64.org'
> Subject: [Linux-ia64] Patch to set the OSFXSR bit of CR4
> 
> 
> Linux should enable the ia32 "streaming SIMD" instructions (the PIII
> extensions of MMX).  These instructions work on the Itanium 
> processor under
> seamless. Currently Linux disables them by clearing the 
> OSFXSR bit of CR4.
> 
> Here's the patch for linux R2.4.5.
> 
>   - David Robboy
> 
> include/asm-ia64/ia32.h
> 373c373
> < #define IA32_CR4       0             /* No architectural 
> extensions */
> ---
> > #define IA32_CR4       (1 << 9)          /* Set OSFXSR to 
> enable streaming
> SIMD */
> 
> 
> _______________________________________________
> Linux-IA64 mailing list
> Linux-IA64@linuxia64.org
> http://lists.linuxia64.org/lists/listinfo/linux-ia64
> 


      reply	other threads:[~2001-07-31 23:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-07-31 22:57 [Linux-ia64] Patch to set the OSFXSR bit of CR4 Robboy, David G
2001-07-31 23:02 ` Mallick, Asit K [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=marc-linux-ia64-105590693005976@msgid-missing \
    --to=asit.k.mallick@intel.com \
    --cc=linux-ia64@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.