From: Borislav Petkov <bp@alien8.de>
To: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: linux-kernel@vger.kernel.org,
H Peter Anvin <h.peter.anvin@intel.com>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
David Airlie <airlied@linux.ie>,
dri-devel@lists.freedesktop.org, x86@kernel.org
Subject: Re: [PATCH 3/6] x86: Add support for the clwb instruction
Date: Tue, 11 Nov 2014 20:19:04 +0100 [thread overview]
Message-ID: <20141111191904.GA12555@pd.tnic> (raw)
In-Reply-To: <20141111191239.GC31523@pd.tnic>
On Tue, Nov 11, 2014 at 08:12:39PM +0100, Borislav Petkov wrote:
> > + ".byte 0x66; xsaveopt %P0",
>
> Huh, XSAVEOPT?!? Shouldn't that be CLWB??
Bah, the same opcodes, only 0x66 prefix makes it into CLWB. Could use a
comment I guess.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
WARNING: multiple messages have this Message-ID (diff)
From: Borislav Petkov <bp@alien8.de>
To: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org,
Thomas Gleixner <tglx@linutronix.de>,
H Peter Anvin <h.peter.anvin@intel.com>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH 3/6] x86: Add support for the clwb instruction
Date: Tue, 11 Nov 2014 20:19:04 +0100 [thread overview]
Message-ID: <20141111191904.GA12555@pd.tnic> (raw)
In-Reply-To: <20141111191239.GC31523@pd.tnic>
On Tue, Nov 11, 2014 at 08:12:39PM +0100, Borislav Petkov wrote:
> > + ".byte 0x66; xsaveopt %P0",
>
> Huh, XSAVEOPT?!? Shouldn't that be CLWB??
Bah, the same opcodes, only 0x66 prefix makes it into CLWB. Could use a
comment I guess.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
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next prev parent reply other threads:[~2014-11-11 19:19 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-11 18:43 [PATCH 0/6] add support for new persistent memory instructions Ross Zwisler
2014-11-11 18:43 ` [PATCH 1/6] x86: Add support for the pcommit instruction Ross Zwisler
2014-11-13 3:25 ` Andy Lutomirski
2014-11-14 21:07 ` Ross Zwisler
2014-11-14 21:09 ` Andy Lutomirski
2014-11-11 18:43 ` [PATCH 2/6] x86/alternative: Add alternative_io_2 Ross Zwisler
2014-11-11 18:43 ` [PATCH 3/6] x86: Add support for the clwb instruction Ross Zwisler
2014-11-11 19:12 ` Borislav Petkov
2014-11-11 19:19 ` Borislav Petkov [this message]
2014-11-11 19:19 ` Borislav Petkov
2014-11-11 19:40 ` Ross Zwisler
2014-11-11 19:46 ` Borislav Petkov
2014-11-11 19:46 ` Borislav Petkov
2014-11-11 19:54 ` Ross Zwisler
2014-11-11 19:48 ` Ross Zwisler
2014-11-11 19:54 ` Borislav Petkov
2014-11-11 19:54 ` Borislav Petkov
2014-11-12 12:39 ` Borislav Petkov
2014-11-12 12:39 ` Borislav Petkov
2014-11-12 13:38 ` Anvin, H Peter
2014-11-12 14:12 ` Borislav Petkov
2014-11-12 14:12 ` Borislav Petkov
2014-11-13 17:47 ` Ross Zwisler
2014-11-11 18:43 ` [PATCH 4/6] x86: Use clwb in clflush_cache_range Ross Zwisler
2014-11-11 18:43 ` [PATCH 5/6] x86: Use clwb in drm_clflush_page Ross Zwisler
2014-11-11 18:43 ` [PATCH 6/6] x86: Use clwb in drm_clflush_virt_range Ross Zwisler
2014-11-13 3:14 ` Andy Lutomirski
2014-11-13 11:20 ` Borislav Petkov
2014-11-13 11:20 ` Borislav Petkov
2014-11-13 16:38 ` Andy Lutomirski
2014-11-13 17:11 ` Borislav Petkov
2014-11-13 17:11 ` Borislav Petkov
2014-11-13 17:33 ` Ville Syrjälä
2014-11-13 17:47 ` Borislav Petkov
2014-11-13 17:47 ` Borislav Petkov
2014-11-13 18:14 ` Ville Syrjälä
2014-11-13 18:14 ` Ville Syrjälä
2014-11-13 18:43 ` Ville Syrjälä
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