From: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
To: peterz@infradead.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>, Borislav Petkov <bp@suse.de>,
Andy Lutomirski <luto@kernel.org>,
x86@kernel.org, Dave Hansen <dave.hansen@intel.com>,
Tony Luck <tony.luck@intel.com>,
Cathy Zhang <cathy.zhang@intel.com>,
Fenghua Yu <fenghua.yu@intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Kyung Min Park <kyung.min.park@intel.com>,
"Ravi V. Shankar" <ravi.v.shankar@intel.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
linux-kernel@vger.kernel.org,
Ricardo Neri <ricardo.neri@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-edac@vger.kernel.org
Subject: Re: [PATCH 4/4] x86/cpu: Use SERIALIZE in sync_core() when available
Date: Mon, 27 Jul 2020 17:36:31 -0700 [thread overview]
Message-ID: <20200728003631.GB23421@ranerica-svr.sc.intel.com> (raw)
In-Reply-To: <20200727082003.GD119549@hirez.programming.kicks-ass.net>
On Mon, Jul 27, 2020 at 10:20:03AM +0200, peterz@infradead.org wrote:
> On Sun, Jul 26, 2020 at 09:31:32PM -0700, Ricardo Neri wrote:
> > +static inline void serialize(void)
> > +{
> > + asm volatile(".byte 0xf, 0x1, 0xe8");
> > +}
>
> Can we pretty please have a comment with the binutils version that has
> the mnomic? Such that when we increase the required binutils version we
> can grep for this.
This is supported since binutils 2.35[1]. I'll add a comment with the
clarification.
Thanks and BR,
Ricardo
[1]. https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob_plain;f=gas/NEWS;;hb=refs/tags/binutils-2_35
next prev parent reply other threads:[~2020-07-28 0:36 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200727043132.15082-1-ricardo.neri-calderon@linux.intel.com>
2020-07-27 4:31 ` [PATCH 1/4] x86/cpufeatures: Add enumeration for SERIALIZE instruction Ricardo Neri
2020-07-27 4:31 ` [PATCH 2/4] x86/cpu: Relocate sync_core() to sync_core.h Ricardo Neri
2020-07-27 4:31 ` [PATCH 3/4] x86/cpu: Refactor sync_core() for readability Ricardo Neri
2020-07-27 4:31 ` [PATCH 4/4] x86/cpu: Use SERIALIZE in sync_core() when available Ricardo Neri
2020-07-27 5:55 ` hpa
2020-07-27 6:00 ` hpa
2020-07-27 8:36 ` peterz
2020-07-27 12:49 ` hpa
2020-07-27 13:05 ` peterz
2020-07-27 13:30 ` peterz
2020-07-28 4:41 ` Ricardo Neri
2020-07-28 8:50 ` peterz
2020-07-27 16:27 ` Luck, Tony
2020-07-27 8:20 ` peterz
2020-07-27 12:47 ` hpa
2020-07-28 0:55 ` Ricardo Neri
2020-07-28 0:36 ` Ricardo Neri [this message]
2020-07-27 8:23 ` peterz
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