From: hpa@zytor.com
To: peterz@infradead.org,
Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
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>,
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 05:47:32 -0700 [thread overview]
Message-ID: <2A0D15F3-BAF2-47CE-AF5F-DB681793D07D@zytor.com> (raw)
In-Reply-To: <20200727082003.GD119549@hirez.programming.kicks-ass.net>
On July 27, 2020 1:20:03 AM PDT, 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.
It also needs : : : "memory" to be a barrier.
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
next prev parent reply other threads:[~2020-07-27 12:47 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-27 4:31 [PATCH 0/4] x86/cpu: Use SERIALIZE in sync_core() Ricardo Neri
2020-07-27 4:31 ` [PATCH 1/4] x86/cpufeatures: Add enumeration for SERIALIZE instruction Ricardo Neri
2020-07-27 12:46 ` [tip: x86/cpu] " tip-bot2 for Ricardo Neri
2020-07-27 4:31 ` [PATCH 2/4] x86/cpu: Relocate sync_core() to sync_core.h Ricardo Neri
2020-07-27 12:46 ` [tip: x86/cpu] " tip-bot2 for Ricardo Neri
2020-07-27 4:31 ` [PATCH 3/4] x86/cpu: Refactor sync_core() for readability Ricardo Neri
2020-07-27 12:46 ` [tip: x86/cpu] " tip-bot2 for 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 [this message]
2020-07-28 0:55 ` Ricardo Neri
2020-07-28 0:36 ` Ricardo Neri
2020-07-27 8:23 ` peterz
2020-07-27 11:07 ` [PATCH 0/4] x86/cpu: Use SERIALIZE in sync_core() Ingo Molnar
2020-07-28 0:32 ` Ricardo Neri
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