From: Dave Hansen <dave.hansen@intel.com>
To: Jon Kohler <jon@nutanix.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>, Tony Luck <tony.luck@intel.com>,
Andi Kleen <ak@linux.intel.com>,
Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Borislav Petkov <bp@suse.de>,
Neelima Krishnan <neelima.krishnan@intel.com>,
"kvm @ vger . kernel . org" <kvm@vger.kernel.org>
Subject: Re: [PATCH] x86/tsx: fix KVM guest live migration for tsx=on
Date: Mon, 11 Apr 2022 16:45:23 -0700 [thread overview]
Message-ID: <e800ba74-0ff6-8d98-8978-62c02cf1f8ea@intel.com> (raw)
In-Reply-To: <AE4621FC-0947-4CEF-A1B3-87D4E00C786D@nutanix.com>
On 4/11/22 12:35, Jon Kohler wrote:
> Also, while I’ve got you, I’d also like to send out a patch to simply
> force abort all transactions even when tsx=on, and just be done with
> TSX. Now that we’ve had the patch that introduced this functionality
> I’m patching for roughly a year, combined with the microcode going
> out, it seems like TSX’s numbered days have come to an end.
Could you elaborate a little more here? Why would we ever want to force
abort transactions that don't need to be aborted for some reason?
next prev parent reply other threads:[~2022-04-11 23:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-11 18:01 [PATCH] x86/tsx: fix KVM guest live migration for tsx=on Jon Kohler
2022-04-11 19:26 ` Dave Hansen
2022-04-11 19:35 ` Jon Kohler
2022-04-11 23:45 ` Dave Hansen [this message]
2022-04-12 13:36 ` Jon Kohler
2022-04-12 15:54 ` Dave Hansen
2022-04-12 16:08 ` Jon Kohler
2022-04-12 18:04 ` Pawan Gupta
2022-04-12 18:12 ` Jon Kohler
2022-04-12 20:40 ` Pawan Gupta
2022-04-13 12:43 ` Jon Kohler
2022-04-11 20:07 ` [PATCH v2] " Jon Kohler
2022-04-12 19:55 ` Pawan Gupta
2022-04-12 20:54 ` Pawan Gupta
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