From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: Brian Gerst <brgerst@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
X86 Kernel <x86@kernel.org>,
Arjan van de Ven <arjan@linux.intel.com>,
Len Brown <lenb@kernel.org>,
jacob.jun.pan@linux.intel.com
Subject: Re: [PATCH v2] x86: add workaround monitor bug
Date: Mon, 18 Jul 2016 12:11:45 -0700 [thread overview]
Message-ID: <20160718121145.493ecb2e@jacob-builder> (raw)
In-Reply-To: <CAMzpN2h98SVcxnrT1z1m+ex+KM3wyYddE3MMpJB9bfdWDf+M=A@mail.gmail.com>
On Mon, 18 Jul 2016 14:49:56 -0400
Brian Gerst <brgerst@gmail.com> wrote:
> It would be simpler to just force clear X86_FEATURE_MWAIT.
Then we cannot use intel_idle driver. In addition, ACPI idle driver
needs BIOS support which may or may not be there for all platforms.
Thanks,
Jacob
next prev parent reply other threads:[~2016-07-18 19:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-18 18:41 [PATCH v2] x86: add workaround monitor bug Jacob Pan
2016-07-18 18:49 ` Brian Gerst
2016-07-18 19:11 ` Jacob Pan [this message]
2016-07-20 10:40 ` [tip:x86/cpu] x86/cpu: Add workaround for MONITOR instruction erratum on Goldmont based CPUs tip-bot for Peter Zijlstra
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