From: Shuah Khan <shuah.khan@hp.com>
To: Jacob Shin <jacob.shin@amd.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org, x86@kernel.org,
Yinghai Lu <yinghai@kernel.org>,
shuahkhan@gmail.com
Subject: Re: [PATCH 1/1] x86, e820: Remove direct mapping of reserved space for HT hole around 1TB
Date: Tue, 16 Oct 2012 10:47:30 -0600 [thread overview]
Message-ID: <1350406050.2785.18.camel@lorien2> (raw)
In-Reply-To: <1318370975-10817-1-git-send-email-jacob.shin@amd.com>
Jacob,
On Tue, 2011-10-11 at 17:09 -0500, Jacob Shin wrote:
> The entire HT hole and also the unused address range before that hole
> need to be excluded from direct mapping. Otherwise speculative
> accesses to that reserved region can happen which cause machine
> checks.
Has the HT support even been added? I have a system with HT memory
histing feature and I am unable to boot with 1TB. Has this work been
redone as discussed in this thread?
-- Shuah
next prev parent reply other threads:[~2012-10-16 16:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-11 22:09 [PATCH 1/1] x86, e820: Remove direct mapping of reserved space for HT hole around 1TB Jacob Shin
2011-10-11 23:44 ` H. Peter Anvin
2011-10-13 9:57 ` Andreas Herrmann
2011-10-13 15:52 ` H. Peter Anvin
2011-10-13 11:04 ` Andreas Herrmann
2011-10-14 5:45 ` Yinghai Lu
2012-10-16 16:47 ` Shuah Khan [this message]
[not found] <6ec48b96-afab-4c8b-ab74-2c640c2a161b@blur>
[not found] ` <8630fe28-0c1c-4f3a-90e1-df2d1b6615a6@blur>
2012-10-16 17:48 ` Shuah Khan
2012-10-16 18:26 ` Jacob Shin
2012-10-16 19:02 ` H. Peter Anvin
2012-10-17 15:30 ` Shuah Khan
2012-10-17 18:25 ` H. Peter Anvin
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