From: Ingo Molnar <mingo@kernel.org>
To: akpm@linux-foundation.org
Cc: mm-commits@vger.kernel.org, alex.shi@intel.com, cpw@sgi.com,
hpa@zytor.com, jbeulich@suse.com, mingo@elte.hu,
tglx@linutronix.de, linux-kernel@vger.kernel.org
Subject: Re: + uv-fix-incorrect-tlb-flush-all-issue.patch added to -mm tree
Date: Thu, 27 Sep 2012 08:44:56 +0200 [thread overview]
Message-ID: <20120927064456.GC5996@gmail.com> (raw)
In-Reply-To: <20120926223058.F0844100047@wpzn3.hot.corp.google.com>
* akpm@linux-foundation.org <akpm@linux-foundation.org> wrote:
> The flush tlb optimization code has logical issue on UV
> platform. It doesn't flush the full range at all, since it
> simply ignores its 'end' parameter (and hence also the "all"
> indicator) in uv_flush_tlb_others() function.
In other words it's a user-space data corruptor showstopper bug
fix for the UV platform, which should get high tip:x86/urgent
priority, right?
It's generally useful to put such info right into the patch
title. 'fix issue' sounds a tad too harmless.
Thanks,
Ingo
prev parent reply other threads:[~2012-09-27 6:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-26 22:30 + uv-fix-incorrect-tlb-flush-all-issue.patch added to -mm tree akpm
2012-09-27 6:44 ` Ingo Molnar [this message]
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