From: Peter Zijlstra <peterz@infradead.org>
To: Minchan Kim <minchan@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Nitin Gupta <ngupta@vflare.org>,
Seth Jennings <sjenning@linux.vnet.ibm.com>,
Dan Magenheimer <dan.magenheimer@oracle.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Tejun Heo <tj@kernel.org>,
David Howells <dhowells@redhat.com>,
x86@kernel.org, Nick Piggin <npiggin@gmail.com>
Subject: Re: [PATCH v2 3/3] x86: Support local_flush_tlb_kernel_range
Date: Thu, 17 May 2012 17:08:49 +0200 [thread overview]
Message-ID: <1337267329.4281.32.camel@twins> (raw)
In-Reply-To: <1337266310.4281.30.camel@twins>
On Thu, 2012-05-17 at 16:51 +0200, Peter Zijlstra wrote:
>
> Also, does it even work if the range happens to be backed by huge pages?
> IIRC we try and do the identity map with large pages wherever possible.
OK, the Intel SDM seems to suggest it will indeed invalidate ANY mapping
to that linear address, which would include 2M and 1G pages.
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next prev parent reply other threads:[~2012-05-17 15:08 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-16 2:05 [PATCH v2 1/3] zsmalloc: support zsmalloc to ARM, MIPS, SUPERH Minchan Kim
2012-05-16 2:05 ` [PATCH v2 2/3] remove dependency with x86 Minchan Kim
2012-05-16 17:11 ` Seth Jennings
2012-05-17 8:06 ` Minchan Kim
2012-05-16 2:05 ` [PATCH v2 3/3] x86: Support local_flush_tlb_kernel_range Minchan Kim
2012-05-17 8:11 ` Minchan Kim
2012-05-17 14:46 ` Greg Kroah-Hartman
2012-05-18 8:35 ` Minchan Kim
2012-05-17 14:51 ` Peter Zijlstra
2012-05-17 15:08 ` Peter Zijlstra [this message]
2012-05-19 0:13 ` Alex Shi
2012-05-18 8:36 ` Minchan Kim
2012-06-15 15:13 ` Seth Jennings
2012-06-15 16:35 ` Dan Magenheimer
2012-06-15 16:45 ` Nitin Gupta
2012-06-15 17:29 ` Dan Magenheimer
2012-06-15 19:07 ` Seth Jennings
2012-06-15 19:39 ` Dan Magenheimer
2012-06-15 19:53 ` Nitin Gupta
2012-06-15 20:13 ` Dan Magenheimer
2012-06-15 21:23 ` Nitin Gupta
2012-06-15 23:26 ` Seth Jennings
2012-06-15 16:48 ` Seth Jennings
2012-05-16 7:28 ` [PATCH v2 1/3] zsmalloc: support zsmalloc to ARM, MIPS, SUPERH Guan Xuetao
2012-05-17 0:07 ` Minchan Kim
2012-05-17 0:56 ` Guan Xuetao
2012-05-17 8:04 ` Minchan Kim
2012-05-18 1:45 ` Guan Xuetao
2012-05-18 8:38 ` Minchan Kim
2012-05-17 8:32 ` Paul Mundt
2012-05-17 9:06 ` Minchan Kim
2012-05-17 9:19 ` Paul Mundt
2012-05-17 9:08 ` Minchan Kim
2012-05-23 20:51 ` Seth Jennings
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