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Subject: Re: [patch 24/60] x86/paravirt: Dont patch flush_tlb_single
References: <20171204140706.296109558@linutronix.de>
 <20171204150606.828111617@linutronix.de>
From: Juergen Gross <jgross@suse.com>
Message-ID: <7baec44d-bcb9-37f8-f793-b632dd8776d5@suse.com>
Date: Tue, 5 Dec 2017 13:18:15 +0100
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To: Thomas Gleixner <tglx@linutronix.de>, LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, Linus Torvalds <torvalds@linux-foundation.org>, Andy Lutomirsky <luto@kernel.org>, Peter Zijlstra <peterz@infradead.org>, Dave Hansen <dave.hansen@intel.com>, Borislav Petkov <bpetkov@suse.de>, Greg KH <gregkh@linuxfoundation.org>, keescook@google.com, hughd@google.com, Brian Gerst <brgerst@gmail.com>, Josh Poimboeuf <jpoimboe@redhat.com>, Denys Vlasenko <dvlasenk@redhat.com>, Rik van Riel <riel@redhat.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, David Laight <David.Laight@aculab.com>, Eduardo Valentin <eduval@amazon.com>, aliguori@amazon.com, Will Deacon <will.deacon@arm.com>, daniel.gruss@iaik.tugraz.at, Dave Hansen <dave.hansen@linux.intel.com>, michael.schwarz@iaik.tugraz.at, linux-mm@kvack.org, Borislav Petkov <bp@alien8.de>, moritz.lipp@iaik.tugraz.at, richard.fellner@student.tugraz.at

On 04/12/17 15:07, Thomas Gleixner wrote:
> From: Thomas Gleixner <tglx@linutronix.de>
> 
> native_flush_tlb_single() will be changed with the upcoming
> KERNEL_PAGE_TABLE_ISOLATION feature. This requires to have more code in
> there than INVLPG.
> 
> Remove the paravirt patching for it.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Acked-by: Peter Zijlstra <peterz@infradead.org>
> Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>

Reviewed-by: Juergen Gross <jgross@suse.com>


Juergen

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