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From: Sergey Fedorov <serge.fdrv@gmail.com>
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Date: Thu, 7 Apr 2016 18:56:22 +0300
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Subject: Re: [Qemu-devel] [PATCH 00/11] tcg: Make direct jump patching
	thread-safe
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To: Sergey Fedorov <sergey.fedorov@linaro.org>, qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <rth@twiddle.net>, =?UTF-8?Q?Alex_Benn=c3=a9e?= <alex.bennee@linaro.org>, Peter Crosthwaite <crosthwaite.peter@gmail.com>

On 07/04/16 18:53, Sergey Fedorov wrote:
> From: Sergey Fedorov <serge.fdrv@gmail.com>
>
> When patching translated code for direct block chaining/unchaining,
> modification of concurrently executing code can happen in multi-threaded
> execution.  Currently only user-mode is affected. To make direct block patching
> safe, some care must be taken to make sure that the code modification is made
> atomic and concurrently executed code is guaranteed to be consistent.
>
> This patch series fixes all supported TCG targets using direct patching and
> documents the requirement for direct jump patching be atomic and thread-safe.
>
> The series' tree can be found in a public git repository [1].
>
> [1] https://github.com/sergefdrv/qemu/tree/atomic-tb-patching
>

Sorry, the first two patches got there by mistake...

Kind regards,
Sergey