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[PATCH v1 1/5] docs/devel: document query handle lifetimes

From: Alex Bennée
Subject: [PATCH v1 1/5] docs/devel: document query handle lifetimes
Date: Fri, 7 Feb 2020 15:01:14 +0000

I forgot to document the lifetime of handles in the developer
documentation. Do so now.

Signed-off-by: Alex Bennée <address@hidden>
 docs/devel/tcg-plugins.rst | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/docs/devel/tcg-plugins.rst b/docs/devel/tcg-plugins.rst
index 718eef00f22..a05990906cc 100644
--- a/docs/devel/tcg-plugins.rst
+++ b/docs/devel/tcg-plugins.rst
@@ -51,8 +51,17 @@ about how QEMU's translation works to the plugins. While 
there are
 conceptions such as translation time and translation blocks the
 details are opaque to plugins. The plugin is able to query select
 details of instructions and system configuration only through the
-exported *qemu_plugin* functions. The types used to describe
-instructions and events are opaque to the plugins themselves.
+exported *qemu_plugin* functions.
+Query Handle Lifetime
+Each callback provides an opaque anonymous information handle which
+can usually be further queried to find out information about a
+translation, instruction or operation. The handles themselves are only
+valid during the lifetime of the callback so it is important that any
+information that is needed is extracted during the callback and saved
+by the plugin.

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