linux-kernel - [PATCH 0/7] genksyms: Track changes to enum constant

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Message-Id: <1299997825-18977-1-git-send-email-mmarek@suse.cz>
Date:	Sun, 13 Mar 2011 07:30:18 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	linux-kbuild@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 0/7] genksyms: Track changes to enum constant

This series makes genksyms remember the values of enum constants and use them
during symbol expansion. This makes sure that patches like

| enum e {
|  	E1,
| 	E2,
|+	E3,
| 	E_MAX
| };
|
| struct s {
| 	int a[E_MAX];
| }
|
| int f(struct s *s) { ... }
| EXPORT_SYMBOL(f)

change the checksum of the exported symbol. Previously, it would just use the
string "E_MAX" in the calculation and the change would go unnoticed. The main
part is in patches 6/7 and 7/7, the rest are cleanups and preparatory patches.

Michal
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