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vt: lock the accent table

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First step to debletcherising the vt console layer - pick a victim and fix
the locking

This is a nice simple object with its own rules so lets pick it out for
treatment. The user of the table already has a lock so we will also use the
same lock for updates.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Cox
2012-02-24 12:47:11 +00:00
committed by Greg Kroah-Hartman
parent ce1000ddca
commit 247ff8e610
3 changed files with 168 additions and 78 deletions
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3
include/linux/vt_kern.h
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@@ -167,4 +167,7 @@ extern int unregister_vt_notifier(struct notifier_block *nb);
extern void hide_boot_cursor(bool hide);
/* keyboard provided interfaces */
extern int vt_do_diacrit(unsigned int cmd, void __user *up, int eperm);
#endif /* _VT_KERN_H */