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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2006-09-29 11:01:40 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-29 18:18:24 +0200
commit5f412b24240d92212e50ebbaff2dff20c9e6f3d0 (patch)
tree4929d68d6949c887fbd3fb0594b0c1ec5a7e765d /kernel/acct.c
parent[PATCH] specialix - remove private speed decoding (diff)
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[PATCH] Fix locking for tty drivers when doing urgent characters
If you send a priority character (as is done for flow control) then the tty driver can either have its own method for "jumping the queue" or the characrer can be queued normally. In the latter case we call the write method but without the atomic_write_lock taken elsewhere. Make this consistent. Note that the send_xchar method if implemented remains outside of the lock as it can jump ahead of a current write so must not be locked out by it. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/acct.c')
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