From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 25 May 2010 23:48:30 +0000 (-0700)
Subject: Revert "module: drop the lock while waiting for module to complete initialization."
X-Git-Tag: v2.6.35-rc1~263
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=218ce7351413b8287a80fab1d7b94906a5559f01;p=pandora-kernel.git

Revert "module: drop the lock while waiting for module to complete initialization."

This reverts commit 480b02df3aa9f07d1c7df0cd8be7a5ca73893455, since
Rafael reports that it causes occasional kernel paging request faults in
load_module().

Dropping the module lock and re-taking it deep in the call-chain is
definitely not the right thing to do.  That just turns the mutex from a
lock into a "random non-locking data structure" that doesn't actually
protect what it's supposed to protect.

Requested-and-tested-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Brandon Philips <brandon@ifup.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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